HomeArticlesProductsKeywordsCompanies

Compare Fujifilm GF 45-100mm F4 vs Pentax-DA 645 28-45mm F4.5 vs Pentax-FA645 35mm F3.5

Construction

Aperture Blades
9 blades
9 blades, Rounded blades
9 blades, Rounded aperture
Colors
Black
Black
Form Factor
Zoom Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format (44x33)
Medium Format (645)
Medium Format (645)
Lens Barrel
Physical aperture ring
Distance scale
Physical aperture ring, Distance scale
Lens Mount
Fujifilm G-mount
Pentax 645 KAF2 bayonet
Pentax 645 KAF2 bayonet
Material
Magnesium alloy
Metal
Motor
Linear Motor
Optical Formula | Elements
16 elements
17 elements
10 elements
Optical Formula | Groups
2 groups
12 groups
7 groups
Optical Formula | Special Glass
1 ED, 1 super ED, 3 aspherical elements groups
HD and Aero Bright coatings groups
HRI and hybrid aspherical elements, HD and SP coatings groups

Dimensions

Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
93 mm / 3.66 in
99 mm / 3.90 in
88 mm / 3.46 in
Size | Length
145 mm / 5.71 in
152 mm / 5.98 in
90 mm / 3.54 in
Weight
1005 g / 35.51 oz
1470 g / 51.94 oz
570 g / 20.14 oz

Function

Angle Of View
62.7° Diagonal | 53.7° Horizontal | 37.3° Vertical (wide) ~ 30.7° Diagonal | 25.7° Horizontal | 17.3° Vertical (tele)
102.6° Diagonal | 92.1° Horizontal | 69.3° Vertical (wide) ~ 75.6° Diagonal | 65.7° Horizontal | 46.5° Vertical (tele)
89.9° Diagonal | 79.4° Horizontal | 57.9° Vertical
Aperture
f/4 ~ f/32
f/4.5 ~ f/32
f/3.5 ~ f/32
Autofocus
Yes
Yes
Yes
Crop Factor
0.8
0.6
0.6
Focal Length
45 mm ~ 100 mm
28 mm ~ 45 mm
35 mm
Focal Length (35mm Equivalent)
35.6 mm ~ 79.0 mm
17.4 mm ~ 27.9 mm
21.7 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes (5 stops)
Yes
No
Weather Resistance
Yes
Yes
No
Zoom Type
External zoom
Internal zoom

Performance

Max Magnification
0.13x
0.21x
0.25x
Min Focus Distance
650 mm / 25.59 in
400 mm / 15.75 in
300 mm / 11.81 in

Production

Accessory
Lens hood included
Lens Hood: 38709 (supplied)
Lens Hood: PH-RBE82 (supplied)
Debut
2020-01-23
2014-08-04
2015-11-11

Reviews

Neofiliac score
52%
68%
68%
Pros
  • Superb image quality
  • Optically stabilized
  • Weather-sealed
  • Comes with physical aperture ring
  • Superb image quality
  • Optically stabilized
  • Internal zoom
  • Weather-sealed
  • Solidly built
  • 0.25x reproduction ratio
  • Rather compact for what it is
  • Comes with physical aperture ring
Cons
  • Dark and variable maximum aperture
  • Very large and heavy
  • External zoom without zoom lock
  • Dark maximum aperture
  • Large and heavy
  • Rather expensive
  • Lacks weather sealing

Price

Offers (incl. referral links)
Remove
Remove
Remove
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.