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Thornfield HouseSigma 20mm F2 Sony FE DG DN Contemporary Lens
Our Price: £649.99
Product Code: 490965
Barcode: 85126490652
Our Price:
£649.99
Harrison Cameras, 112-114 London Road, Sheffield, S2 4LR
The 20mm F2 DG DN | Contemporary achieves the highest level of optical performance even wide open, from the centre of the image to the periphery. Based on the latest optical design technology, the lens construction includes three high-precision glass-molded aspherical lens elements, one SLD element, and one FLD element to suppress a range of optical aberrations. The result is clear and sharp images even in the extreme corners of the frame. By focusing on the suppression of sagittal coma flare, which is difficult to correct in post-processing, accurate reproduction of very bright points of light has been achieved. This provides extremely detailed results across the entire image, which is especially important for night sky photography.
The lens’ advanced optical design, as well as its Super Multi-Layer Coating and Nano Porous Coating (NPC), ensures very minimal flare and ghosting even when shooting into bright light sources. This makes it much easier to photograph backlit subjects and still achieve punchy, high contrast results.
All I series lenses have an all-metal construction. The precision cut aluminium parts not only give the barrel a sleek, stylish finish, but provide superb durability that improves the quality of the entire product. Metal materials are also used in internal structures that slide with the operation ring for added robustness. These high-precision components crafted with SIGMA’s cutting-edge metalworking technology are also used in SIGMA’s CINE LENS line-up for professional cinematographers and provide a tactile, ergonomic feel that make the lens a pleasure to use.
The cover ring between the focus ring and the aperture ring has hairline processing that is also used for the rear cylinder of the Art line. This covering functions as a finger hold when attaching or detaching the lens.
Lens construction | 11 groups, 13 elements (1 FLD, 1 SLD, and 3 aspherical elements) |
Angle of view | 94.5° |
Number of diaphragm blades | 9 (rounded diaphragm) |
Minimum aperture | F22 |
Minimum focusing distance | 22cm |
Maximum magnification ratio | 1:6.7 |
Filter size | 62mm |
Dimensions | 70mm x 72.4mm |
Weight | 370g |