https://www.sigma-global.com/en/news/2025/02/24/010843/

Lens construction: 28 elements in 21 groups (6 FLD, 1 SLD)
Angle of View: 8.2-4.1°
Number of Diaphragm Blades : 13 (Rounded Diaphragm)
Minimum Aperture : F22
Minimum Focusing Distance: 280cm(W) - 450cm(T) / 110.3in.(W) - 177.2in.(T)
Maximum Magnification Ratio: 1:6 at f=470mm
Filter Size: φ40.5mm (Rear)
Maximum Diameter x Length: φ167.0mm x 467.9mm / φ6.6in. x 18.4in.
Weight: 3,985g / 140.6oz.

Leider nur für: L-Mount, Sony E-mount