This 3.8x zoom lens gives you consistently outstanding optical performance all the way. Optical SteadyShot™ image stabilization is a huge advantage when shooting in low light or capturing video. An ideal complement to the 18-55mm zoom range of the SEL1855, this 3.8x zoom lens takes you from 55mm out to 210mm with consistently outstanding optical performance all the way. Built-in Optical SteadyShot (OSS) image stabilization is a huge advantage when shooting at longer focal lengths or in low light, making it easy to capture crisp, stable images at up to four shutter speeds lower than would normally be possible. Wide Zoom Range The SEL55210 provides a wide focal range of up to 315mm (35mm equivalent) ideal for sports or nature shooting. ED glass elements Two ED (Extra-low Dispersion) glass elements helps suppress chromatic aberration and color bleeding at all focal lengths providing excellent image quality throughout the zoom range. Quiet Internal Focusing Internal focusing makes smooth, responsive AF possible with minimum noise. Perfect for video capture.

Sony FE 135mm f/1.8 GM Lens

Prized for its ability to isolate focus, the FE 135mm f/1.8 GM from Sony is a medium telephoto prime characterized by a bright and sophisticated design. Perfect for portraiture, this lens also excels in close-range sports shooting and as a unique focal length for landscape subjects. Its G Master design prioritizes both sharpness and bokeh quality and the lens also sports fast autofocus capabilities and a durable build quality.

Fast Design and Advanced Optics
As part of Sony's esteemed G Master series, this lens is designed to achieve notably high resolution and sharpness through the correction of a wide variety of spherical and chromatic aberrations.
Bright f/1.8 maximum aperture benefits working in difficult lighting conditions and also offers a wealth of control over focus position when using shallow depth of field techniques.
Rounded 11-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.
- One XA element is incorporated into the optical design, which features superior surface precision for effective control over astigmatism, field curvature, coma, and other spherical aberrations.
- Two extra-low dispersion elements, including one Super ED element, are featured in the lens design and help to reduce chromatic aberrations and color fringing for improved clarity and color neutrality.
- A Nano AR Coating has been applied to reduce surface reflections, flare, and ghosting for increased contrast and color rendering in strong lighting conditions.

Fast and Accurate AF
XD Linear Motor system and internal focus mechanism provides quick, quiet, and precise autofocus performance and also contributes to more natural, intuitive manual focus control.
Minimum focusing distance of just 2.3' renders a 0.25x maximum magnification for working with close-up subjects.
Two customizable focus hold buttons are present on the lens barrel for intuitive tactile control and rapid access to select settings.

Weather-Sealed Construction and Intuitive Handling
Physical aperture ring can be de-clicked for smooth, silent aperture switching to benefit video applications.
Dust- and moisture-sealed design better permits working in inclement conditions and rubberized control rings benefit handling in colder temperatures.
Fluorine-coated front element resists dust, moisture, and fingerprints and is easy to clean.

Welcome to the versatility of a fast 24–70mm zoom lens in an exceptionally compact package. With advanced optics and extensive weather sealing, this full-frame mirrorless lens is a true performer in any light–and pure workhorse.

- ZEISS T coating delivers superior contrast and resolution - 5 Aspherical lenses for low distortion and corner sharpness - Large Advanced Aspherical element for wide-angle performance - 3 Extra Low Dispersion elements reduce chromatic aberration - Constant F4 max aperture maintains exposure / depth of field

KENKO TELEPLUS HD DGX 1.4X
KENKO TELEPLUS HD DGX 1.4x is a Tele converter designed to make images more impressive by turning your master lens into a Tele lens and capturing the object more close.

By installing it between the lens and the camera body, KENKO TELEPLUS HD DGX 1.4x increases the effective focal length of your lens by 1.4x.

Precisely made in Japan and compatible with a wide range of genuine cameras and lenses, it is particularly helpful for those professional photographers as well as amateurs who may need a Tele lens but feel no reason to purchase a new expensive one due to low frequency of use. An optional accessory to bring your photos on a new level of creativity in the most convenient way.

KENKO TELEPLUS HD DGX 1.4X
KENKO TELEPLUS HD DGX 1.4x is a Tele converter designed to make images more impressive by turning your master lens into a Tele lens and capturing the object more close.

