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Aspherical Lens new source - candlepowerforums

6/22/2012 · Lately I have been dissatisfied with the "Aspherical" offerings from the usual Chinese suspects. Their 50mm and 75mm lenses had swirls, bubbles, multi-image with rejects running 4 to 1 good. I am into larger color emitters so p60 platform isn't what was needed. Found Optolife. Ordered several lens 50mm, 52mm & 80mm. The 50 and 80 rock for flashlight use.

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Camera lens - Wikipedia

A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.

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Shiftcam returns to Kickstarter with a 12mm aspherical ...

6/12/2019 · The company, which has previously completed several successful smartphone lenses on Kickstarter, is back on the crowdfunding platform, this time with a 12mm ultra wide aspherical lens. Like other lenses in the Shiftcam Pro line, the 12mm can be attached to iPhones via a specific case or to all other phones with a universal lens mount.

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ShiftCam 12mm Ultra-Wide Angle Aspherical Phone Lens - Now ...

7/10/2019 · ShiftCam 12mm aspherical phone lens. Source: ShiftCam. ShiftCam claims that their new ultra wide-angle lens is a world's first aspherical lens of this type for mobile phones. The aspherical element in the lens reduces spherical aberration to result in sharper and better image even at the edges. The lens features a 12mm focal length (35mm ...

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Aspheric solutions made by one source | asphericon

Aspheric solutions made by one source. Ultra-precise and unique. We develop solutions for the optics world of tomorrow. Precision out of passion. Startseite Aspheres and aspherical systems made by the expert. Welcome to the technological leader in asphere production. Benefit from our know-how in manufacturing systems as well as lenses of ...

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Visible Achromatic Aspherical Lens - Newport Corporation

Q: How to clean the lens element in an aspherized achromatic lens? A: When cleaning our Achromatic Aspherical Lenses, do not use acetone as it will cause damage to occur in the lens and epoxy. Instead use de-ionized water, compressed air, reagent-grade alcohol, or other standard lens cleaning methods as shown in our How to Clean Optics guide.

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Toric vs aspherical control intraocular lenses in patients ...

Not correcting corneal astigmatism at the time of cataract surgery will fail to achieve spectacle independency in 20% to 30% of patients. OBJECTIVE: To compare bilateral aspherical toric with bilateral aspherical control intraocular lens (IOL) implantation in .

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Aspheric Lenses - Aspheric Lens - Aspherical

Aspheric lenses have much lower f-numbers, allowing them to perform better than spherical lenses in light collection, projection, illumination, detection and condensing applications. Since the focal lengths are often very short, compact designs are frequently possible.

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 · PDF file

ASPHERICAL LENS DESIGN AND IMAGING 3 where 1 is the angle between x and (the angle of incidence), 2 the angle between m and (the angle of refraction). From (2.1), (n 1x n 2m) = 0, which means that the vector n 1x n 2m is parallel to the normal vector . If we set = n 2=n 1, then (2.2) x m = ; .

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Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Lens ...

Tamron's SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] lens, shown in side view without the supplied lens hood.(Source: Tamron.) One of Tamron's SP (Super Performance) lenses, it has been designed and constructed to 'professional quality' standards.

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Molded Glass Aspheric Lenses: 350 - 700 nm or 400 - 600 nm ...

Molded Glass Aspheric Lenses: 350 - 700 nm or 400 - 600 nm Broadband AR Coating Aspheric lenses focus or collimate light without introducing spherical aberration into the transmitted wavefront. For monochromatic sources, spherical aberration often prevents a single spherical lens from achieving diffraction-limited performance when focusing or ...

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China Aspherical Lens, Aspherical Lens Manufacturers ...

China Aspherical Lens manufacturers - Select 2020 high quality Aspherical Lens products in best price from certified Chinese Lens manufacturers, Optical Lens suppliers, wholesalers and factory on Made-in .

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Sigma 15-30mm f/3.5-4.5 EX DG Aspherical Review

10/27/2005 · (From Sigma lens literature) The Sigma 15-30mm f/3.5-4.5 EX DG Aspherical lens can be useful for images of landscapes, ... The major drawback is flare and ghosting with evrery light source.

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Design of an Aspherical Lens to Generate a Homogenous ...

A design of a large-numerical-aperture aspherical singlet for three-dimensional (3-D) sensor applications is presented. This lens can be used to generate a homogenous irradiance on the target in a ...

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IR Corrected (Aspherical): Yes - CCTV Lens | CCTV Camera ...

A lens made using ultra-precision molding aspherical technology achieves more accurate colour, better light, and clearer images. Multilayer broadband anti-reflection coating further maximises a lens's light transmission while minimising the residual reflection of light on the surface of each optical lens.

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Review: Voigtlander 12mm 5.6 Aspherical Ultra Wide Heliar ...

3/5/2019 · Introduction. The Voigtländer 12mm 5.6 Ultra Wide Heliar E aspherical is one of the widest lenses you can buy and thanks to its moderate speed it is also a rather small lens.

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Samyang 85mm f/1.4 IF UMC lens review with samples (full ...

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4/2/2015 · Today I'm taking a look at Samyang's very popular 85mm f/1.4 lens - it's got a reputation for being excellent value for money, if you're ready to try manual focus. Find it here (Amazon affiliate ...

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What Are Aspherical Lens Elements? - PetaPixel

When camera lens makers announce new lenses, one of the specs they always tout is how many aspherical elements the lens designs have. If you're not sure .

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Voigtlander Super Wide-Heliar Aspherical II 15mm f/4.5 Lens

Side view of the new Voigtlander Super Wide-Heliar Aspherical III 15mm f/4.5 lens. (Source: Cosina Voigtlander.) The original Super Wide-Heliar 15mm lens was designed for film cameras and comprised eight elements in six groups, with one aspherical element. The new lens design lens has 11 elements in nine groups, with one aspherical lens element.

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Aspherical Lens,Aspherical Camera Lens, Aspheric ...

The spherical lens is with a constant curvature from the center of the lens to the edge, while the aspherical lens changes continuously from the center to the edge. In photographic lenses, many aberrations must be corrected in order to ensure optical performance.

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Advantages and Disadvantages of Aspherical Lenses ...

The surface radian of aspherical lens is different from that of ordinary spherical lens. In order to pursue the thinness of the lens, it needs to change the surface of the lens. Aspheric lens .

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