Compare Pentax DA 55-300mm F4.0-5.8 vs Pentax-FA 77mm F1.8
Construction
Aperture Blades
6 blades
9 blades
Colors
Black
Black, silver
Form Factor
Super Telephoto Zoom Lens
Short Telephoto Prime Lens
Image Size
APS-C
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Screw drive from camera
Screw drive from camera
Optical Formula | Elements
12 elements
7 elements
Optical Formula | Groups
8 groups
6 groups
Optical Formula | Special Glass
ED glass elements groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
58 mm / 2.28 in
49 mm / 1.93 in
Size | Diameter
71 mm / 2.80 in
64 mm / 2.52 in
Size | Length
112 mm / 4.41 in
48 mm / 1.89 in
Weight
466 g / 16.47 oz
270 g / 9.54 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)
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
Aperture
f/4–5.8 ~ f/22–32
f/1.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
55 mm ~ 300 mm
77 mm
Focal Length (35mm Equivalent)
82.5 mm ~ 450.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
Yes
No
Zoom Type
External zoom
Performance
Max Magnification
0.28x
0.14x
Min Focus Distance
1400 mm / 55.12 in
700 mm / 27.56 in
Production
Accessory
Lens Hood: PH-RBI 58mm (supplied)
Lens hood included
Debut
2013-10-07
2021-02-24
Reviews
Neofiliac score
50%
68%
Pros
- Weather-sealed
- Great price for the price
- Rather compact
- Beautifully crafted
- Comes with physical aperture ring
- Good image quality
- Smooth rendering
Cons
- Dark and variable maximum aperture
- External zoom without zoom lock
- Not the best from Pentax
- Lacks weather sealing
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