Pentax smc D FA 645 90 mm f/2.8 MACRO ED AW SR
Pentax Sep 2012
Pentax Medium format

Pentax smc D FA 645 90 mm f/2.8 MACRO ED AW SR

This is a medium-format prime lens for Pentax 645, covering 90 mm and a maximum aperture of f/2.8. Released in 2012, it weighs 1040 g, is weather-sealed and includes optical stabilization. That combination suits macro and portrait photography.

It is a prime lens designed for medium format cameras. This short telephoto prime lens features a f/2.8 maximum aperture, making it ideal for portrait, events, macro, close-up. The optical design incorporates 11 elements / 9 groups, ensuring sharp image quality and minimal distortion. Despite its robust professional construction, the lens delivers exceptional optical performance.

f/2.8
Aperture
90mm
Focal
1040 g
Weight
Sep 2012
Released
launch price
$4,499.95
photographyblog.com ↗·checked Oct 2026
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Good for macroportrait
Events Close-up
§ 01

Specification

Manufacturer data
Focal length
90 mm
Maximum aperture
f/2.8
Minimum aperture
f/22
Number of diaphragm blades
9
Optical construction
11 elements / 9 groups
Minimum focusing distance
0.413 m (16.26 inches)
Filter size
67 mm
Lens mount
Pentax 645
Dimensions
111.6 x 90.5 mm
Weight
1040 g (36.68 oz)
Lens type
Prime lens
Image stabilization
Yes
Max Format size
Medium format
Aperture ring
No
Weather sealing
Yes
Usage
Portrait, Events, Macro, Close-up

Wide open at 2 m, background blur ≈ 4.2% of the frame width

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§ 03

Video reviews

3 on YouTube
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