Compare Pentax-FA 77mm F1.8 vs Pentax-FA 43mm F1.9
Construction
Aperture Blades
9 blades
8 blades
Colors
Black, silver
Black, silver
Form Factor
Short Telephoto Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Pentax K-mount
Pentax K-mount
Material
Aluminum
Aluminum
Motor
Screw drive from camera
Screw drive from camera
Optical Formula | Elements
7 elements
7 elements
Optical Formula | Groups
6 groups
6 groups
Optical Formula | Special Glass
HD + Super Protect coatings groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
49 mm / 1.93 in
49 mm / 1.93 in
Size | Diameter
64 mm / 2.52 in
64 mm / 2.52 in
Size | Length
48 mm / 1.89 in
27 mm / 1.06 in
Weight
270 g / 9.54 oz
155 g / 5.48 oz
Function
Angle Of View
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
53.4° Diagonal | 45.4° Horizontal | 31.2° Vertical
Aperture
f/1.8 ~ f/22
f/1.9 ~ f/22
Autofocus
Yes
Yes
Focal Length
77 mm
43 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.14x
0.12x
Min Focus Distance
700 mm / 27.56 in
450 mm / 17.72 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2021-02-24
2021-02-24
Reviews
Neofiliac score
68%
68%
Pros
- Rather compact
- Beautifully crafted
- Comes with physical aperture ring
- Good image quality
- Smooth rendering
- Compact and lightweight
- Comes with physical aperture ring
Cons
- Lacks weather sealing
- Lacks weather sealing
- Expensive for a pancake lens
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