ZEISS CP.3 21mm T2.9 Cinema Lens
The Zeiss 21mm T2.9 is a 21mm f/2.9 cinema lens designed for PL Mount mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
ZEISS CP.3 21mm T2.9 Cinema Lens
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Lens Overview — Zeiss 21mm T2.9
Key Features — Zeiss 21mm T2.9
21mm Wide-Angle Prime: Fixed 21mm focal length provides a wide field of view suited to establishing shots, interiors, and environmental storytelling.
T2.9 Maximum Aperture: Solid light-gathering capability for a wide-angle cinema prime, allowing usable exposure in lower-light shooting conditions.
Full-Frame Image Circle: Covers full-frame sensors without vignetting, making it compatible with larger-format cinema cameras such as the ARRI ALEXA LF and Sony VENICE.
PL Mount: Industry-standard cinema lens mount compatible with professional camera systems from ARRI, RED, Sony, and others.
Manual Focus Design: Smooth, precise manual focus ring built for deliberate, repeatable focus pulls in professional cinema workflows.
95mm Filter Thread: Consistent front thread diameter across the CP.3 family allows a single matte box or filter setup to carry across multiple lenses on set.
Lens Specifications — Zeiss 21mm T2.9
| Spec | Detail |
|---|---|
| Use Cases | Video / Cinematography |
| Lens Type | Cine |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 21mm |
| Maximum Aperture | f/2.9 |
| Camera System | Cinema / Video |
| Lens Mount | PL Mount |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 95mm |
Description — Zeiss 21mm T2.9
The ZEISS CP.3 21mm T2.9 is a wide-angle prime cinema lens designed for full-frame coverage, built around a PL mount for use with professional cinema camera systems. Operating at a maximum aperture of T2.9, it provides reliable light transmission in a focal length well-suited to environmental, architectural, and narrative wide-angle work. Focus is entirely manual, keeping control in the hands of the focus puller and supporting the kind of precise, repeatable focus pulls that cinema production demands.
The lens features a 95mm front filter thread, consistent across the CP.3 series, making it straightforward to share matte boxes and other front-of-lens accessories across a full CP.3 kit without reconfiguring between shots. At 820g, the lens is substantial enough to feel well-built on a professional rig without adding unnecessary weight to handheld or gimbal setups. With no image stabilization, this lens is intended for use on stabilized platforms or with experienced handheld operators.
It falls within the Cinema / Video camera system category and is classified as a prime lens covering the wide-angle focal length range.
Pros — Zeiss 21mm T2.9
- ✓Full-frame lens format ensures broad sensor compatibility without image circle limitations
- ✓T2.9 maximum aperture provides useful light-gathering for a wide-angle cinema prime
- ✓Consistent 95mm filter thread across CP.3 family simplifies matte box and accessory setup
Cons — Zeiss 21mm T2.9
- ✗No image stabilization, requiring external stabilization solutions for smooth handheld work
- ✗Manual focus only — no autofocus support for operators who require it
- ✗Single PL mount configuration limits use to cinema-specific camera bodies without an adapter
Videos — Zeiss 21mm T2.9
The CHEAPEST Zeiss Cine Lenses for my Sony FX6 — Robin Seifert