• Designed to provide a wealth of control over out-of-focus quality and to enhance bokeh, the Laowa 105mm f/2 Smooth Trans Focus Lens from Venus Optics is a short telephoto prime designed for full-frame Sony A-mount cameras. (bhphotovideo.com)
  • Characterized by its close-focusing capabilities and apochromatic design, the Canon RF-mount Laowa 100mm f/2.8 2X Ultra Macro APO from Venus Optics is a unique and versatile short-telephoto prime. (bhphotovideo.com)
  • Venus Optics Laowa 100mm f/2.8 2X Ultra Macro APO Lens for Canon RF does not have any electronic contacts to comunicate with your Canon EOS R6 mirrorless camera. (bhphotovideo.com)
  • The previously rumored Laowa 85mm f/5.6 2x Ultra Macro APO lens for Nikon Z-mount from Venus Optics is now officially announced. (nikonrumors.com)
  • The price is $499 and pre-orders are now open at the official Venus Optics online store that also offers international shipping (Adorama and B&H always list new Laowa lenses a few weeks later). (nikonrumors.com)
  • Today Venus Optics officially announced the previously rumored Laowa Argus 35mm f/0.95 FF full-frame mirrorless lens for Nikon Z-mount. (nikonrumors.com)
  • Who should we e-mail when a Venus Optics Laowa Shift Lens Support V2 becomes available? (lensprotogo.com)
  • The Venus Optics Laowa Shift Lens Support V2 is a lens support that's compatible with the Venus Optics Laowa 15mm f/4.5 Zero-D Shift, 15mm f/4.5R Zero-D Shift, and 20mm f/4 Zero-D Shift lenses. (lensprotogo.com)
  • A further nine lenses will join the range from late 2022. (svconline.com)
  • On 15 September 2022, Harlan opened a special exhibition at the Zeiss Museum of Optics dedicated to this extraordinary lens. (dpreview.com)
  • Venus Optics's new Laowa 20mm f/4 Zero-D Shift lens adds a second option to the company's shift lens line and provides zero distortion at a wider maximum aperture in exchange for a slightly less wide angle of view. (petapixel.com)
  • Like the last few Laowa lenses I have reviewed, the 20mm f/4 Shift lens also has an internal focus design to help reduce any dust or moisture from entering the lens. (petapixel.com)
  • It is also worth noting that unlike the more expensive Nikon and Canon counterparts, there are no "tilt" options present on the Laowa shift lenses which many architectural photographers may demand. (petapixel.com)
  • The MS Optics 28mm f2 Pancake lens offering is a lens that should be permanently glued to a Leica CL if you have one. (thephoblographer.com)
  • The MS Optics 28mm f2 is one of the smallest lens offerings for the Leica M mount, with perhaps only Lomography's Minitar 32mm f2.8 lens rivaling it. (thephoblographer.com)
  • One thing is for absolutely certain: mate the MS Optics 28mm f2 to your Leica M mount (or any M mount camera) and the package will be that much lighter and smaller than nearly any other lens you use with your camera. (thephoblographer.com)
  • We tested the MS Optics 28mm f2 with the Leica CL, Fujifilm Superia 200, Fujifilm Superia 400, Fujifilm Superia 1600, Kodak Tri-X 400, and Lomography Earl Grey 100 film (pushed to 400). (thephoblographer.com)
  • The MS Optics 28mm f2, due to its small size, has a way of functioning that doesn't exactly work like many of the other M mount lenses out there. (thephoblographer.com)
  • While the aperture on the MS Optics 28mm f2 changes via essentially gripping the area around the front element and twisting, the lens focuses using the tab on the side. (thephoblographer.com)
  • This is how thin the MS Optics 28mm f2 lens is. (thephoblographer.com)
  • The MS Optics 28mm f2 that I borrowed from Horatio over at Street Silhouettes is very well built. (thephoblographer.com)
  • What's best about the MS Optics 28mm f2 is that it's so small. (thephoblographer.com)
  • The MS Optics 28mm f2 isn't designed for folks who don't understand manual focusing. (thephoblographer.com)
  • The MS Optics 28mm f2 lens isn't an autofocus lens. (thephoblographer.com)
  • The MS Optics 28mm f2 isn't designed to be the sharpest lens. (thephoblographer.com)
  • Zhong Yi Optics has announced a new Mitakon Creator 28mm f/5.6 lens - a recitation of the iconic Leica Summaron M 28mm f/5.6 lens. (photorumors.com)
  • Our Edge 50 Optic illuminates essential details at 50mm. (lensbaby.com)
  • Cooke Optics has announced the launch of the S8/i Full Frame (FF) series of seven lenses for full-frame production with an all-spherical design and T1.4 throughout, these currently include 25mm, 32mm, 40mm, 50mm, 75mm, 100mm, and 135mm focal lengths. (svconline.com)
