They differ in terms of glass type, cost, and index of refraction. Condenser lenses are higher-power objective lenses that increase illumination and resolution. These microscope lenses and objectives ...

To reduce distortions such as elongations and blurriness caused by the curvature of the "objective" lens—the convex lens at the far end of the telescope—Galileo ground a lens larger than he ...

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

Supplier: Electro Optical Components, Inc. Description: and higher numerical apertures. With resolution from 5 to 0.34 microns, these objectives can be used for wide applications such as repairing ...

Slightly more portable and less expensive than a thermal imaging binocular from the same manufacturer, can just the one lens ...

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.

Attending football games and tailgating is a ton of fun in general, but these four tech gadgets will improve your experience ...

What we got was a lineup of 15 spotters in a wide range of magnification, objective lenses, sizes, and purposes. Our plan? To ...

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.

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.

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 ...

What you hope to use your binoculars for will also impact the type you're looking for: If you primarily want to stargaze, for example, you'll want large objective lenses that will let in as much ...