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General| Brand | Asahi |
|---|---|
| Model | SMC |
| Mount | Pentax K |
| Focal Length | 50mm |
| Aperture | f/1.4 |
| Maximum Aperture | f/1.4 |
| Minimum Aperture | f/16 |
| Lens Construction | 7 elements in 6 groups |
| Minimum Focus Distance | 0.45m |
| Filter Size | 49mm |
| Type | Lens |
| Angle of View | 47 degrees |
Provides posture guidance for stable shooting with telephoto lenses.
Recommends shutter speeds for hand-held telephoto shooting to prevent blur.
Advises on selecting a tripod adequate for heavy telephoto lenses.
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