  • One of the rare Zeiss Planar 0.7/50mm film lenses used by Stanley Kubrick for his legendary interior shots without artificial light is now exhibited in the Zeiss Museum. (dpreview.com)
  • Zeiss has announced that Jan Harlan, an executive producer who worked alongside the late Stanley Kubrick, has handed over one of only ten Zeiss Planar 50mm F0.7 lenses to ever be produced. (dpreview.com)
  • Stanley read an article in the 'American Cinematographer' reporting about a ZEISS 0.7/50mm lens and got most excited. (dpreview.com)
  • As Zeiss explains in its announcement, the Planar 50mm F0.7 lens holds a place in the Guinness Book of Records and captures roughly four times as much light as an F1.4 lens. (dpreview.com)
  • Atrophy of these nerves causes an abnormally pale appearance (pallor) of the optic nerves, which can be seen only during an eye examination. (medlineplus.gov)
  • Degenerated axons lose this optical property, explaining the pallor in optic atrophy. (medscape.com)
  • If you decrease the amount of aberrations, you can increase the quality of the image, and that's very important in trying to get a little extra visual function out of an intraocular lens. (medscape.com)
  • Rochester, New York) and TRULIGN® (Bausch & Lomb) intraocular lenses are accommodating lenses that correct for astigmatism. (medscape.com)
  • Tim Pugh, CEO, Cooke Optics, said, "We are very proud to reveal the new S8/i FF series, built as always with cinematographers in mind. (svconline.com)
  • Cooke Optics has announced the launch of four new focal length lenses - 27mm, 35mm, 65mm, and the highly anticipated 18mm - joining the cutting-edge S8/i Full Frame (FF). (svconline.com)
  • Cooke Optics announced today that 60mm, 90mm, and 150mm Macro/i FF 1:1 lenses are now available to order as a full set. (svconline.com)
  • Cooke Optics, the leading developer and manufacturer of high-end cine lenses and intelligent lens technology, has announced the launch of the SP3 range of full-frame prime lenses for mirrorless. (svconline.com)
  • TECHSPEC ® components are designed, specified, or manufactured by Edmund Optics. (edmundoptics.com)
  • Edmund Optics offers the world's largest inventory of optical components, including unique Specialty Lenses. (edmundoptics.com)
  • Edmund Optics' Specialty Lenses include Compound Parabolic Concentrators (CPCs), Microlens Arrays, or Multi-Lens Arrays. (edmundoptics.com)
  • If your conference room machine will be called upon to project at different positions, angles, and brightnesses, you should ask about interchangeable lenses. (abbysguide.com)
  • United Lens Company's beginnings were modest, molding spectacle lens blanks, but always with a keen eye to the future and developing technologies. (optics.org)
  • The lens, which is one of three Kubrick had custom-made to be used as a cinema lens, is being lent to Zeiss to display in the company's Museum of Optics, located in Oberkochen, Germany. (dpreview.com)
  • Figure 3 shows the object located more than two focal lengths (2F) away from the lens. (circuitcellar.com)
  • After the test were successful, I bought two further lenses for potential conversion to other focal lengths. (dpreview.com)
  • It is unclear how OPA3 gene mutations lead to cataracts and other eye problems that can occur in autosomal dominant optic atrophy and cataracts. (medlineplus.gov)
  • Optic atrophy is the final common morphologic endpoint of disease process that causes degeneration of axons of the ganglion cells. (medscape.com)
  • [ 1 ] Clinically, optic atrophy manifests as changes in the color and the structure of the optic disc (cupping) associated with variable degrees of visual dysfunction. (medscape.com)
  • Optic atrophy is classified as pathologic, ophthalmoscopic, or etiologic. (medscape.com)
  • In conditions with secondary optic atrophy (eg, papilledema, papillitis), the atrophy is secondary to disc edema (shown in the image below). (medscape.com)
  • Learn everything there is to know about Lensbaby and our lens effects, from the pros who use them! (lensbaby.com)
  • Lensbaby lenses are compatible with loads of different cameras. (lensbaby.com)
  • Start with a Lensbaby lens. (lensbaby.com)
  • Built with a full rimless design, the Optic Nerve FixieBLAST was built with next-level lens and frame construction for unobstructed vision and clarity. (performancebike.com)
  • The 20mm f/4 Zero-D Shift lens has an entirely metal body (up to and including the lens hood ), an 82mm filter thread, weighs about 1.6 pounds (747 grams), and is slightly bulkier than I expected, which does give the lens a very sturdy and durable feel to it. (petapixel.com)
