£449.00
EAN Code: 85126271657
SKU:
271965
£449.00
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Optimized for notable image clarity at close working distances, the Sigma 70mm f2.8 DG Macro Art Lens is a true 1:1, life-size macro lens well-suited for close-up and macro subjects. As a member of the esteemed Art series of lenses, this short-telephoto prime is also distinguished by its sophisticated optical design that makes use of two FLD elements, two SLD elements, one anomalous partial dispersion/high refractive index element, and two aspherical elements to limit both chromatic and spherical aberrations for high clarity, sharpness, and color accuracy. A Super Multi-Layer Coating also enhances image quality by suppressing lens flare and ghosting for improved contrast and color fidelity in strong lighting conditions. Additionally, a rounded nine-blade diaphragm contributes to a pleasing bokeh quality.
In order to realize top-level performance at every shooting distance, the Sigma 70mm f2.8 DG Macro Art Lens features an extending, floating, two-group focus mechanism. This configuration minimizes aberration to produce optimal results at any focus distance. To minimize axial chromatic aberration, the optical system incorporates two FLD glass elements, two SLD glass elements, and one element with a high rate of anomalous partial dispersion and a high index of refraction. In addition, two aspherical lens elements help increase resolution at close shooting distances. This optical system makes possible a razor-sharp in-focus area contrasted with a bokeh area free of color streaking.
From an early stage in the Sigma 70mm f2.8 DG Macro Art Lens design process, flare and ghosting have been measured to establish an optical design resistant to strong incident light sources such as backlighting. SIGMA’s Super Multi-Layer Coating reduces flare and ghosting to help photographers produce sharp and high contrast images even in backlit conditions. The included lens hood can be attached to block out extraneous light, which can have a negative effect on rendering performance.
The degree to which light is refracted by glass depends on the light’s wavelength. This fact causes different colors of light to focus at slightly different points. The result is chromatic aberration, the color fringing that is particularly noticeable in telephoto lenses. Most chromatic aberration can be removed by combining a high-refractivity convex lens element with a low-refractivity concave element. Yet residual chromatic aberration known as “secondary spectrum” may still remain.
To minimize this secondary spectrum, which can be a serious issue with conventional lenses, SIGMA lenses feature up to three types of exclusive low-dispersion glass offering superior performance: ELD (Extraordinary Low Dispersion), SLD (Special Low Dispersion) and FLD (“F” Low Dispersion). In particular, FLD glass offers ultra-low dispersion in combination with high transmittance and the anomalous dispersion characteristics of fluorite. Meticulous deployment of these types of exclusive low-dispersion glass and optimization of power distribution gives SIGMA lenses superlative image rendition undiminished by residual chromatic aberration.
Full-time manual focus function allows the Sigma 70mm f2.8 DG Macro Art Lens to be switched to manual focus simply by rotating the focus ring.
Note: The operation of full-time MF may vary based on mount type.
The Sigma 70mm f2.8 DG Macro Art Lens mount incorporates rubber sealing to protect the mount from dust and water drops.
* Except for SIGMA mount
The 9-blade rounded diaphragm creates an attractive blur in the out-of-focus areas of the image.
Focal Length | 70mm |
Maximum Aperture | f/2.8 |
Minimum Aperture | f/22 |
Lens Mount | Sony E |
Lens Format Coverage | Full-Frame |
Angle of View | 34.3° |
Minimum Focus Distance | 10.16″ / 25.8 cm |
Maximum Magnification | 1x |
Macro Reproduction Ratio | 1:1 |
Optical Design | 13 Elements in 10 Groups |
Diaphragm Blades | 9, Rounded |
Focus Type | Autofocus |
Image Stabilization | No |
Filter Size | 49 mm (Front) |
Dimensions (ø x L) | 2.79 x 4.17″ / 70.8 x 105.8 mm |
Length at Maximum Extension | 4.16″ / 105.57 mm |
Weight | 1.13 lb / 515 g |
For a more detailed specification about the Sigma 70mm f2.8 DG Macro Art Lens see here. For more Sigma Lenses see here.
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For more information regarding delivery please see our delivery page.
Returning your product if it’s unwanted:
Please return your item unused and in original condition (as it was received by you) with proof of purchase within 14 days, and we’ll give you an exchange or refund.
We do ask when returning to use a reputable courier with a tracking service and the item to be fully insured. Please be aware that we’ll only process your refund once the item has been returned to and checked by our specialist; this can take up to 14 days.
Returning your product because it has a fault:
If your product develops a fault within 30 days of purchase, please return with proof of purchase and we’ll exchange or refund it.
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If you are approved you can complete your purchase immediately Representative example: Representative 19.9% APR (variable); Purchase rate 19.9% p.a. (variable); Assumed credit limit £1200. Subject to Status. PayPal Credit is a trading name of PayPal (Europe) S.à.r.l. et Cie, S.C.A., 22-24 Boulevard Royal L-2449, Luxembourg.
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Weight | 515 g |
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Dimensions | 70.8 × 105.8 mm |
Brand | |
Lens Mount | |
Lens Type | |
Filter Thread Size (mm) |
49 |
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