Compare Pentax-DA* 16-50mm F2.8 vs Pentax-DA 10-17mm F3.5-4.5 vs PENTAX-D FA 15-30mm F2.8
Construction
Aperture Blades
9 blades
6 blades
9 blades
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
Full-Frame
Lens Barrel
Distance scale
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Material
Magnesium alloy
Motor
Stepper motor
Screw drive from camera
Ultrasonic
Optical Formula | Elements
16 elements
10 elements
18 elements
Optical Formula | Groups
10 groups
8 groups
13 groups
Optical Formula | Special Glass
ED + anomalous glass + aspherical elements, HD coating groups
ED element, HD + Super Protective coatings groups
Three ED and aspherical elements + HD and SP coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
84 mm / 3.31 in
68 mm / 2.68 in
99 mm / 3.90 in
Size | Length
117 mm / 4.61 in
70 mm / 2.76 in
144 mm / 5.67 in
Weight
712 g / 25.16 oz
317 g / 11.20 oz
1040 g / 36.75 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
180° Diagonal (wide) ~ 100° Diagonal
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/3.5–4.5 ~ f/22–32
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
16 mm ~ 50 mm
10 mm ~ 17 mm
15 mm ~ 30 mm
Focal Length (35mm Equivalent)
24.0 mm ~ 75.0 mm
15.0 mm ~ 25.5 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
No
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.24x
0.39x
0.2x
Min Focus Distance
300 mm / 11.81 in
140 mm / 5.51 in
280 mm / 11.02 in
Production
Accessory
Lens Hood: PH-RBN77 (sold separately)
Lens hood included
Lens hood included
Debut
2021-07-14
2019-07-08
2016-02-17
Reviews
Neofiliac score
40%
31%
31%
Pros
- Weather-sealed
- Solid build quality
- Ultra-wide fisheye offers unique creative possibilities
- Constant f/2.8 aperture
- Great optical performance
- Weather-sealed
- Beautifully constructed
Cons
- Exterior designed like a 1990's lens
- External zoom without zoom lock
- Lens hood not included
- Expensive for APS-C
- Lacks front filter thread
- External zoom without zoom lock
- Lacks weather sealing
- Not the strongest optical performance
- Rather long
- On the heavy side
- Lacks front filter thread
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