Compare Pentax DA 40mm F2.8 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
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
5 elements
7 elements
Optical Formula | Groups
4 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
15 mm / 0.59 in
48 mm / 1.89 in
Weight
80 g / 2.83 oz
270 g / 9.54 oz
Function
Angle Of View
39.7° Diagonal | 33.4° Horizontal | 22.6° Vertical
31.4° Diagonal | 26.3° Horizontal | 17.7° Vertical
Aperture
f/2.8 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
40 mm
77 mm
Focal Length (35mm Equivalent)
60.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
Performance
Max Magnification
0.13x
0.14x
Min Focus Distance
400 mm / 15.75 in
700 mm / 27.56 in
Production
Accessory
Lens Hood: MH-RE49 (supplied)
Lens hood included
Debut
2013-08-27
2021-02-24
Reviews
Neofiliac score
68%
68%
Pros
- Exceptionally light and compact
- Great rendering
- 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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