The aspheric profile used is frequently a conic surface of revolution about the lens axis, matched in design to the shape of the second surface. The shape of this lens produces a dramatic reduction of ...

Attaching conventional filters to a fisheye lens can be problematic due to the bulbous front element impeding a conventional ...

We mainly design and manufacture optical lenses,conversio,cylindrical lens,spherical lens,achromatical lens,grating,optical mirror,aspherical lens. Camera components ...

[9,46] If the central flattening is not excessive, regular RGP designs, spherical or aspherical, can be used. For more severe central flattening, special lenses with lens periphery steeper than ...

The super-wide, super-fast and super-distorted 7Artisans 10mm f/2.8 II ultra-wide prime is equally brilliant for astro and creative photography – and if that wasn't enough, it glows in the dark!

The best lenses for astrophotography are arguably the most important tools in your arsenal for getting clear, sharp images of the night sky. An astro lens needs to offer a wide-angle perspective, not ...

7Artisans suggests the lens should be good for applications like landscape, architecture and astrophotography. Recent Videos Optically, the 10mm F2.8 II comprises 11 elements in 8 groups, including ...

As a modern ... Designed for Canon’s RF-mount mirrorless full-frame cameras, the Canon RF 16mm F2.8 STM is a compact and lightweight ultra-wide lens for trekking, landscapes and architecture. It ...

Scale bar: 100 µm. B) Same as (A) for the 8.8 mm-long microendoscope. C) Molding procedure for the generation of corrective lens replica. Freshly prepared PDMS is casted onto a corrective aspherical ...

An 11-group, 16-element configuration that includes 4 aspherical lenses, 1 Super ED lens, and 3 ED lenses. This design maintains high-resolution from the centre to the edges while minimising ...