Compare Pentax D-FA 645 Macro 90mm F2.8 vs Fujifilm GF 120mm F4 Macro vs Fujifilm GF 45mm F2.8
Construction
Aperture Blades
9 blades
9 blades, Rounded blades
9 blades
Colors
Black
Form Factor
Normal Prime Lens
Short Telephoto Prime Lens
Short Telephoto Prime Lens
Image Size
Medium Format (645)
Medium Format (44x33)
Medium Format
Lens Barrel
Physical aperture ring
Physical aperture ring
Lens Mount
Pentax 645 KAF2 bayonet
Fujifilm G-mount
Fujifilm G-mount
Material
Magnesium alloy
Motor
Linear Motor
Optical Formula | Elements
11 elements
14 elements
11 elements
Optical Formula | Groups
9 groups
9 groups
8 groups
Optical Formula | Special Glass
3 ED elements groups
One aspherical, two ED elements + Nano GI, fluorine coatings groups
Dimensions
Filter Diameter
67 mm / 2.64 in
72 mm / 2.83 in
62 mm / 2.44 in
Size | Diameter
91 mm / 3.58 in
89 mm / 3.50 in
84 mm / 3.31 in
Size | Length
117 mm / 4.61 in
153 mm / 6.02 in
88 mm / 3.46 in
Weight
1040 g / 36.75 oz
980 g / 34.63 oz
490 g / 17.31 oz
Function
Angle Of View
42.4° Diagonal | 35.8° Horizontal | 24.3° Vertical
32.4° Diagonal | 27.2° Horizontal | 18.3° Vertical
62.6° Diagonal
Aperture
f/2.8 ~ f/22
f/4 ~ f/32
f/2.8 ~ f/32
Autofocus
Yes
Yes
Crop Factor
0.6
0.8
0.8
Focal Length
90 mm
120 mm
45 mm
Focal Length (35mm Equivalent)
55.8 mm
74.4 mm
36 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.5x
0.5x
0.14x
Min Focus Distance
410 mm / 16.14 in
450 mm / 17.72 in
450 mm / 17.72 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2012-09-10
2017-01-19
2017-09-07
Reviews
Neofiliac score
59%
80%
71%
Pros
- 0.5x reproduction ratio
- Optically stabilized
- Great resolution
- Superb image quality
- Optically stabilized
- Weather-sealed
- Comes with physical aperture ring
- 0.5x reproduction ratio
- Relatively lightweight and compact
- Weather-sealed
- Comes with physical aperture ring
- Well made
Cons
- Large and heavy
- Very expensive
- Dark maximum aperture
- Large and heavy
- Slow autofocus
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