Aspheric lenses have surfaces which do not resemble segments of a sphere or cylinder. Instead, aspheric lenses ha ve a profile that changes in curvature across the surface. This type of lens is ...
Aspheric lenses have at least one surface that is not a true sphere. The aspheric profile used is frequently a conic surface of revolution about the lens axis, matched in design to the shape of the ...
Radius and curvature are reciprocal to one another. Figure 7.1a shows a plano convex lens element with a spherical radius, imaging an axial point from infinity. The spherical aberration is quite ...
Optical Surfaces Ltd is a leading producer of large diameter aspheric lenses used as critical focusing optics in high-power laser research. Large diameter Aspheric lens. Image Credit: Optical ...
Chinese lens maker Venus Optics recently released two new Laowa lenses: the 15mm F/5 Cookie full-frame and 12-24mm F/5.6 Zoom Shift CF. Both lenses are now available for pre-order at B&H.
(From Tamron lens literature) The optical system of the new SP AF 14mm F/2.8 Aspherical (IF) lens, composed of 14 elements in 12 groups, includes two Hybrid Aspherical lens elements. These large ...
The RF24mm has 15 elements across 11 groups, including two UD lenses and an aspherical lens. The RF50mm has 14 elements across 11 groups, including one UD lenses and two aspherical lenses. The ...
Costing a fraction of Leica, Panasonic, Nikon and Sony own-brand 85mm primes, the Meike 85mm f/1.8 Pro still offers full ...
The XCD 3,4/75P delivers a 59mm equivalent field of view on Hasselblad's medium format digital cameras.
Artisans has announced the 10mm F2.8 II, a full-frame fisheye lens for Canon RF, Nikon Z, Sony E and L-mount camera systems, which replaces the company's existing 10mm F2.8 lens. 7Artisans suggests ...
The super-wide, super-fast and super-distorted 7Artisans 10mm f/2.8 II ultra-wide prime is equally brilliant for astro and ...