  • These lenses are available with efficient broadband AR coatings for the BBAR (1650-3000nm) or MWIR (3000-5000nm) spectral regions. (edmundoptics.com)
  • Cleaning optics whether binoculars, refractors or reflectors can reduce the light gathering power by scratching or removing the enhanced coatings placed on them to improve their performance. (telescopes-astronomy.com.au)
  • Dust caps should be used on the eyepieces as they have enhanced coatings on the lenses as well. (telescopes-astronomy.com.au)
  • A quick check of the optics manual will give suggestions to removing any unusual marks or dirt without removing the enhanced coatings. (telescopes-astronomy.com.au)
  • Lenses can be supplied with e-beam (+ARB800) or IBS (+ARB800HT) coatings. (eksmaoptics.com)
  • All S4/i prime lenses are colour balanced and colour matched - ensuring consistency across the series. (cookeoptics.com)
  • Clinically, the light incident from the ophthalmoscope undergoes total internal reflection through the axonal fibers, and subsequent reflection from the capillaries on the disc surface gives rise to the characteristic yellow-pink color of a healthy optic disc. (medscape.com)
  • Diagnosis involves examination of the reactions of the pupils and observing the back of the eyes with a light with magnifying lenses (ophthalmoscope). (msdmanuals.com)
  • Beyond the APD element, the lens also features three low dispersion elements and one extra refractive index element, which combine to limit chromatic aberrations throughout the aperture range and contribute to a high degree of sharpness and clarity. (bhphotovideo.com)
  • The S4/i series of prime lenses feature an eight-leaf linear module iris assembly, providing an aperture range of T2-T22. (cookeoptics.com)
  • Here, in part 2, he covers lenses and important topics such as chromatic aberration. (circuitcellar.com)
  • Inside, the lens features 16 elements in 11 groups with two aspherical elements and three ED elements that the company claims will effectively eliminate chromatic aberration and provides a consistent image sharpness from center to edge. (petapixel.com)
  • With that said though, the lens was designed very carefully to not have any major issues with chromatic aberration and indeed keeps issues like distortion down pretty well. (thephoblographer.com)
  • In addition, this lens is said to be very good at correcting for a chromatic aberration. (medscape.com)
  • The Symfony lens pays particular attention to spheric aberration and chromatic aberration. (medscape.com)
  • The electron particle trajectory formula matches the formula for geometrical optics with a suitable electron-optical index of refraction. (wikipedia.org)
  • At the base of the lens sits the shift/rotation mechanism that unlocks by pressing the release lever on the side of lens that allows for a full 360-degree rotation of the lens barrel, guided by the markings along the static part of the lens mount next to this lever. (petapixel.com)
  • Short telephoto prime designed for full-frame Sony A-mount cameras, this lens can also be used on APS-C models where it provides a 157.5mm equivalent focal length. (bhphotovideo.com)
  • All TTartisan products (lenses, light meters, and adapter rings( are currently 12% off only at the official TTartisan online store -they offer both APS-C and full-frame lenses for Nikon Z-mount. (nikonrumors.com)
  • Ed re-worked the receiving mount of a Mitchel BNC and made it purely dedicated to this lens. (dpreview.com)
  • Cooke S4/i optics offer superb optical and mechanical performance, control of flare, distortion, veiling glare and spherical aberrations at full aperture, with the cam-type focus mechanism allowing for smooth focus adjustments. (cookeoptics.com)
  • S4/i lenses are designed to provide maximum performance at full aperture with superior control of flare, distortion and spherical aberration - ensuring the Cooke Look remains true across the series. (cookeoptics.com)
  • The Cooke /i Technology ecosystem provides critical lens metadata such as focus and iris position as well as individually calibrated lens distortion and shading maps. (cookeoptics.com)
  • Prof. Boudoux's book covers a comprehensive range of topics in biomedical optics and biophotonics. (lu.se)
  • Positive lenses are bi-convex (also called dual convex), plano-convex, and positive meniscus (see Figure 1 ). (circuitcellar.com)
  • TECHSPEC λ/20 plano-convex (PCX) lenses feature a precision fused-silica substrate, λ/20 surface accuracy, and 20-10 surface quality-all characteristics needed for high-precision use in demanding environments. (laserfocusworld.com)
