Sigma MF 300mm f/4

Sigma MF 300mm f/4 is a manual focus ultra telephoto lens for full frame 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. Great choice mainly for good light conditions

Physical characteristics

Weights 835 grams so it is a heavy lens, consider using its own lens bag. 168 mm long, with this size carry only if you use it. With a lens filter diameter of 77 mm this lens deserves a good quality filter, this is commonly filter size, presents numerous filter possibilities.