Compare Pentax-D FA* 70-200mm F2.8 vs Pentax-FA 77mm F1.8
Construction
Aperture Blades
9 blades, Rounded (f/2.8-5.6)
9 blades
Colors
Black or Silver
Black, silver
Form Factor
Telephoto Zoom Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Tripod collar, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Motor
Screw drive from camera
Optical Formula | Elements
19 elements
7 elements
Optical Formula | Groups
16 groups
6 groups
Optical Formula | Special Glass
HD, AB, Super Protect coatings groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
49 mm / 1.93 in
Size | Diameter
92 mm / 3.62 in
64 mm / 2.52 in
Size | Length
203 mm / 7.99 in
48 mm / 1.89 in
Weight
1755 g / 62.01 oz
270 g / 9.54 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)
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
Aperture
f/2.8 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Focal Length
70 mm ~ 200 mm
77 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
No
Zoom Type
External zoom (zoom lock available)
Performance
Max Magnification
0.13x
0.14x
Min Focus Distance
1200 mm / 47.24 in
700 mm / 27.56 in
Production
Accessory
Lens Hood: PH-RBM77 (supplied)
Lens hood included
Debut
2015-02-04
2021-02-24
Reviews
Neofiliac score
40%
68%
Pros
- Superb image quality
- Zoom lock prevents zoom creep
- Weather-sealed
- Comes with a tripod collar
- Very nice construction
- Well priced
- Rather compact
- Beautifully crafted
- Comes with physical aperture ring
- Good image quality
- Smooth rendering
Cons
- Large and heavy
- Lacks weather sealing
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