Obturador do tipo folha embutido permite sincronismo de flash de até 1/500 de segundo
Extremamente útil para fotografia "fill-flash" equilibrada em ambiente externo
The 165mm f/4 LS (Leaf-Shutter) lens incorporates its own shutter mechanism which allows the use of a flash at speeds up to 1/500sec
This is the only leaf-shutter lens in the 67 system, and is an essential item when balance fill flash shots are required
The 165mm f/4 LS lens can also be used as a non-LS lens in the manner of other 67 lenses
Distância Focal Equivalente a 35mm
82mm
Angle of View @ Infinity
30°
Tamanho do Filtro
77mm
Elementos/Grupos
5/4
Shutter
Focal plane shutter built-in to all Pentax model 67 camera bodies. Speeds from 1/1000 to 1 second (4 seconds on 67II) B and T. This 165mm f/4 LS (Leaf-Shutter) lens offers additional flash-sync speeds of 1/60, 1/125, 1/250 and 1/500th sec; The camera body shutter speed must be set to 1/30sec or lower when using the LS lens leaf shutter; Use of the leaf shutter mechanism is not necessary and this lens can function in the manor of standard 67 lenses
Faixa de f/Stop
f/4 - 32 com calibragens de 1/2 ponto e recurso de preview de diminuição
Flash Synchronization
TTL-OTF dedicated flash possible with 67II model in conjunction with optional 67II Hot-shoe Grip. Standard PC socket on body of all 67 camera models for electronic flash connection. Flash sync on all models possible at speeds of 1/30sec and lower. With the Leaf Shutter 165mm f/4 lens, electronic flash sync is possible up to 1/500sec.
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