Compare Pentax DA 16-85mm F3.5-5.6 vs Pentax-DA* 16-50mm F2.8
Construction
Aperture Blades
7 blades, Rounded aperture
9 blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
Lens Mount
Pentax K-mount
Pentax K-mount
Material
Magnesium alloy
Motor
Stepper motor
Optical Formula | Elements
16 elements
16 elements
Optical Formula | Groups
12 groups
10 groups
Optical Formula | Special Glass
HD, Super Protect coatings groups
ED + anomalous glass + aspherical elements, HD coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
77 mm / 3.03 in
Size | Diameter
78 mm / 3.07 in
84 mm / 3.31 in
Size | Length
94 mm / 3.70 in
117 mm / 4.61 in
Weight
488 g / 17.24 oz
712 g / 25.16 oz
Function
Angle Of View
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/3.5–5.6 ~ f/22–38
f/2.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
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
Extending front
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.26x
0.24x
Min Focus Distance
350 mm / 13.78 in
300 mm / 11.81 in
Production
Accessory
Lens Hood: PR-RBA72 (supplied)
Lens Hood: PH-RBN77 (sold separately)
Debut
2014-10-29
2021-07-14
Reviews
Neofiliac score
50%
40%
Pros
- Weather-sealed
- Weather-sealed
- Solid build quality
Cons
- 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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