Compare Pentax DA 70mm F2.4 vs Pentax-FA 77mm F1.8
Construction
Aperture Blades
9 blades, Rounded aperture diaphragm
9 blades
Colors
Black, Silver
Black, silver
Form Factor
Short Telephoto Prime Lens
Short Telephoto Prime Lens
Image Size
APS-C
Full-Frame
Lens Barrel
Distance scale, DoF 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
6 elements
7 elements
Optical Formula | Groups
5 groups
6 groups
Optical Formula | Special Glass
High-grade multi-layer HD (High Definition) Coating groups
HD + Super Protect coatings groups
Dimensions
Filter Diameter
49 mm / 1.93 in
49 mm / 1.93 in
Size | Diameter
63 mm / 2.48 in
64 mm / 2.52 in
Size | Length
26 mm / 1.02 in
48 mm / 1.89 in
Weight
147 g / 5.19 oz
270 g / 9.54 oz
Function
Angle Of View
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
Aperture
f/2.4 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
70 mm
77 mm
Focal Length (35mm Equivalent)
105.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.12x
0.14x
Min Focus Distance
700 mm / 27.56 in
700 mm / 27.56 in
Production
Accessory
Lens Hood: MH-RF49 (supplied)
Lens hood included
Debut
2013-08-27
2021-02-24
Reviews
Neofiliac score
76%
68%
Pros
- Exceptionally light and compact
- Beautifully crafted
- Rare 107mm equivalent pancake lens
- Rather compact
- Beautifully crafted
- Comes with physical aperture ring
- Good image quality
- Smooth rendering
Cons
- A bit expensive for a pancake lens
- Lacks weather sealing
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