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August 2006 - Posts

Prisms: Prisms are, as you might say, a necessary evil in optical design. It if weren’t for our unreasonable prejudice for seeing the world right side up and right way around we wouldn’t need prisms in binoculars and spotting scopes at all. You might Read More
The Truth About Quality One reason Zeiss products are “better” than run-of-the-mill optics is the amount of hand labor involved in their manufacture and assembly. Beginning at the design stage, experienced product managers and market specialists meet Read More
The Truth about Contrast Full Natural Contrast Range Image Contrast in Zeiss Victory FL Binoculars and the Competition Stephen Ingraham: Zeiss Birding and Naturalist Product Specialist Critical observers sometimes comment on the difference in “contrast” Read More
The Truth about Housings Okay, so there is just no glamorous way to say this. Housing materials matter. In the design phase of a binocular or spotting scope, as much consideration is given to the housing and materials as is given to the optical train. Read More
The Truth about Color Fringing White light, ordinary daylight, is a mixture of all the individual colors in the rainbow. When light passes through glass, even the glass of the best lens, each color of light is bent at a slightly different angle, so that Read More