By installing it between the lens and the camera body, KENKO TELEPLUS HD DGX 1.4x increases the effective focal length of your lens by 1.4x.

Precisely made in Japan and compatible with a wide range of genuine cameras and lenses, it is particularly helpful for those professional photographers as well as amateurs who may need a Tele lens but feel no reason to purchase a new expensive one due to low frequency of use. An optional accessory to bring your photos on a new level of creativity in the most convenient way.

Sony FE 24-70mm f/2.8 GM II Lens

Small Size, Huge Versatility
A refined take on the fast standard zoom, the Sony FE 24-70mm f/2.8 GM II is not only smaller and lighter than the previous generation, it also features a variety of optical, focusing, and handling upgrades, catering to both photo and video applications, that make this the most well-rounded G Master zoom to date.

G Master Image Quality
Designed to rival the primes, this zoom's optics have been revamped to provide even greater resolution, clarity, and bokeh quality.
- Bright f/2.8 constant aperture allows users to capture images in dim lighting conditions and with a shallow depth of field.
- Two ED (extra-low dispersion) and two Super ED elements effectively suppress chromatic aberrations and color fringing for greater clarity and color fidelity.
- Five aspherical elements, including two extreme aspherical elements (XA), minimize spherical aberrations, distortion, and also reduce 'onion ring' bokeh.
- Nano AR Coating II controls flare and ghosting with support from a new optical design that reduces internal reflections.
- An 11-blade aperture diaphragm helps create smooth, circular bokeh at all aperture settings.

Faster AF and Floating Focus Mechanism
Faster focusing performance, improved close-up shooting, and enhanced control are all benefits of the redesigned focusing system.
- Four XD (extreme dynamic) Linear Motors contribute to greatly improved focusing performance, compared to the DDSSM system of the predecessor, including faster, quieter, and more precise AF that's ideal for both photo and stills.
- Faster AF means improved focusing when working with fast-moving subjects; support is available for shooting at up to 30 fps, full AF is maintained even when shooting stopped down, and focus tracking is possible even when changing the zoom position.
- Floating focusing mechanism helps maintain image quality throughout the focusing range, which is especially important considering the impressive close-up performance of this lens: minimum focusing distance of 8.3" at the 24mm position or 11.8" at the 70mm position and a maximum magnification of 0.32x at the 70mm position.
- Internal focusing design promotes snappier, more responsive focusing performance and also maintains the overall lens length during operation.

Improved Control and Video Capabilities
Just as camera design has grown to appeal to both photo and video shooters, this lens has also been updated with a series and attributes that specifically appeal to video shooters' needs.
- Focus breathing, focus shift, and axial shift during zooming have all been minimized to prevent unwanted movements and angle of view variations for greater compositional accuracy during recording.
- Supports the Breathing Compensation function in select cine-line and Alpha cameras.
- The XD Linear Motors are also especially quiet to better enable the use of AF during video recording.
- Linear Response MF provides natural, intuitive manual focus control.
- Manual aperture ring can be de-clicked for silent operation and the zoom smoothness can be adjusted depending on the desired torque.

Compact, Lightweight, and Robust Design
Among the smallest and lightest f/2.8 standard zooms available, this lens doesn't lose sight of its professional attributes and also remains a weather-sealed, durable lens for use in trying working conditions.
- Approximately 22% lighter and 18% smaller than its predecessor, this zoom is a highly portable and versatile option for a huge variety of shooting applications.
- Now fit with a manual aperture ring, tactile exposure control is possible. This ring can be de-clicked for smooth and silent iris pulls or it can be locked in the 'A' position for camera-based aperture switching.
- Two programmable focus hold buttons and a focus mode switch for intuitive focus control.
- Zoom smoothness switch for changing between Smooth and Tight zoom ring torque.
- Hybrid construction uses both metal and plastic components to maximize both durability and a low weight design.
- Dust- and moisture-resistant design includes rubber gaskets at each seam and a rubber ring sealing the lens mount for ensured use when working in inclement weather conditions.
- Front lens element has a fluorine coating that repels water, oil, and other contaminants and makes the lens easier to clean.
- Included lens hood features a locking button and a filter window for easier adjustment of rotating filters (e.g. polarizers, variable NDs).

