Compare Pentax-D FA* 70-200mm F2.8 vs Pentax DA 16-85mm F3.5-5.6 vs Pentax-DA* 16-50mm F2.8
Construction
Aperture Blades
9 blades, Rounded (f/2.8-5.6)
7 blades, Rounded aperture
9 blades
Colors
Black or Silver
Black
Black
Form Factor
Telephoto Zoom Lens
Standard Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Material
Magnesium alloy
Motor
Stepper motor
Optical Formula | Elements
19 elements
16 elements
16 elements
Optical Formula | Groups
16 groups
12 groups
10 groups
Optical Formula | Special Glass
HD, AB, Super Protect coatings groups
HD, Super Protect coatings groups
ED + anomalous glass + aspherical elements, HD coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
72 mm / 2.83 in
77 mm / 3.03 in
Size | Diameter
92 mm / 3.62 in
78 mm / 3.07 in
84 mm / 3.31 in
Size | Length
203 mm / 7.99 in
94 mm / 3.70 in
117 mm / 4.61 in
Weight
1755 g / 62.01 oz
488 g / 17.24 oz
712 g / 25.16 oz
Function
Angle Of View
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 19.3° Diagonal | 16.1° Horizontal | 10.8° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/3.5–5.6 ~ f/22–38
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
70 mm ~ 200 mm
16 mm ~ 85 mm
16 mm ~ 50 mm
Focal Length (35mm Equivalent)
24.0 mm ~ 127.5 mm
24.0 mm ~ 75.0 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
External zoom
Performance
Max Magnification
0.13x
0.26x
0.24x
Min Focus Distance
1200 mm / 47.24 in
350 mm / 13.78 in
300 mm / 11.81 in
Production
Accessory
Lens Hood: PH-RBM77 (supplied)
Lens Hood: PR-RBA72 (supplied)
Lens Hood: PH-RBN77 (sold separately)
Debut
2015-02-04
2014-10-29
2021-07-14
Reviews
Neofiliac score
40%
50%
40%
Pros
- Superb image quality
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Very nice construction
- Well priced
- Weather-sealed
- Weather-sealed
- Solid build quality
Cons
- Large and heavy
- Not the best image quality
- Not the best build from Pentax
- External zoom without zoom lock
- Exterior designed like a 1990's lens
- External zoom without zoom lock
- Lens hood not included
- Expensive for APS-C
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