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Compare Fujifilm GF 45mm F2.8 vs Fujifilm GF 23mm F4 vs Pentax-FA645 35mm F3.5

Construction

Aperture Blades
9 blades
9 blades, Rounded blades
9 blades, Rounded aperture
Colors
Black
Form Factor
Short Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format
Medium Format (44x33)
Medium Format (645)
Lens Barrel
Physical aperture ring
Physical aperture ring
Physical aperture ring, Distance scale
Lens Mount
Fujifilm G-mount
Fujifilm G-mount
Pentax 645 KAF2 bayonet
Material
Magnesium alloy
Motor
Linear Motor
Optical Formula | Elements
11 elements
15 elements
10 elements
Optical Formula | Groups
8 groups
12 groups
7 groups
Optical Formula | Special Glass
One aspherical, two ED elements + Nano GI, fluorine coatings groups
2 aspherical, 3 extra-low dispersion, 1 super ED groups
HRI and hybrid aspherical elements, HD and SP coatings groups

Dimensions

Filter Diameter
62 mm / 2.44 in
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
84 mm / 3.31 in
90 mm / 3.54 in
88 mm / 3.46 in
Size | Length
88 mm / 3.46 in
103 mm / 4.06 in
90 mm / 3.54 in
Weight
490 g / 17.31 oz
845 g / 29.86 oz
570 g / 20.14 oz

Function

Angle Of View
62.6° Diagonal
99.9° Diagonal
89.9° Diagonal | 79.4° Horizontal | 57.9° Vertical
Aperture
f/2.8 ~ f/32
f/4 ~ f/32
f/3.5 ~ f/32
Autofocus
Yes
Yes
Yes
Crop Factor
0.8
0.8
0.6
Focal Length
45 mm
23 mm
35 mm
Focal Length (35mm Equivalent)
36 mm
18 mm
21.7 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
No

Performance

Max Magnification
0.14x
0.09x
0.25x
Min Focus Distance
450 mm / 17.72 in
380 mm / 14.96 in
300 mm / 11.81 in

Production

Accessory
Lens hood included
Lens hood included
Lens Hood: PH-RBE82 (supplied)
Debut
2017-09-07
2017-04-19
2015-11-11

Reviews

Neofiliac score
71%
80%
68%
Pros
  • Relatively lightweight and compact
  • Weather-sealed
  • Comes with physical aperture ring
  • Well made
  • Weather-sealed
  • Comes with physical aperture ring
  • Very sharp
  • 0.25x reproduction ratio
  • Rather compact for what it is
  • Comes with physical aperture ring
Cons
  • Slow autofocus
  • Quite heavy
  • Dark maximum aperture
  • Lacks weather sealing

Price

Offers (incl. referral links)
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