| |  Sigma 50mm F1.4 EX DG HSM | 
Canon EF 50mm F1.4 USM | 
Nikon AF-Nikkor 50mm F1.4 D | 
Pentax smc P-FA 50mm F1.4 |
|---|
| Street price | $500 | $325 | $290 | $200 |
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| Maximum format size | 35mm full frame | 35mm full frame | 35mm full frame | 35mm full frame |
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| Focal length | 50mm | 50mm | 50mm | 50mm |
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35mm equivalent focal length
(APS-C) | • 75mm (1.5x)
• 80mm (1.6x)
• 85mm (1.7x) | 80mm | 75mm
| 75mm |
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| Diagonal Angle of view (FF) | 47º
| 47º | 47º | 47º |
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| Diagonal Angle of view (APS-C) | 31º
| 31º | 31º | 31º |
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| Maximum aperture | F1.4 | F1.4 | F1.4 | F1.4 |
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| Minimum aperture | F16 | F22 | F16 | F22 |
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| Lens Construction | • 8 elements/6 groups
• 1 aspherical element | • 7 elements/6 groups
| • 7 elements/6 groups
| • 7 elements/6 groups
|
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| Number of diaphragm blades | 9, rounded | 8 | 7 | 8 |
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| Minimum focus | 0.45m | 0.45m | 0.45m | 0.45m |
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| Maximum magnification | 0.14x
| 0.15x | 0.15x | 0.15x |
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| AF motor type | • Ring-type ultrasonic
• Full-time manual focus | • Micro-type ultrasonic
• Full-time manual focus | • 'Screw drive' from camera body | • 'Screw drive' from camera body |
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| Focus method | Unit, internal to barrel | Unit | Unit | Unit |
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| Image stabilization | • None
| • None | • None | • None |
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| Filter thread | • 77mm
• Does not rotate on focus | • 58mm
• Does not rotate on focus | • 52mm
• Does not rotate on focus | • 49mm
• Does not rotate on focus |
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| Supplied accessories | • Front and rear caps
• Hood
• Soft Case | • Front and rear caps
| • Front and rear caps
| • Front and rear caps
|
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| Weight | 505 g (17.8 oz) | 290g (10.2 oz) | 230g (8.1 oz) | 220g (7.8 oz) |
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| Dimensions | 84.5mm diameter x 68.2mm length
(3.3 x 2.7 in) | 73.8mm diameter x 50.5mm length
(2.9 x 2.0 in) | 64.5mm diameter x 42.5mm length
(2.5 x 1.7 in) | 63.5mm diameter x 38mm length
(2.5 x 1.5 in) |
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Lens Mount Отмечаются достоинства и недостатки. Подробности здесь. | Canon, Nikon, Pentax, Sigma, Sony | Canon EF only | Nikon F only | Pentax K only |
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