From classic head-and shoulder shots to environmental portraits, this mirrorless 85 mm full-frame lens will portray your subjects with heart-stopping clarity. Its advanced optical performance opens up new possibilities for detail and nuance, outshining even the f/1.4 primes that have preceded it.

Sony FE 24-105mm f/4 G OSS Lens

The Sony FE 24-105mm f/4 G OSS is a compact, lightweight comprehensive full frame E-mount zoom. The lens provides a wide focal range from a wide 24mm, to a telephoto 105mm, as well a constant maximum aperture of f/4 throughout its zoom range

The Sony FE 24-105mm f/4 G OSS lens features a compact, lightweight design for portability and mobility; as well as fast, precise AF and high reliability add to the broad utility of this fine zoom lens.

- E-Mount Lens/Full-Frame Format
- Aperture Range: f/4 to f/22
- 4 Aspherical Elements, 3 ED Elements
- Nano AR and Fluorine Coatings
- Direct Drive Super Sonic Wave AF Motor
- Optical SteadyShot Image Stabilization
- Internal Focus Design
- Focus Hold Button; AF/MF Switch
- Dust and Moisture-Resistant Construction
- Rounded Nine-Blade Diaphragm

Ultra Wide for Dynamic Spatial Expression
This compact 12-24mm ultra wide-angle zoom lens features the shortest focal lengths available in any full-frame E-mount lens, with stunning corner-to-corner G Lens resolution at all apertures. It is an excellent choice for dynamic landscape and architecture photography. Outstanding mobility and quiet, fast, precise autofocus make it ideal for shooting movies as well as stills.

High resolution at ultra wide angles
Refined ultra wide-angle optics capture expansive scenes with outstanding resolution and clarity.

Compact, lightweight, and mobile
A new design significantly reduces overall length and front element size while maintaining the highest possible optical performance. And it weighs a mere 565 grams (20 oz.).

Fast, quiet AF for stills and movies
This lens features an advanced inner-focus mechanism driven by Sony’ s Direct Drive SSM (DDSSM) system for fast, accurate AF lock-on as well as smooth, quiet operation.

Fingertip control and high reliability
A customisable focus hold button provides extra control versatility, while dust and moisture resistant1 design means reliable operation even in challenging conditions.

Explore the world in wide-angle detail G Master performance in a wide-angle F2.8 16-35mm zoom offers a wealth of opportunities to capture subjects in creative new ways. No matter what zoom setting or focus distance you shoot at, this lens delivers consistently superb resolution from corner-to-corner, with stunning background bokeh when required. A compact, lightweight design makes it manageable for active shooting. High corner-to-corner resolution Uncompromised optical design achieves extremely high corner-to-corner resolution and contrast for landscape, architecture, and other expansive subjects. Gorgeous background bokeh Shoot close at F2.8 to capture sharp subjects with dynamic, painterly backgrounds consisting of delightfully smooth bokeh. A perfect balance of resolution and bokeh An advanced optical design that includes two Sony XA (extreme aspherical) elements achieves outstanding resolution, low distortion, and smooth, beautiful bokeh. Light and compact for high mobility Class-leading size and weight reductions make this 680-gram lens an ideal match for compact E-mount bodies, providing an eminently portable, easily manageable system.

- Precision G-series optical design for HD and 4K moviemaking - Minimized angle of view variation (breathing) while focusing - No focus shifting (axial displacement) while zooming - 3x manual rings for superior control: zoom, focus, iris - Constant F4 max aperture maintains exposure / depth of field - Precision G-series optical design for HD and 4K moviemaking - No “Breathing” - No focus shifting or axial displacement while zooming - Independent Zoom, Focus and Iris rings for superior control - Constant F4 Circular Aperture - Super Sonic wave motor drive for zoom with internal zoom structure - Quiet Iris and auto focus - Dust and moisture resistant design for maximum1 - Lens-based Optical SteadyShot® image stabilization - Internal focusing - Nano AR Coating - ED (Extra-low Dispersion) glass / Super ED glass - Aspherical lens elements

Sony FE 24-70mm f/4 Vario-Tessar T  ZA OSS Lens

The Sony FE 24-70mm F4 ZA OSS lens is a full frame standard lens thats designed for E-mount bodies. The FE 24-70mm lens features an amazing built in Optical Steady Shot image stabilization that compensates for camera shake, produces superior quality at all focal lengths and also provides a versatile zoom range in a compact lens which brings out the very best in 7 series bodies. It also features a constant F4 maximum aperture throughout the zoom range.

