Lens alpha. Medical search. Frequent questions

Owners of the Alpha a7 IIk tout the camera's sturdy design and customizability, thanks to the interchangeable lenses and plethora of system settings. (dailymail.com)
The interchangeable lenses and E-mount system make the a6000 more versatile than almost any other camera on the market. (buydig.com)
Like SLRs, DSLRs typically use interchangeable lenses (1) with a proprietary lens mount . (wikipedia.org)
Interchangeable lenses for SLRs and DSLRs are built to operate correctly with a specific lens mount that is generally unique to each brand. (wikipedia.org)

The sensor utilizes a gapless on-chip lens design, which fills the gaps between neighboring pixels with optimized lenses that match the angle of incidence to increase light gathering ability and produce edge-to-edge sharpness and quality. (bhphotovideo.com)
This sensor structure works with a gapless on-chip lens design and an anti-reflection coating to improve light collection and enhance detail. (hotrodcameras.com)

Focus calibration we perform on mirrorless cameras allows the use of all mirrorless camera lenses without any focus issues, just as with stock cameras. (lifepixel.com)
This housing has been replaced with the 200DL Housing for Sony Alpha A7 II, A7R II, A7S II Mirrorless Cameras featuring the Dry Lock (DL) port system. (ikelite.com)
A full featured and durable waterproof housing for Sony Alpha a7 II, a7R II, and a7S II mirrorless cameras. (ikelite.com)

Move in closer with a macro lens or pull in distant scenes with a telephoto lens. (pictureline.com)
Premium G Master series large-aperture super telephoto lens. (alphacommunity.in)

Highly expressed in the mammalian lens, the α-crystallins have been postulated to play a critical role in the maintenance of lens optical properties by sequestering age-damaged proteins prone to aggregation as well as through a multitude of roles in lens epithelial cells. (nih.gov)
Damage to human lens epithelial cells (LECs) is associated with age-related cataract progression. (bvsalud.org)
Posterior capsule opacification (PCO) is a common postoperative complication of extracapsular cataract surgery, which is caused by the proliferation and migration of lens epithelial cells and can affect long-term visual outcomes significantly. (bvsalud.org)
Advances in surgical procedures, IOL design, and pharmacy have reduced the rate of PCO in recent years, concentrating on the inhibition of proliferative lens epithelial cells (LECs). (bvsalud.org)

Also, the filter thread at the front of the lens does not rotate, which is convenient if you're using a polarizing filter. (sony.com)
After the conversion you won't need any filters in front of the lens, this means you can hand hold and compose normally. (lifepixel.com)
For best results you will need to use our external filters in front of the lens to selectively choose one of the 3 light spectrums. (lifepixel.com)
After IR conversion you won't need any filters in front of the lens and the camera will be just as sensitive to infrared as it was to visible light. (lifepixel.com)
At 2:1 ratio, the front of the lens is just about 5cm from the subject which can lead to the camera and lens blocking ambient light, so something you have to learn to deal with. (ephotozine.com)

The button switches between the attached lenses maximum aperture for a blurred, bokeh-rich background and either f/8 or f/11 (depending on lens) for a clearly focused one, skipping all the complex manual settings. (pictureline.com)
Because it features Sony's E-mount system, the ZV-E1 can be used with all E-mount lenses, including the superlative G Master series with its stunning resolution and world-class bokeh. (vistek.ca)
Renowned G Lens bokeh. (alphacommunity.in)
The lens goes from f/2.8 to f/22, and has 14 aperture blades - perfect for soft and creamy bokeh. (ephotozine.com)

The latest mechanical and optical technology delivers full-frame performance in the world's lightest and most compact 0 standard zoom lens. (sony.co.uk)

He appreciates the lens with Nano AR Coating II as truly astounding that maintains high clarity and contrast throughout the entire image, even in difficult light. (alphacommunity.in)

