Sentence examples for focus lenses from inspiring English sources
Different companies have taken a variety of approaches to variable focus lenses, including one that uses liquid crystals to make the adjustment.
The hundreds of manual focus lenses adaptable for D.S.L.R.'s vary in price from the unlikely Sears-branded variations for under $10 to limited editions of the legendary Leica Noctilux that can cost more than $10,000.
For those interested in experimenting with manual focus lenses, here are a few popular choices that can be found in excellent used condition on eBay or for slightly higher prices at camera shops that carry used gear.
Émile Joachim Constant Puyo, who started out as a soldier before becoming the leading French advocate of pictorialism, went so far as to devise soft focus lenses conceived to create an impressionistic blur.
For now, the K200D is my workhorse and the 50mm f/1.4 and 28mm manual focus lenses are sufficient enough.
Anyway, Lensbaby announced their new 0.42x Super Wide Lens attachment that works with the recently announced Composer, Muse, and Control Freak fixed focus lenses.
Correction principles of the dynamic focus lens and stigmator were researched in detail.
Spielberg used a long focus lens to make it appear the actors were closer to the propeller than they really were.
Wide-angle (and sometimes normal-focus) lenses for such cameras therefore use retrofocus designs.
General formulas for the calculation of optical power of individual tunable-focus lenses are derived.
As a result, many miniature cameras make do with fixed-focus lenses and simply forget about zooming.
