Compare Pentax-DA* 16-50mm 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
6 blades
7 blades
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Nikon Z-mount
Material
Magnesium alloy
Motor
Stepper motor
Screw drive from camera
Stepper motor
Optical Formula | Elements
16 elements
12 elements
16 elements
Optical Formula | Groups
10 groups
8 groups
12 groups
Optical Formula | Special Glass
ED + anomalous glass + aspherical elements, HD coating 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
84 mm / 3.31 in
71 mm / 2.80 in
74 mm / 2.91 in
Size | Length
117 mm / 4.61 in
112 mm / 4.41 in
110 mm / 4.33 in
Weight
712 g / 25.16 oz
466 g / 16.47 oz
405 g / 14.31 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)
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
1.5
Focal Length
16 mm ~ 50 mm
55 mm ~ 300 mm
50 mm ~ 250 mm
Focal Length (35mm Equivalent)
24.0 mm ~ 75.0 mm
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
External zoom
External zoom
Performance
Max Magnification
0.24x
0.28x
0.23x
Min Focus Distance
300 mm / 11.81 in
1400 mm / 55.12 in
500 mm / 19.69 in
Production
Accessory
Lens Hood: PH-RBN77 (sold separately)
Lens Hood: PH-RBI 58mm (supplied)
Debut
2021-07-14
2013-10-07
2019-10-10
Reviews
Neofiliac score
40%
50%
50%
Pros
- Weather-sealed
- Solid build quality
- Weather-sealed
- Great price for the price
- Optically stabilized
- Great telephoto reach
Cons
- Exterior designed like a 1990's lens
- External zoom without zoom lock
- Lens hood not included
- Expensive for APS-C
- 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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