Compare Pentax-D FA* 70-200mm F2.8 vs Pentax DA 55-300mm F4.0-5.8 vs Nikon Z DX 50-250mm F4.5-6.3
Construction
Aperture Blades
9 blades, Rounded (f/2.8-5.6)
6 blades
7 blades
Colors
Black or Silver
Black
Black
Form Factor
Telephoto Zoom Lens
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Nikon Z-mount
Motor
Screw drive from camera
Stepper motor
Optical Formula | Elements
19 elements
12 elements
16 elements
Optical Formula | Groups
16 groups
8 groups
12 groups
Optical Formula | Special Glass
HD, AB, Super Protect coatings groups
ED glass elements groups
1 ED element, Super Integrated Coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
58 mm / 2.28 in
62 mm / 2.44 in
Size | Diameter
92 mm / 3.62 in
71 mm / 2.80 in
74 mm / 2.91 in
Size | Length
203 mm / 7.99 in
112 mm / 4.41 in
110 mm / 4.33 in
Weight
1755 g / 62.01 oz
466 g / 16.47 oz
405 g / 14.31 oz
Function
Angle Of View
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (tele)
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 6.6° Diagonal | 5.5° Horizontal | 3.7° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/4–5.8 ~ f/22–32
f/4.5–6.3 ~ f/16
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
70 mm ~ 200 mm
55 mm ~ 300 mm
50 mm ~ 250 mm
Focal Length (35mm Equivalent)
82.5 mm ~ 450.0 mm
75.0 mm ~ 375.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Yes (5 stops)
Weather Resistance
Yes
Yes
No
Zoom Type
External zoom (zoom lock available)
External zoom
External zoom
Performance
Max Magnification
0.13x
0.28x
0.23x
Min Focus Distance
1200 mm / 47.24 in
1400 mm / 55.12 in
500 mm / 19.69 in
Production
Accessory
Lens Hood: PH-RBM77 (supplied)
Lens Hood: PH-RBI 58mm (supplied)
Debut
2015-02-04
2013-10-07
2019-10-10
Reviews
Neofiliac score
40%
50%
50%
Pros
- Superb image quality
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Very nice construction
- Well priced
- Weather-sealed
- Great price for the price
- Optically stabilized
- Great telephoto reach
Cons
- Large and heavy
- Dark and variable maximum aperture
- External zoom without zoom lock
- Not the best from Pentax
- Dark maximum aperture
- External zoom without zoom lock
- Lacks weather sealing
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