  • The lens may not be as wide as its 15mm Zero-D sibling, but it has a slightly faster maximum aperture in exchange. (petapixel.com)
  • With a maximum aperture of T1.4 across the focal range, the new S8/i FF lenses are amongst the very fastest produced lenses for larger than full-frame capture. (svconline.com)
  • Our range of optical lenses has never been so extensive, while our expertise in producing filters for camera products is highly valued in the industry. (schott.com)
  • Specialty Lenses are Optical Lenses that are unique in design or purpose. (edmundoptics.com)
  • The term optics is used because magnetic and electrostatic lenses act upon a charged particle beam similarly to optical lenses upon a light beam. (wikipedia.org)
  • The optic nerve head sits at a major transition between an area of high pressure to an area of low pressure (intracranial pressure) and is composed of 4 types of cells: ganglion cell axons, astrocytes, capillary-associated cells, and fibroblasts. (medscape.com)
  • Shop Nikon sale items for the best deals on our DX-Series and FX-Series pro-quality, full frame DSLRs and Z series mirrorless cameras , as well as Point & Shoot, Action, and Film Cameras, interchangeable NIKKOR wide angle and telephoto lenses and camera accessories. (nikonusa.com)
  • We've been doing that for quite a while, and the technology has improved over many years, as has the quality of the replacement lenses that we've been using. (medscape.com)
  • At the very end of the lens is the all-metal, removable lens hood that has a locking friction knob on one section that ensures it stays in position no matter what angle the lens rotates at. (petapixel.com)
  • This also means if you have the lens shifted a certain way that is not "normal," you can rotate the lens hood a full 360-degrees to avoid the hood's petals from dipping into the frame while still blocking any light that could cause unwanted flaring in the shot. (petapixel.com)
  • The Map Original lens is limited to 100 pieces and is produced in a very attractive "platinum chrome plated" finish, including a vented MS Smart Hood. (japanexposures.com)
  • Sort of wish that it had an equally small lens hood that came with it. (thephoblographer.com)
  • While we are eagerly awaiting the release and shipment of the new MS Optics (former MS Optical) MS Apoqualia-G/Apolia-G 35/f1.4 lens, Tokyo premium camera boutique Map Camera has announced a lens named MS Optics Reiroal 35/f1.4, which is now available for pre-order exclusively on the Map Camera web site  at the price of ¥143,800. (japanexposures.com)
  • There are two principal types of lenses: positive (also called converging or convex lenses) and negative (also called diverging or concave lenses). (circuitcellar.com)
  • This is important as the 20mm Shift lens is not weather-sealed, so users should be wary of this when planning on taking this lens out in anything other than ideal weather conditions. (petapixel.com)
  • To control the effect of the apodization element, two separate diaphragms are incorporated in the lens' design: a 14-blade diaphragm that works mainly in conjunction with the APD element to control bokeh, as well as a standard 8-blade diaphragm at the rear of the lens design to control the overall light transmission and affect depth of field. (bhphotovideo.com)
  • Considering that it's an f2 lens, you also expect it to have great bokeh. (thephoblographer.com)
  • Any ray traveling in parallel to the principal axis (red traces) is refracted, i.e. bent, to reach the focal point at the other side of the lens. (circuitcellar.com)
  • The resulting image will be inverted, smaller than the object and located between the focal point (F) and 2F on the opposite side of the lens. (circuitcellar.com)
  • With the object located between 2F and F points, the lens will form an image beyond the 2F point on the other side of the lens. (circuitcellar.com)
  • Finally, when the object is located between the focal point F and the lens, the image will be located behind the object between points F and 2F on the side of the lens where the object is located. (circuitcellar.com)
  • Additionally, the markings for the aperture (and focus) are only on one side of the lens barrel, meaning checking these settings can be tricky if the lens happens to be rotated and shifted away from your point of view. (petapixel.com)
