Triplet lens - lens consisting basically of three elements, a diverging lens sandwiched between two converging lenses. Tripod - three legged camera support. The legs usually feature sections that permit height adjustments. T setting - see T (Time).
Tessar lens A famous German non symmetrical lens design by Zeiss. It is based on the triplet lens. Search SWPP and BPPA Information provided by: SWPP BPPA More Photographic Terms ...
See also: Tessar lens, Lens, Oxidation, Opaque, Reduction
 
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