- E-Mount Lens/Full-Frame Format
- Aperture Range: f/4 to f/22
- One AA Element; Four Aspherical Elements
- Three Extra-Low Dispersion Elements
- Zeiss T* Anti-Reflective Coating
- Linear Autofocus Motor; Internal Focus
- Optical SteadyShot Image Stabilization
- Dust and Moisture-Resistant Construction
- Seven-Blade Circular Diaphragm

Ultralight, versatile wide-angle power zoom Sony’s vast expertise brings you world’s lightest 1 full-frame F4 wide-angle power-zoom lens, giving today’s content creators refined imagery, expression, and control. A new power zoom system in a compact lens is suitable for small crews or solo shooting. It is ideal for stills too, with beautiful G lensTM rendering and astonishing AF performance. Evolved image quality This compact, lightweight, full-frame constant-F4 wide-angle power zoom lens delivers superb G Lens image quality. It includes two AA (advanced aspherical) elements, a Super ED (Extra-low Dispersion) element, and an ED element to effectively suppress distortion and aberration. A circular aperture and controlled spherical aberration enhance bokeh quality, while 0.24 meter minimum focus enables stunning close ups. Designed for polished movie imagery In addition to smooth, versatile power zoom, this remarkably compact lens minimises jarring angle of view shifts that can occur when focusing or zooming so that stable, high quality movie footage can be easily captured. Focus, zoom, and aperture operation are also extremely quiet, greatly reducing noise and vibration that can interfere with movie recording. Smooth power zoom with snappy response A new power zoom system driven by four XD Linear Motors for the first time in an α lens provides smooth control with the immediacy of manual zoom. Even subtle zoom ring rotation is precisely detected and instantaneously converted to zoom operation. A continuously variable zoom lever makes it easy to execute super-slow constant-speed zooms, and zoom can be remotely controlled while the camera is mounted on a gimbal. XD Linear Motors deliver stunning AF Two XD (extreme dynamic) Linear Motors deliver quick, quiet, low-vibration autofocus while maintaining compact lens dimensions. Tenacious, reliable AF can smoothly track subjects when shooting high frame rate movies. With a compatible body3 it is possible to maintain accurate focus while shooting stills continuously at up to 30 frames per second. Subjects are smoothly tracked even while zooming. Three-ring control: zoom, focus, and aperture Independent zoom, focus, and aperture rings on this compact lens offer flexible, intuitive creative control. Responsive zoom control is indispensable for movies, and Linear Response MF ensures that the focus ring responds directly to subtle control when focusing manually. The aperture ring has an aperture click switch that allows the click stops to be turned off when smooth, seamless aperture adjustment is required. Feature-packed yet incredibly lightweight Although this compact wide-angle zoom lens weighs just 353 g (12.5 oz), it does not compromise functionality or performance in any way. Its length remains constant while focusing and zooming for optimal balance and handling, which also makes it ideal for gimbal-mounted movie shooting. Impressive portability and a dust/moisture resistant design4 make it a great choice for just about any subject or situation.

