Product
Kaleinar-3 150mm f/2.8 is a manual focus telephoto lens for medium format slr cameras.
Optical design
Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. With high brightness value, it has the ability to collect light even in poor lighting conditions
Physical characteristics
105 mm long, requires consideration if you want to carry in the camera bag. With a lens filter diameter of 82 mm lens filters in this range can be expensive, purchase lens – and filter – only if you plan to keep them for long time, make a try with used ones. Weights 1150 grams so it is a heavy lens, consider using its own lens bag.
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