Compare Pentax-DA 10-17mm F3.5-4.5 vs Pentax-D FA 70-210mm F4 vs Pentax-FA 77mm F1.8
Construction
Aperture Blades
6 blades
9 blades
9 blades
Colors
Black
Black
Black, silver
Form Factor
Ultra Wide-Angle Zoom Lens
Super Telephoto Zoom Lens
Short Telephoto Prime Lens
Image Size
APS-C
APS-C
Full-Frame
Lens Barrel
Distance scale
Focus limiter, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Material
Magnesium alloy
Aluminum
Motor
Screw drive from camera
Ring-type ultrasonic
Screw drive from camera
Optical Formula | Elements
10 elements
20 elements
7 elements
Optical Formula | Groups
8 groups
14 groups
6 groups
Optical Formula | Special Glass
ED element, HD + Super Protective coatings groups
2 anomalous dispersion and 3 ED elements + HD coating groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
67 mm / 2.64 in
49 mm / 1.93 in
Size | Diameter
68 mm / 2.68 in
79 mm / 3.11 in
64 mm / 2.52 in
Size | Length
70 mm / 2.76 in
175 mm / 6.89 in
48 mm / 1.89 in
Weight
317 g / 11.20 oz
819 g / 28.94 oz
270 g / 9.54 oz
Function
Angle Of View
180° Diagonal (wide) ~ 100° Diagonal
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 7.9° Diagonal | 6.5° Horizontal | 4.4° Vertical (tele)
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
Aperture
f/3.5–4.5 ~ f/22–32
f/4 ~ f/32
f/1.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
10 mm ~ 17 mm
70 mm ~ 210 mm
77 mm
Focal Length (35mm Equivalent)
15.0 mm ~ 25.5 mm
105.0 mm ~ 315.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes
No
Zoom Type
External zoom
Internal zoom
Performance
Max Magnification
0.39x
0.32x
0.14x
Min Focus Distance
140 mm / 5.51 in
950 mm / 37.40 in
700 mm / 27.56 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2019-07-08
2020-01-22
2021-02-24
Reviews
Neofiliac score
31%
31%
68%
Pros
- Ultra-wide fisheye offers unique creative possibilities
- Weather-sealed
- Beautifully built
- Very useful focal range
- Rather compact
- Beautifully crafted
- Comes with physical aperture ring
- Good image quality
- Smooth rendering
Cons
- Lacks front filter thread
- External zoom without zoom lock
- Lacks weather sealing
- Not the strongest optical performance
- Dark maximum aperture
- Lacks weather sealing
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