SIGMA 20mm F1.4 DG DN / SIGMA 24mm F1.4 DG DN for L-Mount

[LUF Admin]

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Sigma is introducing two new wide-angle fixed focal lengths for full-frame cameras (L-mount and Sony E-mount), the SIGMA 20mm F1.4 DG DN and SIGMA 24mm F1.4 DG DN.

Both lenses will be launched by end of August and will cost $ 899 /  (SIGMA 20mm F1.4 DG DN) and $ 799 (SIGMA 24mm F1.4 DG DN). Both lenses are available for pre-order at B&H:

• SIGMA 20mm F1.4 DG DN @ B&H
• SIGMA 24mm F1.4 DG DN @ B&H

For both lenses, Sigma emphasizes that are suitable for astrophotography.

Product Images SIGMA 20mm F1.4 DG DN

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Product Images SIGMA 24mm F1.4 DG DN

SIGMA 20mm F1.4 DG DN / SIGMA 24mm F1.4 DG DN at a glance

• Lens construction
  • 17 elements in 15 groups, with 2 SLD, 3 aspherical lens elements (Sigma 20mm)
  • 17 elements in 14 groups, with 2 FLD, 1 SLD, 4 aspherical lens elements (Sigma 24mm)
• Inner focus system
• Compatible with high-speed autofocus
• Stepping Motor
• Front filter thread 72mm (Sigma 24mm) / 72mm (Sigma 20mm)
• Compatible with Lens Aberration Correction
• Function available on supported cameras only. Available corrections and auto correction functionality may vary depending on the camera model.
• On cameras where lens aberration correction is controlled with “ON” or “OFF” in the camera menu, please set all aberration correction functions to “ON” (AUTO).
• Support for DMF and AF+MF
• Compatible with AF assist (Sony E-mount only)
• Nano porous coating
• Super Multi-Layer Coating
• Water- and oil-repellent coating
• Aperture ring
• Aperture ring click switch
• Aperture ring lock switch
• AFL button
• Programmable function only on compatible cameras. Available functions may vary depending on the camera used.
• Manual Focus Lock (MFL) switch
• Rear filter holder
• Focus mode switch
• Support for switching between linear and non-linear focus ring settings (L-Mount only)
• Petal-type lens hood with lock (LH782-01)
• Dust- and splash-resistant structure
• Compatible with SIGMA USB DOCK UD-11 (sold separately, L-Mount only)
• Designed to minimize flare and ghosting
• Every single lens is evaluated with SIGMA’s proprietary MTF measuring system
• 11-blade rounded diaphragm
• High-precision, durable brass bayonet mount
• “Made in Japan” craftsmanship

[scrollt]

Now that I got pulled into the astro rabbit hole I really want a fast ultrawide lens. Looks like the 20mm will be just that.

 

Very nice.

 

 

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[scrollt]

If you are interested in Astro photography: I like this channel a lot and he compared the two new lenses with some competitors. As far as I can tell the 20mm's main flaw is it's vignette wide open. But I think that's manageable with proper lens profiles in Lightroom (or other tools) and by stopping down a bit. I think that will be the ultrawide I get at some point. Too bad Panasonic didn't release the 18mm yet 😕

 

 

Edited August 9, 2022 by scrollt

[helged]

Another favourable review for the Sigma 20mm f1.4 DG DN: https://dustinabbott.net/2022/08/sigma-20mm-f1-4-dn-art-review/

[helged]

And a slightly less favorable Review, ; the softness at f1.4, even at centre, may indicate a 'bad' copy, hard to know...: https://www.imaging-resource.com/lenses/sigma/20mm-f1.4-dg-dn-art/review/

Edited August 12, 2022 by helged

[insomnia]

Did anyone pull the trigger on the 24 and can share some samples (preferrably DNG)?

[Pierre68]

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hello everyone 

I wanted th check off my Sigma 20mm had the latest software but the Sigma USB dock does not seem to recognize the new lens.

Is this normal? Is the lens too recent to be recognized?

The USB dock has the latest firmware.

Thanks

Pierre