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Pentax K20D Telephoto lenses that have a f/1.8 or faster aperture
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Supports autofocus |
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| Easier to use |
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Silent focus motor |
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| Silent and fast |
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Aperture
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f/1.4 |
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Length
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n/a |
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Auto focus
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Yes |
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Diameter
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n/a |
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Focus motor
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Sigma HSM |
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Zoom range
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1x |
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Weight
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n/a |
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Fisheye
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No |
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Aperture
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f/1.4 |
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Length
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n/a |
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Auto focus
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No |
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Diameter
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n/a |
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Focus motor
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None |
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Zoom range
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1x |
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Weight
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0.6 kg |
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Fisheye
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No |
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Aperture
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f/1.4 |
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Length
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86 mm |
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Auto focus
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No |
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Diameter
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77 mm |
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Focus motor
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None |
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Zoom range
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1x |
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Weight
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0.6 kg |
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Fisheye
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No |
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