We first heard about the Sigma 20mm F1.4 DG DN Art and 24mm F1.4 DG DN Art here, and now we have some new details. It sounds like these lenses might be designed for astrophotography since the lens has a rear filter holder and a place to install a heater.
Wide- angle Art lens attention function
, AF assist function
, MFL switch (MF lock)
, rear filter holder
, lens heater retainerCorresponding accessories
24mm F1.4 DG DN | Art
Hood: LH782-01
Lens cap: LCF-72 III
Guide plate: GP-11
20mm F1.4 DG DN | Art
Hood: LH878-04
Lens cap: LCF-82 III
Guide plate: GP-21Suggested retail price
20mm F1.4 DG DN | Art: 152,900 yen including tax (USD $1118.75)
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