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ZEISS CP.3 25mm T2.1 Cine Lens

The Zeiss 25mm T2.1 Cine Lens is a 25mm f/2.1 cinema lens designed for PL Mount mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

ZEISS CP.3 25mm T2.1 Cine Lens

ZEISS CP.3 25mm T2.1 Cine Lens

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Lens Overview — Zeiss 25mm T2.1 Cine Lens

The ZEISS CP.3 25mm T2.1 is a manual focus prime lens built for cinema and video production, covering a full-frame image circle and mounted in PL Mount configuration. Sitting in the standard focal length range, this 25mm lens offers a maximum aperture of T2.1, making it a capable choice for controlled lighting environments where a wider aperture prime is desirable. The CP.3 line is designed around consistent physical characteristics across focal lengths, which matters a great deal on professional sets where follow focus systems and lens changes need to be seamless and predictable.

At 820g, the lens strikes a balance between substantive build quality and manageable weight for handheld or gimbal rigs. The 95mm filter thread accommodates common matte box and filter setups used in professional production pipelines. The lens is fully manual focus, which is standard practice in cine production where critical focus pulling is handled by dedicated focus assistants.

With a full-frame coverage designation, it can be paired with a wide range of large-format and full-frame cinema cameras without vignetting concerns. No image stabilization is present, consistent with professional cine lens conventions.

Key Features — Zeiss 25mm T2.1 Cine Lens

25mm PL Mount Prime: Standard focal length in the industry-standard PL mount, compatible with professional cinema cameras from ARRI, RED, Sony, and others.

T2.1 Maximum Aperture: Calibrated T-stop rating ensures consistent, reliable exposure when swapping lenses on set under controlled lighting conditions.

Full-Frame Image Circle: Covers full-frame and large-format sensors without vignetting, future-proofing the lens across a wide range of cinema camera bodies.

Uniform CP.3 Housings: Consistent front diameter, weight, and gear positions across the CP.3 lens family allow seamless lens changes without adjusting follow focus or matte box setups.

Manual Focus Design: Smooth, precise manual focus ring built for repeatable focus pulls by dedicated focus assistants on professional sets.

95mm Filter Thread: Standard front diameter fits professional matte box systems and common filter accessories used in cinema production pipelines.

Lens Specifications — Zeiss 25mm T2.1 Cine Lens

Zeiss 25mm T2.1 Cine Lens full specifications
SpecDetail
Use CasesVideo / Cinematography
Lens TypeCine
FormatFull Frame
Zoom/PrimePrime
Focal Length25mm
Maximum Aperturef/2.1
Camera SystemCinema / Video
Lens MountPL Mount
AutofocusNo
Focus TypeManual Focus
Image StabilizationNone
Filter Thread95mm

Description — Zeiss 25mm T2.1 Cine Lens

The ZEISS CP.3 25mm is a prime cine lens designed for cinema and video production, covering a full-frame image circle through a PL Mount interface. With a maximum aperture of T2.1, it delivers reliable light transmission for professional shooting scenarios where controlled lighting is part of the workflow. The lens is manually focused, aligning with standard cine production practice where focus pulling is a dedicated role on set.

Weighing in at 820g, it offers a practical balance between build solidity and portability, fitting comfortably into a wide range of rigging configurations. The 95mm filter thread provides compatibility with professional-grade matte boxes and filter systems commonly used in the field. Sitting in the standard focal length range at 25mm, this lens serves as a versatile workhorse focal length for narrative, documentary, and commercial video production.

No image stabilization is included, which is typical for the cine lens category where stabilization is addressed at the camera or rig level.

Pros — Zeiss 25mm T2.1 Cine Lens

  • ✓Full-frame coverage (lensFormat: Full Frame) supports large-format cinema camera sensors without vignetting
  • ✓Maximum aperture of T2.1 provides meaningful light gathering for controlled production environments
  • ✓Standard 95mm filter thread (filterThreadSize: 95) is compatible with professional matte box systems

Cons — Zeiss 25mm T2.1 Cine Lens

  • ✗Manual focus only (autoFocus: false) requires a dedicated focus puller or additional rigging for solo operators
  • ✗No image stabilization (imageStabilization: None) means stabilization must be handled at the rig or camera body level
  • ✗Single mount option (PL Mount only) limits direct compatibility with mirrorless or DSLR camera systems without an adapter

Reviews — Zeiss 25mm T2.1 Cine Lens

Videos — Zeiss 25mm T2.1 Cine Lens

Zeiss CP.3 Primes 18, 25, 35, 50, 85, 135 - Lens Tests — LensProToGo

Resources & Downloads — Zeiss 25mm T2.1 Cine Lens

Manuals & Guides

Frequently Asked Questions — Zeiss 25mm T2.1 Cine Lens

What camera mount does the ZEISS CP.3 25mm T2.1 use?+
The lens ships in PL Mount configuration, as listed in the mount specifications. PL Mount is a standard in professional cinema camera systems. No other mount variants are specified in the product data.
Does this lens cover full-frame sensors?+
Yes, the lensFormat specification explicitly lists Full Frame coverage. This means it can be used on full-frame cinema cameras without vignetting issues.
Is autofocus available on the ZEISS CP.3 25mm T2.1?+
No. The autoFocus specification is listed as false, and focusType is Manual only. This is consistent with professional cine lens design, where manual focus pulling is the industry standard.
What filter size does the CP.3 25mm T2.1 accept?+
The lens has a 95mm filter thread, as noted in the filterThreadSize specification. This is a common size for professional cinema lenses and is compatible with many matte box systems and screw-in filters at that diameter.
How much does the ZEISS CP.3 25mm T2.1 weigh?+
The lens weighs 820 grams according to the weight specification. This makes it manageable for shoulder rigs, gimbals, and handheld setups while maintaining a robust cine-grade build.
What is the maximum aperture of this lens?+
The maximum aperture is T2.1, as listed in the maximumAperture specification. T-stop ratings measure actual light transmission rather than theoretical aperture, making them the preferred measurement standard in cinema production.

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