Sony α mount lenses that feature power zoom offer enhanced control and expressive potential for moviemaking, with smooth, consistent zooming that is difficult to achieve manually. (sony.com)
Should you want to customize the Alpha a7 IIK, the camera is compatible with Sony's E-mount lenses. (dailymail.com)
This in-body system also has the advantage of being compatible with all A-mount lenses as it doesn't have to rely on lens designs providing the IS. (bhphotovideo.com)
The E-mount interchangeable lens system offers a wide selection to suit your style while the flip-out vari-angle LCD, advanced audio options and features designed specifically for vlogging make this the ideal content creators camera. (pictureline.com)
Thanks to Sony's extensive range of E-mount lenses, you have a wide variety to capture the world however you choose to see it. (pictureline.com)
Offering enhanced subject recognition, the latest technology for capturing stills and movies, and E-mount lens compatibility, the lightweight α6700 is designed for creative adventures, anytime, anywhere. (lookingglassphoto.com)
The Sony Alpha a7S II is an ultra-sensitive, full-frame E-mount mirrorless camera and the predecessor to the Sony Alpha a7S III . (lensrentals.com)
When using an E-mount lens that already features OSS , the two systems will work cooperatively for maximum stabilization. (lensrentals.com)
High build quality with dust and moisture sealing and an all-metal lens mount. (lensrentals.com)
A method to prevent dust from entering the chamber, by using a "dust cover" filter right behind the lens mount, was used by Sigma in its first DSLR, the Sigma SD9, in 2002. (wikipedia.org)

and a clouding of the lens of the eye ( cataract ). (medlineplus.gov)
The findings support the theory that changes in some lens proteins can occur by direct absorption of IR by the lens, and that these changes are different from those seen in the early stages of ultraviolet cataract formation. (cdc.gov)

The ZV-E1 is an interchangeable-lens vlog camera with a high-performance 35-mm full-frame image sensor. (vistek.ca)

Incorporate background scenery into your script with a wide-angle lens, or make the subject grab the viewer's attention by using a wide aperture lens with an artfully blurred background. (pictureline.com)
The aperture will always record as "00" - this is because the camera assumes there is no lens attached. (ephotozine.com)

Making entry-level more appealing is Sony's Alpha a68 DSLR Camera which offers many features found in bigger, pricier options, but in a compact and well-designed format. (bhphotovideo.com)

A 50.1-megapixel full-frame stacked Exmor RS™ image sensor capable of up to 30 fps continuous shooting with up to 120 AF/AE calculations per second4, 8k 30p 10-bit 4:2:0 video and much more, the Alpha 1 will allow creators to capture what they've never been able to before. (buydig.com)
Compact and capable, the silver Sony Alpha a7C mixes the quality and advantages of a full-frame sensor with an especially portable and sleek body design. (hotrodcameras.com)
The newly developed 33MP Exmor R CMOS sensor pairs with the BIONZ XR processor from the Alpha 1 to achieve quick shooting up to 10 fps and 4K 60p video recording, along with broad sensitivity up to ISO 51200 and a wide 15+ stop dynamic range. (kmcamera.com)
A digital single-lens reflex camera ( digital SLR or DSLR ) is a digital camera that combines the optics and the mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. (wikipedia.org)
In the reflex design, light travels through the lens and then to a mirror that alternates to send the image to either a prism, which shows the image in the optical viewfinder , or the image sensor when the shutter release button is pressed. (wikipedia.org)
The viewfinder of a DSLR presents an image that will not differ substantially from what is captured by the camera's sensor as it presents it as a direct optical view through the main camera lens, rather than showing an image through a separate secondary lens. (wikipedia.org)
Note also, the manufacturers state that on FF, it can be used only as a macro lens, so cropped sensor owners get the extra benefit of infinity focus! (ephotozine.com)
citation needed] Olympus used a built-in sensor cleaning mechanism in its first DSLR that had a sensor exposed to air, the Olympus E-1, in 2003[citation needed] (all previous models each had a non-interchangeable lens, preventing direct exposure of the sensor to outside environmental conditions). (wikipedia.org)

