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PENTAX KAF mount |
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8 elements in 5 groups |
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68 degrees (when used with *istD series & K100D body) |
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Automatic |
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7 |
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F22 |
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TTL open-aperture metering |
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0.66 ft. (0.2m) |
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43mm or 49mm |
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0.17X |
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2.5" x 1.0" (63mm x 25mm) |
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4.9 oz. (140g) without hood; 5.5 oz. (155g) with hood |
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