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SMC Pentax-FA 31mm F1.8 AL Limited |
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Image Format Full-frame / 35mm film |
Lens Mount Pentax K |
Aperture Ring Yes (A setting) |
Diaphragm Automatic, 9 blades |
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Optics 9 elements, 7 groups |
Mount Variant KAF |
Max. Aperture F1.8 |
Min. Aperture F22 |
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Focusing AF (screwdrive) |
Quick-shift No |
Min. Focus 30 cm |
Max. Magnification 0.16x |
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Filter Size 58 mm |
Internal Focus No |
Field of View (Diag. / Horiz.) APS-C: 50 ° / 42 ° Full frame: 70 ° / 60 ° |
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Hood Built-in |
Case Dedicated pouch |
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Lens Cap Dedicated metal push-on |
Coating Ghostless,SMC |
Weather Sealing No |
Other Features |
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Diam x Length 65 x 68.5 mm (2.6 x 2.7 in.) |
Weight 345 g (12.2 oz.) |
Production Years 2001 (In Production) |
Pricing $880 USD at launch |
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Engraved Name smc PENTAX-FA 1:1.8 31mm AL Limited |
Product Code 20280 (silver), 20290 (black) |
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Notes One aspherical element, one ED element, one high refraction low dispertion element. |
Variants Black and silver |
||
|
SMC Pentax-FA 31mm F1.8 AL Limited |
|||
|
Image Format Full-frame / 35mm film |
Lens Mount Pentax K |
Aperture Ring Yes (A setting) |
Diaphragm Automatic, 9 blades |
|
Optics 9 elements, 7 groups |
Mount Variant KAF |
Max. Aperture F1.8 |
Min. Aperture F22 |
|
Focusing AF (screwdrive) |
Quick-shift No |
Min. Focus 30 cm |
Max. Magnification 0.16x |
|
Filter Size 58 mm |
Internal Focus No |
Field of View (Diag. / Horiz.) APS-C: 50 ° / 42 ° Full frame: 70 ° / 60 ° |
|
|
Hood Built-in |
Case Dedicated pouch |
||
|
Lens Cap Dedicated metal push-on |
Coating Ghostless,SMC |
Weather Sealing No |
Other Features |
|
Diam x Length 65 x 68.5 mm (2.6 x 2.7 in.) |
Weight 345 g (12.2 oz.) |
Production Years 2001 (In Production) |
Pricing $880 USD at launch |
|
Engraved Name smc PENTAX-FA 1:1.8 31mm AL Limited |
Product Code 20280 (silver), 20290 (black) |
||
|
Notes One aspherical element, one ED element, one high refraction low dispertion element. |
Variants Black and silver |
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