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