Ultra-wide F2.8 12-24mm zoom At the 12mm end of its range, this 12-24mm constant F2.8 zoom lens offers an ultra-wide angle of view. An innovative optical design works with Sony’s advanced XD Linear Motors to deliver outstanding G Master image quality in a lightweight lens that also features fast, precise autofocus, smooth control, and solid reliability. Bright F2.8 maximum aperture from 12mm to 24mm The ultra-wide 12mm angle of view available with this versatile lens makes it possible to emphasise distance and create dynamic perspectives that are beyond the scope of the human eye. Expand your artistic palette with deep, engaging visual imagery. Innovative optics with the largest XA element in any α lens Three XA (extreme aspherical) elements, including the largest ever made, combine with one aspherical element in an innovative optical design that achieves stunning G Master resolution throughout the image area. Two Super ED (Extra-low Dispersion) and three ED glass elements suppress chromatic aberration, and a new Nano AR Coating II minimises flare and ghosting for clear, crisp imagery. Constant F2.8 brightness 12-24mm zoom with a constant F2.8 maximum aperture is ideal for shooting night scenes, starry skies, and other low-light subjects at low sensitivities without having to use extremely slow shutter speeds. Ultra-wide angles and large aperture in a small, lightweight zoom An advanced optical design with four aspherical elements, including three XA types, plus a mechanical design that features Sony’s original XD linear motors, in a compact, lightweight 12-24mm constant F2.8 zoom that delivers stunning image quality. In addition to being ideal for landscapes, night scenes, and architecture, this lens provides extra mobility for active sports photographers who shoot wide angles. XD Linear Motors for fast, accurate AF and reliable tracking Four XD Linear Motors, two for each of the lens’s focus groups, contribute to fast, precise autofocus and tracking that make full use of the speed potential provided by high-performance α camera bodies. New control algorithms maximise the response of the XD Linear Motor system while achieving flawless synchronisation between the focus groups. Operation is also quiet with minimal vibration. Control and reliability for professional applications A focus hold button, focus mode switch, zoom ring, focus ring, and other controls are designed and positioned for easy operation and a smooth workflow. Alternative functions that support the user’s individual shooting needs can be assigned to the focus hold button via camera body menu settings. A fluorine front element coating plus a dust and moisture resistant design ensure high reliability in challenging environments.

Sony FE 20mm f/1.8 G Lens

The Sony FE 20mm f/1.8 G Lens is a really compact and stylish prime lens thats been engineered for the E-Mount full-frame format cameras, to provide a brilliant ultra-wide field of view, with impressive corner-to-corner resolution.

The optical design provides incredible lens performance all thanks to advanced XD Linear Motors that keeps up with the high-speed capabilities of todays most advanced camera bodies providing an incredible autofocus speed, precision and tracking; Focus hold buttons on the side of the lens barrel to provide a smooth operation; a lens construction that consists of a front lens element thats fluorine-coated to repel water and grime; and when out in inclement weather conditions, the lens will never let you down as its dust- and moisture-resistant.

Other features include two AA elements and three ED glasses for enhanced image resolution throughout the image area; special AR coating thats been applied to the optical design to eliminate flare and ghosting; and a bright f/1.8 aperture that features a 9-blade circular aperture to ensure smooth, creamy bokeh and natural-looking highlights.

- E-Mount Lens/Full-Frame Format
- Aperture Range: f/1.8 to f/22
- Two Aspherical Elements
- Three Extra-Low Dispersion Elements

600-mm F4 G Master super-telephoto lens Fast autofocus plus stunning G Master resolution and gorgeous bokeh in a lightweight, well-balanced, mobile lens. Sony's original XA lens and XD linear motor technologies contribute to peak optical and mechanical performance, making it possible to capture dynamic, eye-catching images from afar. Ideal for sports, news, and nature photography. XD Motors for fast, precise, tenacious AF2 Two XD (extreme dynamic) linear motors provide fast, precise AF and reliable tracking. The SEL600F40GM brings out the best in modern camera bodies, effortlessly maintaining accurate focus on fast-moving sports and wildlife subjects. A control algorithm developed specifically for these motors contributes to fast positioning of the large focus group with minimum delay and vibration. New large XA element delivers superb resolution and bokeh An exacting G Master optical design uses three fluorite elements to suppress chromatic aberration, which can be problematic in telephoto lenses. A large XA (extreme aspherical) element is also included to eliminate onion-ring bokeh. Each lens is individually calibrated to achieve the ideal balance between resolution and bokeh. Optional high-performance 1.4x and 2.0x teleconverters3 with XA elements are also available. Outstanding mobility: lightest in its class4 A weight of just 6.70 lb, including tripod mount, makes this lens balance ideally with compact, lightweight E-mount camera bodies for easy handling and control. Smooth, precise panning is possible handheld or monopod-mounted. Reliability and durability for challenging conditions A dust- and moisture-resistant design5 provides reliability for outdoor use in challenging conditions, and the front lens element features a fluorine coating that repels water, oil, and other contaminants. A rigid magnesium alloy is used not only for the lens barrel exterior and tripod mount area, but for critical areas of the barrel interior as well, ensuring maximum strength and durability. Advanced features support professional needs When the FULL TIME DMF switch is ON, manual focus is automatically engaged when the focus ring is operated, even in the AF-C mode. Built-in Optical SteadyShot image Stabilization includes MODE 2 for panned shots, and MODE 3 for dynamic sports or wildlife action. MODE 3 also provides a more stable viewfinder image for easier framing.