The Sony Alpha a7 IIK typically retails for $1,784.02, but is currently on sale for $998.00. (dailymail.com)
However, if you're looking to pick up your first camera, the Sony Alpha a7 IIK is an impressive choice at an even more impressive price. (dailymail.com)
I have recently upgraded to Sony Alpha ILCE-7 IV + Tamron 28-75mm f2,8 G2, and I'm still learning to master it. (dpreview.com)
Sony Alpha a6700 Mirrorless Camera wi. (pictureline.com)
Sony Alpha ZV-E10 Mirrorless Vlog Cam. (pictureline.com)
Sony Alpha 7R V Full-frame Mirrorless Interchangeable Lens Camera has a whole new level of camera intelligence from a new AI processing unit. (6ave.com)
The most technologically advanced, innovative camera that Sony has ever released, the Alpha 1 combines high-resolution and high-speed performance at a level never previously reached. (buydig.com)
An all-arounder that pushes beyond basic, the Sony Alpha a7 IV does double duty with strong stills and video performance. (kmcamera.com)
Sony Alpha ZV-E1 Mirrorless Kit Whi. (vistek.ca)
However, with the introduction of the focal-plane phase detect autofocusing in mirrorless interchangeable lens cameras by Sony, Fuji, Olympus, and Panasonic, cameras can now employ both phase detect and contrast-detect AF points. (wikipedia.org)
The fact of having made a claim for cashback for a Promotion Lens under a different Sony promotion does not prevent you from participating in this Welcome-to-Alpha Lens Promotion. (wexphotovideo.com)
Check out the Sony Alpha a7S III . (lensrentals.com)
Yes, I'd like to receive emails from Sony, including the Alpha Universe newsletter, camera announcements, product deals and more. (alphauniverse.com)
By joining the Alpha Universe community, you agree to the Terms and the Sony Electronics Inc. Privacy Policy and certify that you are a U.S. resident. (alphauniverse.com)
We welcome Sony Alpha Camera owners to explore, discover, learn and share the art of visual storytelling with us. (alphacommunity.in)
Sony Corporation today announced the development of a single lens 3D camera technology capable of recording natural and smooth 3D images of even fast-moving subject matter such as sports, at 240fps (frames per second). (photoxels.com)
We would like to introduce an important term that has been missing from all previous discussions about taking the Sony Alpha 7 series underwater: TTL. (ikelite.com)
This housing accepts a variety of ports to accommodate all of the most popular zoom, macro, and wide angle lenses from Sony, Canon, Sigma, and more. (ikelite.com)

Sony's Alpha a7 IIK camera , which is currently available at a massive discount. (dailymail.com)
Sony's Alpha a7 IIK is a full frame mirrorless camera that should be a solid option for those looking to get into high-level photography. (dailymail.com)

Pixel Peeping Pros: Lens Sharpness? (dpreview.com)
Edge to edge sharpness is good at all apertures especially from f/8, though the there is a drop in light toward the edges (vignetting) as is the case with most lenses anyway. (ephotozine.com)
When asked why he picked a zoom lens for this specific shoot, Colston said, "Prime lenses give your image a unique image definition and sharpness which is why they are popular. (alphacommunity.in)

Looking for a lens with a little longer reach that my Minolta 70-210, I found this lens on Amazon for $78.00. (mhohner.de)

Included with the camera body is the DT 18-55mm f/3.5-5.6 SAM II lens, which provides a 27-82.5mm equivalent focal length range to cover wide-angle to portrait-length perspectives. (bhphotovideo.com)
G Lens ultra-wide-angle zoom lens. (alphacommunity.in)
Super wide-angle zoom lens. (alphacommunity.in)

ALPHA by Bertoni Italy - TR90 frame , polymer structure made in Swiss, extremely lightweight and resistant , weight 22gr. (sportocchiali.com)
Versatile, lightweight 11x zoom lens. (alphacommunity.in)
Both sets are lightweight and easy to install with no modification to the lens required. (ikelite.com)

Major camera manufacturers began to transition their product lines away from DSLR cameras to mirrorless interchangeable-lens cameras (MILCs) beginning in the 2010s. (wikipedia.org)
Compared with the newer concept of mirrorless interchangeable-lens cameras , this mirror/prism system is the characteristic difference providing direct, accurate optical preview with separate autofocus and exposure metering sensors . (wikipedia.org)
Alpha Imaging Collective member Andy To saw a couple of kids who didn't get one of the cameras. (alphauniverse.com)
When your subject is quickly approaching, you'll be glad to have the only housing that provides TTL support for Alpha 7 cameras. (ikelite.com)
The ability to exchange lenses, to select the best lens for the current photographic need, and to allow the attachment of specialised lenses, is one of the key factors in the popularity of DSLR cameras, although this feature is not unique to the DSLR design and mirrorless interchangeable lens cameras are becoming increasingly popular. (wikipedia.org)