  • In case of a spherical lens, 2F distance coincides with the center of the curvature (C) as is the case with spherical mirrors described in Part 1 of this article series . (circuitcellar.com)
  • The S8/i are cutting-edge, state-of-the-art high-speed full-frame lenses motivated by feedback from cinematographers wanting to create more realistic and film-like images with spherical lenses for digital motion capture. (svconline.com)
  • The lenses have been designed and produced in a smart way using an all-spherical design which provides an organic, filmic aesthetic to accompany the latest digital film cameras. (svconline.com)
  • In other words, the lens magnification will be 1. (circuitcellar.com)
  • These Fein Optic stereo microscope auxiliary lenses are used to change the magnification and working distance of the stereo zoom microscope. (microscopeworld.com)
  • This magnification technology is less vivid than the magnification abilities of an optical (multi-focal length) zoom lens. (abbysguide.com)
  • As imaging technology develops, our range of lenses and cutoff filters develops with it, offering pin-sharp images alongside robust quality. (schott.com)
  • Specialty Lenses are used in a range of applications for a wide variety of industries, including communications, R&D, industrial, or lab integration. (edmundoptics.com)
  • HELPFUL HINT: Many of the micro-portables have zoom lenses with limited range. (abbysguide.com)
  • It is intended to be a step in the direction of TO devices made entirely from lenses, which should be readily realisable on large length scales and for a broad range of wavelengths. (gla.ac.uk)
  • In 2016, United Lens Company (ULC) is celebrated its 100th year of family ownership and continues to be a leading optics manufacturer in American production and pioneering technology. (optics.org)
  • Cooke's /i Technology provides cinematographers and camera operators with vital information on lens setting, focusing distance, aperture and depth-of-field, hyperfocal distance, serial number, owner data, lens type and focal length in both metric and footage measurements. (cookeoptics.com)
  • What type of glasses will be used for your lens replacement? (go-optic.com)
  • The type of zoom lens varies from projector to projector. (abbysguide.com)
  • Many people think their eyesight is just fine, but then they get that first pair of glasses or contact lenses and the world comes into clearer view-everything from fine print to street signs. (cdc.gov)
  • The protection of the telescopes optics is far better than cleaning them. (telescopes-astronomy.com.au)
  • Together with you, our experts will develop specific cleaning processes tailored to the different material compositions of optics. (turbex.co.uk)
  • The intermediate and final cleaning of items such as optical and optic components requires ultrasonic cleaning. (turbex.co.uk)
  • Compact and light, agile, and easy to use, the new S8/i FF lenses have been created for a wide variety of situations and today's compact cameras. (svconline.com)
  • With today's projectors, Zoom lenses are pretty standard. (abbysguide.com)
  • We present a design for an omni-directional transformation-optics (TO) cloak comprising thin lenses and glenses (generalised thin lenses) [Chaplain et al. (gla.ac.uk)
  • Alongside the unique attributes of the APD element, the lens also incorporates three low dispersion elements and one extra refractive index element to control chromatic aberrations and color fringing, as well as produce a great deal of overall clarity and sharpness. (bhphotovideo.com)
  • Featuring an apochromatic designation, this lens uses a pair of low dispersion elements to effectively eliminate chromatic aberrations and color fringing for greater clarity and accurate rendering. (bhphotovideo.com)
  • TECHSPEC® Silicon Aspheric Lenses are high performance, lightweight solutions for BBAR and Mid-Wave Infrared (MWIR) applications and are ideal alternatives for costly ZnSe lenses and brittle Germanium lenses. (edmundoptics.com)
  • TECHSPEC Silicon Aspheric Lenses feature the mechanical and thermal properties required to withstand many of the effects of harsh environments including fluctuations in temperature and pressure. (edmundoptics.com)
  • View more information on the TECHSPEC λ/20 PCX lenses . (laserfocusworld.com)
  • Dreamcon's vision is to be "The World's Best Colored Contact Lens Maker. (ecplaza.net)
  • Having the most advanced manufacturing technology - we have many patents for contact lens. (ecplaza.net)
  • or neuromyelitis optica (also called NMO), a rare immunologic disease that damages the spinal cord and optic nerve. (msdmanuals.com)