The Canon PowerShot Zoom digital monocular can take 12MP stills and can record HD video. But can it match the quality and ...

We conducted a test to discover the best scope for a .30-30 rifle. This might seem odd when it seems all anyone wants to do ...

Save $79 on a pair of the best binoculars for stargazing, the Celestron Nature DX 12x56 are 29% off at Amazon. Their ...

Black, Peter and Black, Tina Arbon 2020. Fundamentals of ophthalmic dispensing 10: Single vision lens design – part 1. Optician, Vol. 2020, Issue. 7, p. 8293-1.

The most familiar type of telescope is the refractor. It uses two lenses, one to collect the light and form an image, called ...

Turn the coarse focus so that the stage is as close to the objective lens as possible ... where the light passes through. Draw a low power image or record a digital image of what you see.

The most familiar type of telescope is the refractor. It uses two lenses: one to collect the light and form an image, called ...

The best binoculars for stargazing need high magnification and large, light-hungry objective lenses — check out our favorites ahead of Amazon Prime Big Deal Days. Ideally, the best binoculars ...

The best iPhone lenses are a sure fire way to take your iPhone photography up a level. Sure, the iPhone 15 Pro has a 48MP sensor, which sounds great on paper, right? Well, ask any professional ...

Canon's latest lens for its RF mirrorless camera system fills a very important gap in its lens catalog: a mid-priced standard zoom with professional-grade f/2.8 optics. Its RF 28-70mm F2.8 IS STM ...

ZEISS Medical Technology today announced the broad U.S. distribution of the MICOR® 700 from ZEISS, reinventing lens ...