Stunning F1.4 resolution in a mobile prime lens
Unsparing application of leading-edge technology achieves refined G Master performance with consistently high resolution and soft, natural bokeh even at the widest F1.4 aperture setting. The lens is both compact and the lightest in its class2, maximizing portability. It also offers fast, precise AF drive, top-level control and reliability.

Advanced optical technology achieves spectacular resolution even at F1.4
Two XA (extreme aspherical) elements in an optical design that meets stringent G Master requirements contribute to consistently high resolution throughout the image area. Three ED (Extra-low Dispersion) glass elements are also included to effectively suppress chromatic aberration. These innovative optical design that minimizes sagittal flare so that point light sources are accurately reproduced.

State-of-the-art optical design faithfully reproduces point sources
A new optical design incorporating two precision XA elements suppresses sagittal flare, a common aberration in large-aperture lenses. Sagittal flare can cause an unnatural spreading of point light sources that becomes more pronounced towards the image periphery.

Innovative optical design in a compact, lightweight lens
A new optical design that reduces overall lens diameter by employing two XA elements, one for the front element that is normally the largest in a lens, combines with a newly developed DDSSM (Direct Drive SSM) focus drive system to achieve a remarkably light total weight of just 445 grams (15.7 oz.) . The reduced size and weight of this lens makes it an ideal match for compact E-mount bodies, providing outstanding mobility.

Breathtaking G Master bokeh
An 11-blade circular aperture enhances soft, natural looking bokeh achieved through advanced design and a manufacturing process that includes precise control of spherical aberration. A minimum focusing distance of 0.24 meters (0.79 ft.) and maximum magnification of 0.17x mean close-up capability that, combined with the lens’s wide-angle view, can produce dramatic perspectives that also make good use of deep, lush bokeh.

Fast, precise, quiet AF for stills and movies
A newly designed high-power DDSSM optimized for this lens, delivers approximately three times greater thrust than the previous focus drive system. The increased power of the new DDSSM system provides faster, more precise, quieter autofocus drive capability, for outstanding performance when shooting stills and movies.

Professional control and dependability for stills and movies
Customizable focus hold button, aperture ring, aperture click switch, Linear Response MF, dust and moisture resistant design3, and fluorine front-element coating adds up to fully professional control and reliability for movies as well as stills.

Sony FE 85mm f/1.4 GM Lens

The Ultimate Portrait Prime
Often referred to as the perfect focal length for portraiture, the Sony FE 85mm f/1.4 GM is a fast short-telephoto prime distinguished by its flattering field of view, advanced optics, and ability to isolate subjects with shallow depth of field. As a G Master lens, too, this lens offers refined sharpness and bokeh quality, championing a pleasing image quality well-suited for portraits, events, and and other situations where focus control is paramount.

Fast Design, Refined Optics
- As part of Sony's esteemed G Master series, this lens is designed to achieve notably high resolution and sharpness through the correction of a wide variety of spherical and chromatic aberrations.
- Fast f/1.4 maximum aperture benefits working in difficult lighting conditions and also offers a wealth of control over focus position when using shallow depth of field techniques.
- A Nano AR Coating has been applied to reduce surface reflections, flare, and ghosting for increased contrast and color rendering in strong lighting conditions.
- Rounded 11-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.
- One XA element is incorporated into the optical design, which features superior surface precision for effective control over astigmatism, field curvature, coma, and other spherical aberrations.
- Three extra-low dispersion elements are featured in the lens design and help to reduce chromatic aberrations and color fringing for improved clarity and color neutrality.

Practical and Intuitive Handling
- Linear Super Sonic wave Motor (SSM) autofocus system and internal focus mechanism provides quick, quiet, and precise autofocus performance and also contributes to more natural, intuitive manual focus control.
- An AF/MF switch is located on the lens barrel for tactile control over this setting.
- Focus hold button is present on the lens barrel for intuitive tactile control and rapid access to select settings.
- Physical aperture ring can be de-clicked for smooth, silent aperture switching to benefit video applications.
- Dust- and moisture-sealed design better permits working in inclement conditions and rubberized control rings benefit handling in colder temperatures.