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Sigma 40mm f/1.4 Art HSM DG

Photos - Camera Lens Sigma 40mm f/1.4 Art HSM DG
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Fixed lens with a non-standard focal length of 40mm and a high aperture of f/1.4. The model is available both in versions for popular SLR mounts (Sigma SA, Nikon F, Canon EF), and in a modification for the Sony E mirrorless system. Surprisingly, the lens turned out to be large and heavy — its body dimensions are 88x131 mm, and it weighs about 2.1 kg. Specific dimensions and weight may vary depending on the mount. The optical design of the Sigma 40mm f/1.4 Art HSM DG consists of 16 elements in 12 groups. The scheme includes three FLD lenses, three SLD elements, and one aspherical glass (to improve color accuracy and minimize chromatic aberrations). The rendering of impressive bokeh is ensured by a 9-blade rounded diaphragm. The Hyper Sonic Motor ring drive aids in focusing the lens for shar...pness. The model features an internal focusing system and a window with a marked focus distance scale (in meters and feet). The lens is compatible with standard round filters with a diameter of 82 mm. Firmware updates and focus adjustments (for SLR versions) can be done through the dedicated Sigma USB Dock.
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Sigma 40mm f/1.4 Art HSM DG
Lens type
fix
Main function
portrait
System
Canon
Nikon
Sigma
Sony
Mount
Canon EF-S
Canon EF
Nikon F
Sigma SA
Sony E
Focal length
40 mm
Aperture value
f/1.4
Min. diaphragm
16
Minimum focus distance
0.4 m
Maximum zoom
0.15
Sensor size
full frame/APS-C
Autofocus drive
ultrasonic drive motor
Design (elements/groups)
16 elements in 12 groups
Number of diaphragm blades
9 / rounded /
Filter diameter
82 mm
Dimensions (diameter/length)
88x131 mm
Weight
1200 g
Added to E-Catalog
October 2018
Quite heavy for its focal lengths.

Fixed lens with a non-standard focal length of 40mm and a high aperture of f/1.4. The model is available both in versions for popular SLR mounts (Sigma SA, Nikon F, Canon EF), and in a modification for the Sony E mirrorless system. Surprisingly, the lens turned out to be large and heavy — its body dimensions are 88x131 mm, and it weighs about 2.1 kg. Specific dimensions and weight may vary depending on the mount.

The optical design of the Sigma 40mm f/1.4 Art HSM DG consists of 16 elements in 12 groups. The scheme includes three FLD lenses, three SLD elements, and one aspherical glass (to improve color accuracy and minimize chromatic aberrations). The rendering of impressive bokeh is ensured by a 9-blade rounded diaphragm. The Hyper Sonic Motor ring drive aids in focusing the lens for sharpness. The model features an internal focusing system and a window with a marked focus distance scale (in meters and feet). The lens is compatible with standard round filters with a diameter of 82 mm. Firmware updates and focus adjustments (for SLR versions) can be done through the dedicated Sigma USB Dock.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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