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Zeiss Contax GL Optics

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Zeiss Contax 21mm T2.9
Zeiss Contax 28mm T2.1
Zeiss Contax 35mm T1.5
Zeiss Contax 50mm T1.5

Zeiss Contax 85mm T1.5
Zeiss Contax 100mm T2.1
Zeiss Contax 135mm T2.1

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Zeiss Contax GL Optics

Prime - Spherical - Full Frame

product details

Focal Length
T-Stop
Type
Format
Front Diameter
Lens Mount
Metadata
Iris Blades
Image Circle

Era / Generation
Contrast & Tonal Character
Sharpness & Resolution
Focus Fall‑Off / Transition
Iris & Bokeh Quality
Flare & Highlight Behavior
Handling & Ergonomics
Build & Modifications
Cinematic Heritage & Credits

*Refer to Technical Specifications table. Not the same for all focal lengths.

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Technical Specs Table

T-Stop

Type

Format

Front Diameter

Lens Mount

Metadata

Close Focus (ft)

Close Focus (m)

Weight (lbs)

Weight (kg)

Length (in)

Length (mm)

Iris Blades

Image Circle

Front Filter

Rear Filter

Horizontal Angle of View (Full Frame)

Horizontal Angle of View (S35)

Focus Rotation

T2.9

Spherical

Full Frame

110 mm

–

0.23 m

–

330°

T2.1

Spherical

Full Frame

110 mm

–

10"

0.25 m

–

330°

T1.5

Spherical

Full Frame

110 mm

–

11"

0.28 m

–

330°

T1.5

Spherical

Full Frame

110 mm

–

1'6"

0.46 m

–

330°

T1.5

Spherical

Full Frame

110 mm

–

0.91 m

–

330°

T2.1

Spherical

Full Frame

110 mm

–

2'4"

0.71 m

–

330°

T2.1

Spherical

Full Frame

110 mm

–

4'9"

1.45 m

–

330°

Image Performance

Handling & Adaptability

The inclusion of a single aspheric optical element makes it visually compatible with both the multi-aspheric Leica Summilux-C and the spherical Leica Summicron-C primes. With nine lenses in six groups and apochromatic correction, outstanding resolution and contrast can be achieved all the way to the edge of the frame.