Compare Pentax-FA645 35mm F3.5 vs Pentax-DA 645 28-45mm F4.5
![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 aperture
9 blades, Rounded blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Medium Format (645)
Medium Format (645)
Lens Barrel
Physical aperture ring, Distance scale
Distance scale
Lens Mount
Pentax 645 KAF2 bayonet
Pentax 645 KAF2 bayonet
Material
Metal
Optical Formula | Elements
10 elements
17 elements
Optical Formula | Groups
7 groups
12 groups
Optical Formula | Special Glass
HRI and hybrid aspherical elements, HD and SP coatings groups
HD and Aero Bright coatings groups
Dimensions
Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
88 mm / 3.46 in
99 mm / 3.90 in
Size | Length
90 mm / 3.54 in
152 mm / 5.98 in
Weight
570 g / 20.14 oz
1470 g / 51.94 oz
Function
Angle Of View
89.9° Diagonal | 79.4° Horizontal | 57.9° Vertical
102.6° Diagonal | 92.1° Horizontal | 69.3° Vertical (wide) ~ 75.6° Diagonal | 65.7° Horizontal | 46.5° Vertical (tele)
Aperture
f/3.5 ~ f/32
f/4.5 ~ f/32
Autofocus
Yes
Yes
Crop Factor
0.6
0.6
Focal Length
35 mm
28 mm ~ 45 mm
Focal Length (35mm Equivalent)
21.7 mm
17.4 mm ~ 27.9 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Weather Resistance
No
Yes
Zoom Type
Internal zoom
Performance
Max Magnification
0.25x
0.21x
Min Focus Distance
300 mm / 11.81 in
400 mm / 15.75 in
Production
Accessory
Lens Hood: PH-RBE82 (supplied)
Lens Hood: 38709 (supplied)
Debut
2015-11-11
2014-08-04
Reviews
Neofiliac score
68%
68%
Pros
- 0.25x reproduction ratio
- Rather compact for what it is
- Comes with physical aperture ring
- Superb image quality
- Optically stabilized
- Internal zoom
- Weather-sealed
- Solidly built
Cons
- Lacks weather sealing
- Dark maximum aperture
- Large and heavy
- Rather expensive
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