Sigma 18-35mm T2 Cine Zoom

Name: Sigma 18-35mm T2 Cine Zoom
Brand: Sigma

18 – 35mm zoom T2 EF / PL

Sigma’s High Speed Zoom Line 18-35mm holds T2 from end to end, with no ramp across the range.

It is built for Super 35, with a 28.4mm image circle, a 9-blade rounded iris that closes to T16, and a 0.28m (11") close focus from the image plane.

Character profile

How this lens renders.

Constant T2 across the zoom. Super 35.

Five axes plotting how this set behaves wide-open vs a neutral modern reference. Larger area = more pronounced trait.

Talking points

Constant T2 from 18 to 35mm, with no ramp across the zoom
Focus 180°, zoom 160° and iris 60°, all on 0.8 module gears
95mm front and an 82mm filter thread
We hold two: one in EF, and one with a Duclos conversion kit that changes between EF and PL

Technical

Focal Range: 18–35mm
Aperture: T2 constant across the range. Closes to T16
Coverage: Super 35.
Image Circle: 28.4mm
Close Focus: 0.28m (11") from the image plane
Iris: 9 blades, rounded
Rotation: Focus 180°, zoom 160°, iris 60°
Front ⌀: 95mm
Filter: M82 × 0.75
Dimensions: Ø95 × 129.5mm (EF), Ø95 × 121.5mm (PL), front to mount flange
Elements / Groups: 17 / 12
Gears: 0.8 module on focus, zoom and iris
Mount: One lens in EF; one with a Duclos conversion kit that changes between EF and PL