Compare Pentax DA 16-85mm F3.5-5.6 vs Pentax-D FA 24-70mm 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
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Motor
Ultrasonic
Optical Formula | Elements
16 elements
17 elements
Optical Formula | Groups
12 groups
12 groups
Optical Formula | Special Glass
HD, Super Protect coatings groups
Three ED + four aspherical elements + HD Coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
82 mm / 3.23 in
Size | Diameter
78 mm / 3.07 in
89 mm / 3.50 in
Size | Length
94 mm / 3.70 in
110 mm / 4.33 in
Weight
488 g / 17.24 oz
787 g / 27.81 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) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/3.5–5.6 ~ f/22–38
f/2.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
16 mm ~ 85 mm
24 mm ~ 70 mm
Focal Length (35mm Equivalent)
24.0 mm ~ 127.5 mm
Focus Type
Extending front
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.26x
0.2x
Min Focus Distance
350 mm / 13.78 in
380 mm / 14.96 in
Production
Accessory
Lens Hood: PR-RBA72 (supplied)
Lens Hood: PH-RBD82 (supplied)
Debut
2014-10-29
2015-09-24
Reviews
Neofiliac score
50%
59%
Pros
- Weather-sealed
- Weather-sealed
- Good autofocus performance
- Well priced for f/2.8 standard zoom
Cons
- Not the best image quality
- Not the best build from Pentax
- External zoom without zoom lock
- Not as well built as newer Pentax lenses
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