Carl Zeiss C/Y S-Planar T* 100mm F/4 [AE]

Specifications01

MountCONTAX/YASHICA

Focal length100mm

Max aperturef/4

TypeMacro · Telephoto · Prime

Release year1978

Weight285 g

Filter size55 mm

Aperture blades6

Optical elements6

Groups4

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

Lens hoodMetal Hood No. 5 with 55/86 ring G11 55mm Soft Hood

TeleconvertersNot compatible

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeMacro lens

Summary02

100mm f/4 C/Y S-Planar T* lens for the Contax/Yashica mount, intended for macro work. Medium-aperture macro design for close focusing and controlled flat-field performance.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where can this lens be adapted?

The Contax / Yashica mount has a flange distance of 45.5 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

Sony EAdapter · 27.5 mm
Canon RFAdapter · 25.5 mm
Nikon ZAdapter · 29.5 mm
Fujifilm XAdapter · 27.8 mm
L-MountAdapter · 25.5 mm
Micro Four ThirdsAdapter · 26.25 mm
Fujifilm G (GFX)Adapter · 18.8 mm
Covers full-frame: it can vignette on a medium format sensor.
Canon EF-MAdapter · 27.5 mm
Canon EFAdapter · 1.5 mm
A rear element that sticks out can hit the camera mirror.

No plain adapter reaches infinity focus on: Nikon F.

Sources03

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Other Mounts03

No alternate mounts are indexed for this family yet.