This lens features a Smooth Autofocus Motor (SAM) to offer quick and quiet performance that benefits video recording and subject tracking. (bhphotovideo.com)
Tissues and organs are damaged by the abnormal accumulation of oligosaccharides and the resulting cell death, leading to the characteristic features of alpha-mannosidosis. (medlineplus.gov)

We observed lens abnormalities, including increased reflectance intensity, as a consequence of the interference with expression of these proteins. (nih.gov)
The effects of exposure to elevated temperatures or to infrared radiation (IR) on lens proteins were investigated in-vitro in rabbit and calf lenses and in-vivo in rabbits. (cdc.gov)

Detail reproduction technology works to increase the fine detail rendering capabilities for a more three-dimensional, realistic image quality while diffraction-reducing technology helps to enhance the optical qualities of any lens by suppressing diffraction that is common when working at smaller apertures. (bhphotovideo.com)

Paul Iddon tests the Venus 60mm f/2.8 2:1 macro lens, the World's only 2:1 macro lens to offer infinite focus. (ephotozine.com)
Venus 2:1 Super Macro Lens Review, by Paul Iddon. (ephotozine.com)
A new design of macro lens, capable of focussing at 2:1 ratio through to infinity, this 60mm lens is something unique, a world first, and special. (ephotozine.com)
The lens is supplied with a 62mm UV filter, which appears well made, and is quite thin, however, I tend not to use filters on macro lenses. (ephotozine.com)

It has higher resolution than most DSLRs and adopts the same gapless on-chip lens structure as the a7R for ultimate image quality and light sensitivity. (buydig.com)

Differential expression of alpha, µ and pi classes of isozymes of glutathione S-transferase in bovine lens, cornea, and retina. (cdc.gov)
In this study, the differential expression levels of glutathione peroxidase 4 (GPX4) in the lens of young and aged mice were analysed. (bvsalud.org)

Its metal construction means it is quite heavy (just over 500g) and the clever thing is that the lens has its own extension tube in the body, which allows it reach the x2 magnification. (ephotozine.com)

A photographer will often use lenses made by the same manufacturer as the camera body (for example, Canon EF lenses on a Canon body) although there are also many independent lens manufacturers, such as Sigma, Tamron, Tokina, and Vivitar that make lenses for a variety of different lens mounts. (wikipedia.org)

Wider lenses (52 x 140 mm) give cycling and sport sunglasses a larger field of view, windproof and curved design to protect you from air and bad weather. (sportocchiali.com)
Wider lenses sport sunglasses a larger field of view, windproof and curved design to protect you from air and bad weather. (sportocchiali.com)
I haven't noticed any majorly significant pincushioning or barrel distortion during editing (the optical design consists of 2 major moving lens groups in order to minimise the barrel distortion) though I do not have a chart to accurately measure either of these. (ephotozine.com)

Until the introduction of coated lenses, the lens surface would reflect a large percentage of the incoming light, thus reducing transmission and making it difficult to use multiple of elements in lens designs. (sony.com)
Furthermore, by using mirrors in place of shutters, incoming light can now be simultaneously separated into left and right images and recorded as it reaches the parallel light area (the area where diverging light from the point of focus on the subject matter becomes parallel) of the relay lens. (photoxels.com)

This technology combines a newly developed optical system for single lens 3D camera which captures the left and right images simultaneously, together with existing high frame rate (HFR) recording technology to realize 240fps 3D filming. (photoxels.com)

Although most of the light that falls on an optical glass transmits right through, some of it reflects at the surface of the lens to cause flare or ghost images. (sony.com)
The lens performed admirably for him in a place with limited space and effectively subdued flare and ghosting. (alphacommunity.in)

The introduction of a single lens system resolves any issues that may occur as a result of having different optical characteristics for each eye. (photoxels.com)
Alpha-mannosidosis is estimated to occur in approximately 1 in 500,000 people worldwide. (medlineplus.gov)

We're really excited to announce the first public alpha release of the next version of our automatic camera/lens focus calibration and analysis package - FoCal 2020! (reikanfocal.com)
A complete rework of the user interface and core code followed to bring FoCal 2.0 , and then came the FoCal Comparison Database - a feature that allows performance comparison between your camera and lens with other real-world FoCal users of the same equipment to find out how it really performs. (reikanfocal.com)

