Porst 135mm f/2.8 Tele MC auto D
Porst 135mm f/2.8 Tele MC auto D is a camera glass with a focal length of 135mm and an aperture of f/2.8. It has a manual focus system and can be used on full frame cameras. The lens has six aperture blades which provide a rounder out of focus circle shape. The lens is quite long, measuring 87mm, and weighs 334 grams. It has a 55mm filter diameter. The lens has a multi-coating on its glass elements which helps to reduce reflections and increase contrast. The manufacturing time of this lens is not specified. The lens has a good build quality and produces sharp images with high resolution. The lens has a nice bokeh effect due to its aperture value. There are alternatives to this lens available on the market.
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. Bright lens thanks to the high aperture value
Physical characteristics
Weights 334 grams so plan ahead, carry only if really necessary. With a lens filter diameter of 55 mm commonly filter size, offers a wide range of filter options. 87 mm long, requires consideration if you want to carry in the camera bag.
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