Sigma 20mm f/1.8 EX Aspherical DG DF RF Autofocus Lens for Sigma SLR Camera USA
- Price: $629.00
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Usually ships in 7-14 days
Availabillty Details
CloseThis is a special order item. Est. arrival at B&H is 7-14 days (subject to availability). Your order will be charged at the time of shipment.
This 20mm is a Super wide-angle lens with a large aperture of f/1.8 and angle of view 94.5°. It has Macro focusing capability with a minimum focusing distance of just 7.9", for a reproduction ratio of 1:4. The 9-bladed iris diaphragm obtains beautiful out of focus image characteristics. Aspherical lens elements in the front & rear lens groups minimize distortion, spherical aberration and astigmatisms. The lens has non-vignetting optical construction in order to obtain adequate peripheral brightness with wide apertures-especially desirable for digital cameras. The lens incorporates a rear focus system eliminating front lens rotation. The focusing ring does not rotate during autofocus yet provides adequate focusing torque of the focusing ring during manual focusing of the lens. The lens materials used in this new lens are lead and arsenic free ecological glass.
Go To
| Performance | |
|---|---|
| Focal Length | 20 mm |
| Aperture |
Maximum: f/1.8 Minimum: f/22 |
| Camera Mount Type | Sigma SA |
| Format Compatibility |
35mm Film / Full-Frame Digital Sensor DSLR (APS-C Sensor) |
| Angle of View | 94.5° |
| Minimum Focus Distance | 7.9" (20.07 cm) |
| Magnification | 0.25x |
| Maximum Reproduction Ratio | 1:4 |
| Groups/Elements | 11/13 |
| Diaphragm Blades | 9 |
| Features | |
|---|---|
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
|---|---|
| Filter Thread | 82 mm |
| Dimensions (DxL) | Approx. 3.5 x 3.4" (8.89 x 8.64 cm) |
| Weight | 1.14 lb (520 g) |
REVIEW SNAPSHOT®
by PowerReviews(based on 1 review)
Ratings Distribution
REVIEWS
Reviewed by 1 customer
Displaying review 1
Pros
- Durable
- Good Value
- Great for low light
- High Quality
Cons
Best Uses
- Interiors landsapes
Comments about 20mm f/1.8 EX Aspherical DG DF RF Autofocus Lens for Sigma SLR Camera:
This is a well constructed fairly sharp lens. I was fortunate. I was happy with the lens right out of the box. I use it often. It is quite respectable at 1.8 and gets better from there. Happy with my purchase! Mike P.
Displaying review 1
Filters & Filter Kits
- Price: $48.00
- Price: $102.00
Hoods & Covers
- Price: $39.95
Cases & Wraps
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- Original: $16.95
- Save: $1.69
- Price: $15.26
What's in the Box
- Front & Rear Caps
- Lens Hood
- Case
- 1-Year Worldwide Warranty + 3-Year Extended USA Warranty
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