Compare Pentax DA 55-300mm F4.0-5.8 vs Pentax DA 50mm F1.8 vs Pentax-FA 43mm F1.9
Construction
Aperture Blades
6 blades
8 blades
8 blades
Colors
Black
Black
Black, silver
Form Factor
Super Telephoto Zoom Lens
Normal Prime Lens
Normal Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Screw drive from camera
Ultrasonic
Screw drive from camera
Optical Formula | Elements
12 elements
6 elements
7 elements
Optical Formula | Groups
8 groups
5 groups
6 groups
Optical Formula | Special Glass
ED glass elements groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
58 mm / 2.28 in
52 mm / 2.05 in
49 mm / 1.93 in
Size | Diameter
71 mm / 2.80 in
63 mm / 2.48 in
64 mm / 2.52 in
Size | Length
112 mm / 4.41 in
39 mm / 1.54 in
27 mm / 1.06 in
Weight
466 g / 16.47 oz
122 g / 4.31 oz
155 g / 5.48 oz
Function
Angle Of View
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
53.4° Diagonal | 45.4° Horizontal | 31.2° Vertical
Aperture
f/4–5.8 ~ f/22–32
f/1.8 ~ f/22
f/1.9 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
55 mm ~ 300 mm
50 mm
43 mm
Focal Length (35mm Equivalent)
82.5 mm ~ 450.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
No
No
Zoom Type
External zoom
Performance
Max Magnification
0.28x
0.12x
Min Focus Distance
1400 mm / 55.12 in
450 mm / 17.72 in
Production
Accessory
Lens Hood: PH-RBI 58mm (supplied)
Lens Hood: RH-RA (sold separately)
Lens hood included
Debut
2013-10-07
2012-05-21
2021-02-24
Reviews
Neofiliac score
50%
59%
68%
Pros
- Weather-sealed
- Great price for the price
- Very compact and lightweight
- Comes with physical aperture ring
- Compact and lightweight
- Comes with physical aperture ring
Cons
- Dark and variable maximum aperture
- External zoom without zoom lock
- Not the best from Pentax
- Lens hood not included
- Lacks weather sealing
- Basic construction
- Not the strongest in IQ
- Lacks weather sealing
- Expensive for a pancake lens
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