Pentax offers two 165mm lenses for the 67 series cameras: a 165mm f/2.8 and a 165mm f/4 LS. The f/2.8 lens is commonly used for portraiture and is popular because of its f/2.8 maximum aperture. The 67 body offers a maximum flash sync speed of 1/30sec.
Pentax lenses have been developed using the latest in computer-assisted optical design technology. Lens surfaces are treated with Pentax's exclusive Super-Multi-Coating for sharp, high-contrast images
Built-in leaf shutter allows flash-sync up to 1/500sec.
Extremely useful for outdoor balanced fill-flash photography
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
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
f/Stop Range
f/4 - 32 with 1/2 stop calibrations and stop-down preview feature
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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