The T* symbol only appears on multi-element lenses in which the required performance has been achieved throughout the entire optical path, and it is therefore a guarantee of the highest quality. (sony.com)
Only the middle or rear groups of the optical system are moved to achieve focusing, which leaves the total length of the lens intact. (sony.com)
A movable mechanical mirror system (2) is switched down (to precisely a 45-degree angle) to direct light from the lens over a matte focusing screen (5) via a condenser lens (6) and a pentaprism / pentamirror (7) to an optical viewfinder eyepiece (8) . (wikipedia.org)
Lenses are decentered in order to avoid any optical distorsion. (sportocchiali.com)
However, when operating the zoom and focus functions of such systems, the sensitivity of the human eye, in particular to differences in the size and rotational movement of dual images, as well as any vertical misalignment or difference in image quality has meant that complex technology has been required to ensure that each camera lens is closely coordinated, and there are no discrepancies in the optical axis, image size, and focus. (photoxels.com)

The fact that lens coating technology - vapor deposition of a thin, even coating on the lens surface to reduce reflections and maximize transmission - was originally a ZEISS patent is well known. (sony.com)
The ZEISS company also developed and proved the efficacy of multi-layer coatings for photographic lenses, and this is the technology that became the T* coating. (sony.com)
The ZEISS T* coating is not simply applied to any lens. (sony.com)

Many of my initial photos appears soft and out of focus and I'm in doubt if it is due to the shallow depth of field, and lack of skills, wrong settings etc. - or if the lens is misaligned. (dpreview.com)
For video and legacy-lens users, the manual focus peaking enables highly visible and accurate operation and can be optimized for full-frame or APS -C format shooting modes. (lensrentals.com)
You've probably already guessed, it checks how well your camera and lens are focusing together, giving you an idea of whether you need to run a complete focus calibration. (reikanfocal.com)
Eliminates the need for lens synchronization, ensuring easily accurate control of 3D zoom and focus functions. (photoxels.com)

Internal zoom is another beneficial feature: the length of the lens remains constant while zooming, and the barrel does not rotate so polarizers and other position-dependent filters can be used without the need for additional support. (sony.com)
In regard to the lens construction, two aspherical elements and one extra-low dispersion glass element are incorporated to help reduce spherical and chromatic aberrations throughout the zoom range while also helping to produce sharper, clearer imagery. (bhphotovideo.com)
We provide two zoom sets with each housing, one for use with most popular larger diameter zoom lenses and a second designed for use with smaller diameter zoom lenses. (ikelite.com)

The signs and symptoms of alpha-mannosidosis can range from mild to severe. (medlineplus.gov)

These findings demonstrate that the role of α-crystallins in lens development is conserved from mammals to zebrafish and set the stage for using the embryonic lens as a model system to test mechanistic aspects of α-crystallin chaperone activity and to develop strategies to fine-tune protein-protein interactions in aging and cataracts. (nih.gov)
The combination of Sony's new single lens 3D system and its 240fps high frame rate technology has realized a single lens 3D camera system, based on universal properties of the human eye, which enables natural and smooth 3D images with no accommodation-vergence*1 conflict to be recorded. (photoxels.com)

The exposed front element of any lens can pick up water, mud, oil, fingerprints, and other contaminants that can not only compromise image quality, but in some cases even damage the lens. (sony.com)
Like the a7II and a7RII, the a7S II includes built-in 5-axis image stabilization, which offers up to 4.5 stops of correction to any lens mounted. (lensrentals.com)

Anatomy8

Organisms2

Diseases6

Chemicals and Drugs34

Analytical, Diagnostic and Therapeutic Techniques and Equipment12

Phenomena and Processes10

Information Science2

Interchangeable lenses4

Gapless on-chip lens design2

Mirrorless Cameras3

Telephoto lens2

Epithelial cells4

Front of the lens5

Bokeh4

Standard zoom lens1

Nano AR Coating II1

Mount10

Cataract2

Vlog Camera1

Aperture2

DSLR Camera1

Sensor8

Sony18

Sony's Alpha2

Sharpness3

78.001

Wide-angle3

Lightweight3

Cameras5

Features2

Proteins2

Diffraction1

Macro4

DSLRs1

Glutathione2

Magnification1

Sigma1

Design3

Incoming light2

Combines1

Flare2

Occur2

FoCal2

Optical5

ZEISS3

Focus4

Zoom3

Range1

System2

Image2