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Pentax smc DA 21 mm f/3.2 AL Limited
Pictures:
Specifications:
| Manufacturer | Pentax |
|---|---|
| Model | smc DA 21 mm f/3.2 AL Limited |
| Lens style | Wide angle |
| Focal length | 21 mm |
| Maximum aperture | f/3.2 |
| Angle of view | 68 o |
| Closest focusing distance | 0.2 m |
| Maximum magnification | 1:5.88 |
| Minimum aperture | 22 |
| Number of diaphragm blades | 7 |
| Auto focus type | AF |
| Lens Construction | 8 elements / 5 groups |
| Filter diameter | 43 mm |
| Macro | No |
| Available mounts | Pentax K |
| Dimensions | 63 x 25 mm |
| Weight | 140 g |
| Additional information | can be used with 43mm and 49mm filters |
Owners reviews (2)
Overall
Owner since: 3 years
Price:
User profile: Semipro
Cons: pillow distortion
Pros: it is so small nice Hood sharp rather nice bokeh
Summary: wonderful for streetphotography
Overall
Owner since: 1 year
Price: £380
User profile: Amateur
Cons: Relatively slow for a prime lens. Sharpness from corner to corner only obtained by stopping down to at least f5.6 and preferably f8. Expensive. In all honesty, optically no improvement on discontinued 16-45mm f4 lens, which in the UK at least is/was less than half its price.
Pros: Extremely well made. Easy to handle and its diminutive size enables you to comfortably pack and carry two or three other Pentax primes in a small carrying case. Fairly reliable and fast autofocus. Tolerably sharp when stopped down, although Pentax RAW settings will often require some adjustment. Versatile focal length. Neutral colour rendering.
Summary: Despite what Pentax forums would have you believe, there is nothing special about this lens, except for its compact size and excellent, robust build quality. Unless size is a critical factor you are probably going to better served by a decent zoom lens. A vast improvement on the Pentax K-5 kit lens of course, but that's not saying much.