Lens Summary
Brand: Pentax
Also Known As: Pentax 21mm f/3.2
Lens Type: Prime Lens
Format: APS-C / DX
Focus: Autofocus
Lens Mount: Pentax K
Release Date: 2006-02-13
MSRP Price: $559
Made in: Japan
Infrared Rating: Good
Production Status: In Production
Lens Description: With precision, high-performance optics, this lens measures only one inch in length and weighs a mere 4.9 ounces. It is the ideal choice for carry-everywhere, instantaneous wide angle or snapshot photography.
Pentax smc DA 21mm f/3.2 AL Limited Specifications
| Lens Specifications | |
|---|---|
| Lens Type | Prime Lens |
| Focal Length | 21mm |
| Mount Type | Pentax K |
| Format | APS-C / DX |
| Compatible Format(s) | Pentax Digital (APS-C) |
| Compatible with Teleconverters | No |
| Maximum Reproduction Ratio | 1:5.88 |
| Shake Reduction (Image Stabilization) | No |
| Aperture Information | |
| Aperture Ring | Yes |
| Maximim Aperture | f/3.2 |
| Minimum Aperture | f/22 |
| Maximum Angle of View (APS-C or smaller format) | 68° |
| Optical Information | |
| Lens Elements | 8 |
| Lens Groups | 5 |
| Diaphragm Blades | 7 |
| Focus Information | |
| Focus | Autofocus |
| Built-in Focus Motor | Yes |
| Minimum Focus Distance | 0.20m |
| Filter Information | |
| Filter Size | 49mm |
| Accepts Filter Type | Screw-on |
| Physical Characteristics | |
| Weather / Dust Sealing | No |
| Mount Material | Metal |
| Dimensions | 6.35 x 2.54cm |
| Weight | 140g |
| Other Information | |
| Available in Colors | Black |
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