A 2″ eyepiece delivers a wider true field of view (the actual amount of sky visible ... circular opening in front of the eyepiece’s front (or field) lens. The bigger the field stop, the ...

In short, the smaller the focal length, the wider the angle of view and the more 'wide-angle' the lens. The larger the focal ...

The AstrHori 6.5mm f/2 fisheye is a fully manual lens for APS-C Sony E, Fuji X, Nikon Z, Canon RF and Micro Four Thirds ...

We spent a full year testing nearly 40 X-mount lenses to figure out which ones make the most sense for Fujifilm shooters.

Additionally, with a 4X lens on a 35 mm sensor, the field of view is about 9 mm so you have to have a steady hand just to keep everything in frame. [Micael] also bracketed the focus to get several ...

GoPro is now shipping the new Anamorphic Lens Mod for its Hero 13 Black camera, which allows creators to record in a wider field of view without complex editing. The $129.99 anamorphic lens uses ...

Bigscreen today announced its next-gen Beyond PC VR headset, promising a big boost in field-of-view (FOV) and clarity thanks to the inclusion of new pancake lenses. Bigscreen is also making the ...