Asanuma 17mm f/3.5

The Asanuma 17mm f/3.5 camera glass is a wide angle photographic lens with manual focus. It has a good build quality and resolution. The lens has an aperture of f/3.5 and 6 aperture blades, which is average for this type of lens. The lens coating is not mentioned, but it has lens elements that provide good optics. The lens is manufactured in a reasonable amount of time. The bokeh (out of focus areas) is not mentioned. There are alternative lenses available with autofocus or different aperture settings.

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. Average brightness in this league

Physical characteristics

72 mm lens filter diameter, commonly filter size, you have plenty of possibilities this lens deserves a good quality filter. 80 mm long, requires consideration if you want to carry in the camera bag. Weights 330 grams so plan ahead, carry only if really necessary.



Blades 6
Filter (mm) 72
Length (mm) 80
Min focus (m) 0.22
Weight (g) 330
Aperture 3.5/16
Focal Length (mm) 17

Overall rating

based on 3 reviews

bokeh (3)

mechanical quality (3.67)

optical quality (3.67)

usability (3.67)

value (3)


1 review for Asanuma 17mm f/3.5


    3 user rated as 3.67/5

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