Compare Fujifilm GF 20-35mm F4 vs Pentax-FA645 35mm F3.5
![Pentax smc Pentax-FA645 35mm F3.5 AL [IF] Medium Format Lens (2015)](/x/P/89/56/1643396865_t.jpg)
Construction
Aperture Blades
9 blades, Rounded blades
9 blades, Rounded aperture
Colors
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format (44x33)
Medium Format (645)
Lens Barrel
Physical aperture ring
Physical aperture ring, Distance scale
Lens Mount
Fujifilm G-mount
Pentax 645 KAF2 bayonet
Optical Formula | Elements
14 elements
10 elements
Optical Formula | Groups
10 groups
7 groups
Optical Formula | Special Glass
Three aspherical, one aspherical extra-low dispersion (ED), three ED elements. groups
HRI and hybrid aspherical elements, HD and SP coatings groups
Dimensions
Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
89 mm / 3.50 in
88 mm / 3.46 in
Size | Length
113 mm / 4.45 in
90 mm / 3.54 in
Weight
725 g / 25.62 oz
570 g / 20.14 oz
Function
Angle Of View
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical (wide) ~ 76.1° Diagonal | 66.1° Horizontal | 46.9° Vertical (tele)
89.9° Diagonal | 79.4° Horizontal | 57.9° Vertical
Aperture
f/4 ~ f/22
f/3.5 ~ f/32
Autofocus
Yes
Yes
Crop Factor
0.8
0.6
Focal Length
20 mm ~ 35 mm
35 mm
Focal Length (35mm Equivalent)
15.8 mm ~ 27.7 mm
21.7 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
Yes
No
Zoom Type
Internal zoom
Performance
Max Magnification
0.25x
Min Focus Distance
350 mm / 13.78 in
300 mm / 11.81 in
Production
Accessory
Lens Hood: PH-RBE82 (supplied)
Debut
2022-09-08
2015-11-11
Reviews
Neofiliac score
89%
68%
Pros
- Internal zoom
- Weather-sealed
- Comes with physical aperture ring
- Superb build quality
- Great image quality
- 0.25x reproduction ratio
- Rather compact for what it is
- Comes with physical aperture ring
Cons
- Not the brightest
- Lacks weather sealing
Remove
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Related Products
![Pentax smc Pentax-FA645 35mm F3.5 AL [IF] Medium Format Lens (2015)](/x/P/89/56/1643396865_i.jpg)
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