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Key Features
- L-Mount Lens/Full-Frame Format
- Aperture Range: f/1.4 to f/16
- Three FLD Elements, Three SLD Elements
- One Aspherical Element
Designed within the rigorous tolerances of a cine lens, the Leica L-mount Sigma 40mm f/1.4 DG HSM Art Lens is a wide normal-length lens characterized by a bright design and sophisticated optical layout. The fast f/1.4 maximum aperture helps to achieve shallow depth of field and selective focus effects, and also suits working in difficult lighting conditions. The optical design incorporates a series of low dispersion and aspherical elements, which help to improve sharpness and clarity by controlling both spherical and chromatic aberrations. A Super Multi-Layer Coating is also featured, and helps to minimize flare and ghosting for greater contrast and color accuracy when working in strong lighting conditions.
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Is this lens particularly noisy in Continuous AF ...
Is this lens particularly noisy in Continuous AF on Lumix H5S?
when kept on a native ISO no, system produces very clean images.
Date published: 2022-01-24
The L mount works with S1H, no?
The L mount works with S1H, no?
Yes, lenses that have a Leica L mount such as this Sigma 40mm are compatible with the Panasonic S1H.
Date published: 2021-04-08
For Sony shooters , This or the Ziess Batis 40mm ...
For Sony shooters , This or the Ziess Batis 40mm f2 ?
Get the Sigma 40mm it's a killer. Sharp across the whole flat field. One of the best lenses being produced today.
Date published: 2023-01-08
How long is this lens? Why are two different ...
How long is this lens? Why are two different versions of this lens shown in the photos?
I have both lenses and BH has the images mixed up for this lens. They have a bunch of pictures of the DSLR version of the lens which is 131mm long. The mirrorless version for Sony E and Leica L are 158mm long. They are both the same diameter. Sigma even included the wrong length in the product description card with the Leica L version - perhaps they have not gotten around to printing the different dimensions for the mirrorless versions. This should be fixed because a little over an inch difference in length for the same lens is substantial.
Date published: 2022-12-09
Anyone using this with fs5 or fs7? How’s it look?
Anyone using this with fs5 or fs7? How’s it look?
This lens should look outstanding on either the FS5 or FS7.
Date published: 2020-01-12
Will it work on a D700 after updating the ...
Will it work on a D700 after updating the firmware?
Yes, it will work after updating the firmware.
Date published: 2021-03-22
Autofocus using the Viewfinder is ACCURATE & ...
Autofocus using the Viewfinder is ACCURATE & CONSISTENT?
Because many Sigma Art lenses are not good in this situation, even after tweaking with USB-Dock...
Canon lenses are almost perfect and always reliable in terms of AF, but my experience with Sigma gave only about 50% real in-focus pictures WHEN USING the VIEWFINDER (on many cameras, no microadjustment related issue).
If I use LiveView the, of course, the AF is always perfect.
Thanks!
the lenses is built to be reliable and accurate. Sometimes you can get a lens with issues which is exchangeable and/or fixable.
Date published: 2020-01-15
I understand that the Sigma 40mm is a very sharp ...
I understand that the Sigma 40mm is a very sharp lens. I have a Nikon D700, and I was wondering if the lens is overkill. Will I really notice a difference with 12 MP camera with an AA filter?
You will always see better image quality using a superior lens, but how much better will depend on what your other options are. If the other option is a mediocre or bad lens, you will see a big difference; if the other option is a good lens, you won't see as much of a difference.
Date published: 2022-07-31