Compare Pentax-D FA 21mm F2.4ED
Construction
Aperture Blades
8 blades, Rounded diaphragm
Colors
Black, Silver
Form Factor
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Lens Barrel
Distance scale, DoF scale
Lens Mount
Pentax K-mount
Material
Aluminum
Optical Formula | Elements
11 elements
Optical Formula | Groups
8 groups
Optical Formula | Special Glass
4 ED elements, 1 Super ED element groups
Dimensions
Filter Diameter
67 mm / 2.64 in
Size | Diameter
74 mm / 2.91 in
Size | Length
89 mm / 3.50 in
Weight
416 g / 14.70 oz
Function
Angle Of View
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
Aperture
f/2.4–22 ~ f/2.4–22
Autofocus
Yes
Focal Length
21 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
Yes
Performance
Max Magnification
0.26x
Min Focus Distance
180 mm / 7.09 in
Production
Accessory
Lens hood included
Debut
2021-10-21
Reviews
Neofiliac score
76%
Pros
- Weather-sealed
- Great image quality
- 8-bladed aperture for sunstars
Cons
Remove
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