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SIGMA 20mm F1.4 DG DN / SIGMA 24mm F1.4 DG DN for E-Mount Full Format


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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:

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
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  • Posts

    • Hi Pieter, Not yet. I've thought about that, to use a tripod. But I've no time to try that yet. I'll try it this weekend and let you know.  Thanks!
    • Did you try manually focussing at 135mm, camera on tripod / solid ground, delayed release? If you can get sharp pictures that way, at least you know the optics are fine.
    • I don't know how those cameras would fare as aviation cameras - either of them are far beyond my scope of purchase - but people have been taking pictures of planes and other man-made flying objects well, as long as they have been around.  Unless the aircraft is flying straight at you or flying perpendicularly away from you, the AF lagging behind the shutter should not be an issue and in almost all cases you would be shooting at infinity so internal lens movements to acquire focus should be at a minimum.  If you are expecting to crop a lot, I guess a camera with higher resolution would be better for you but that also depends on what you are going to do with the image.  If you are going to be printing large mural sized prints, higher resolution image would be better but if you are going to print at or below 11x17 or not print at all, even a cropped image from my A7II will be good enough on any consumer grade monitors on the market.  I have seen images printed from the first generation Olympus OM-D E-M5 (16MP) at 11x17 and they were excellent.
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