Sigma 17-70mm f2.8-4.0 DC Macro OS HSM Lens - Canon Fit
Product Code: 1532957

Sigma 17-70mm f2.8-4.0 DC Macro OS HSM Lens - Canon Fit

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The Sigma 17-70mm f2.8-4.0 DC Macro OS HSM Lens Canon Fit is a lightweight, everyday lens with a large aperture for general-purpose photography. The lens features a minimum focusing distance of 22cm throughout the entire zoom range and a maximum magnification ration of 1:2.9. The Optical Stabiliser (OS) helps reduce camera shake even in macro range photography and enables you to use shutter speeds approximately 4 stops faster. FLD (“F” Low Dispersion) glass, that has a performance equal to fluorite, and SLD (Special Low Dispersion) glass are used for maximum correction of chromatic aberration. This lens has been specifically designed for digital SLR cameras that feature an APS-C sized image sensor.

Sigma 17-70mm f2.8-4.0 DC Macro OS HSM Lens

1. Excellent for macro photography
This lens has the minimum focusing distance of 22cm throughout the entire zoom range and a maximum magnification ratio of 1:2.9. The size and framing can be adjusted by rotating the zoom ring, making macro photography easier than using a fixed focal macro lens. For further convenience, the maximum magnification ratio at each focusing distance appears on the side of the lens barrel.

2. Optical Stabilizer (OS)
Sigma’s own unique OS (Optical Stabilizer) function is incorporated. It offers effective correction of approximately 4 stops, which makes it possible to compensate camera shake even in macro range photography where a small blur can be easily identified.

3. Optical Stabilizer (OS)
Sigma’s own unique OS (Optical Stabilizer) function is incorporated. It offers effective correction of approximately 4 stops, which makes it possible to compensate camera shake even in macro range photography where a small blur can be easily identified.

4. Superior optical performance
FLD (“F” Low Dispersion) glass, that has a performance equal to fluorite, and SLD (Special Low Dispersion) g lass are used for maximum correction of chromatic aberration. Three aspherical lenses, including a double-sided aspherical lens together with the latest design, prevent and correct all types of aberrations including astigmatism, achieving high quality images throughout the entire zoom range.

5. New material TSC (Thermally Stable Composite)
The new material “TSC (Thermally Stable Composite)”, which has little contractility especially in temperature changes, as well as maintaining firmness, is incorporated into the lens barrel. Com-pared to Polycarbonate which is generally used, TSC has higher elasticity by approximately 25%. Since thermal shrinkage is low, it has high affinity to metal parts which contributes to high quality product manufacturing. It also allows other parts such as the zoom ring and scaling to be smaller.

6. Flare and ghosting conscious design
From an early stage, flare and ghosting are thoroughly measured to establish the design which is resistant to strong incident light such as backlight. Sigma’s Super Multi-Layer Coating reduces flare and ghosting, and provides high contrast images even in backlit conditions. The supplied pet-al-type hood can be attached to block out extraneous light which has a harmful influence on the rendering of the lens and prevents internal reflections.

7. Brass made bayonet mount
This lens incorporates a brass made bayonet mount which has both high accuracy and durability. The special treatment to reinforce its strength is applied to the surface to make it a high quality lens that will easily withstand long-term use.

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Product Specification

Minimum Focus Distance (m) 22cm
Aperture blades 7
Autofocus motor HSM
Lens mount Canon Fit
Colour Black
Enlargement Ratio 1:2.9
Filter thread (mm) 72
Focal length (tele) 70
Focal length (wide) 17
Hood model LH780-03
Lens elements 16
Lens groups 14
Max aperture - tele 4
Max aperture - wide 2,8
Minimum aperture 22
Size 79 x 82 mm
Weight (g) 470
Manufacturer Link Sigma
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Product Code: 1532957-wex Manufacturers Part Number: