Compare Pentax-DA* 16-50mm F2.8 vs Pentax-D FA 70-210mm F4
Construction
Aperture Blades
9 blades
9 blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
Super Telephoto Zoom Lens
Image Size
APS-C
APS-C
Lens Barrel
Focus limiter, Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Stepper motor
Ring-type ultrasonic
Optical Formula | Elements
16 elements
20 elements
Optical Formula | Groups
10 groups
14 groups
Optical Formula | Special Glass
ED + anomalous glass + aspherical elements, HD coating groups
2 anomalous dispersion and 3 ED elements + HD coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
84 mm / 3.31 in
79 mm / 3.11 in
Size | Length
117 mm / 4.61 in
175 mm / 6.89 in
Weight
712 g / 25.16 oz
819 g / 28.94 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)
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 7.9° Diagonal | 6.5° Horizontal | 4.4° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/4 ~ f/32
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
16 mm ~ 50 mm
70 mm ~ 210 mm
Focal Length (35mm Equivalent)
24.0 mm ~ 75.0 mm
105.0 mm ~ 315.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Internal zoom
Performance
Max Magnification
0.24x
0.32x
Min Focus Distance
300 mm / 11.81 in
950 mm / 37.40 in
Production
Accessory
Lens Hood: PH-RBN77 (sold separately)
Lens hood included
Debut
2021-07-14
2020-01-22
Reviews
Neofiliac score
40%
31%
Pros
- Weather-sealed
- Solid build quality
- Weather-sealed
- Beautifully built
- Very useful focal range
Cons
- Exterior designed like a 1990's lens
- External zoom without zoom lock
- Lens hood not included
- Expensive for APS-C
- Dark maximum aperture
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