Compare Pentax-D FA 70-210mm F4 vs Tamron 50-400mm F4.5-6.3 vs Tamron 11-20mm F/2.8
Construction
Aperture Blades
9 blades
9 blades, rounded aperture blades
7 blades
Colors
Black
Black
Black
Form Factor
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Distance scale
Lens Mount
Pentax K-mount
Sony E-mount, Sony E-mount
Sony E-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Linear Motor
Stepper motor
Optical Formula | Elements
20 elements
24 elements
12 elements
Optical Formula | Groups
14 groups
18 groups
10 groups
Optical Formula | Special Glass
2 anomalous dispersion and 3 ED elements + HD coating groups
2 aspherical + 1 XLD + 2 LD elements, BBAR-G2 coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
67 mm / 2.64 in
67 mm / 2.64 in
Size | Diameter
79 mm / 3.11 in
89 mm / 3.50 in
73 mm / 2.87 in
Size | Length
175 mm / 6.89 in
183 mm / 7.20 in
86 mm / 3.39 in
Weight
819 g / 28.94 oz
1155 g / 40.81 oz
335 g / 11.84 oz
Function
Angle Of View
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 7.9° Diagonal | 6.5° Horizontal | 4.4° Vertical (tele)
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical (wide) ~ 6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical (tele)
126.1° Diagonal | 117.1° Horizontal | 95.0° Vertical (wide) ~ 94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical (tele)
Aperture
f/4 ~ f/32
f/4.5–6.3 ~ f/22–32
f/2.8 ~ f/16
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
70 mm ~ 210 mm
50 mm ~ 400 mm
11 mm ~ 20 mm
Focal Length (35mm Equivalent)
105.0 mm ~ 315.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
Yes
No
Weather Resistance
Yes
Yes
Yes
Zoom Type
Internal zoom
External zoom
Performance
Max Magnification
0.32x
0.5x
0.25x
Min Focus Distance
950 mm / 37.40 in
250 mm / 9.84 in
150 mm / 5.91 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2020-01-22
2022-08-24
2021-04-22
Model Name
B060
Reviews
Neofiliac score
31%
59%
78%
Pros
- Weather-sealed
- Beautifully built
- Very useful focal range
- Optically stabilized
- Weather-sealed
- Versatile focal range
- Weather-sealed
- Excellent optical performance
- Good rendering
- Constant f/2.8 aperture
- Fast AF
Cons
- Dark maximum aperture
- Dark maximum aperture
- Long & heavy
- Questionable image quality of a superzoom
- Not the highest level of build
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