Tamron 105mm F/2.5 CT-105

Specifications01

MountTAMRON ADAPTALL

Focal length105mm

Max aperturef/2.5

TypeTelephoto · Prime

Release year1976

Weight275 g

Filter size52 mm

Min focus distance1.3 m

Aperture blades6

Optical elements4

Groups4

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings + Auto Exposure setting with 52CB Minolta MD 53C Konica AR 56C Fujica AX 61C Ricoh XRP 63C Pentax KA adapters)

TeleconvertersTamron SP 2X Teleconverter 01F→ 210mm F/5

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeShort telephoto prime lens

Field Notes02

Tamron 105mm f/2.5 telephoto prime for the Tamron Adaptall mount, intended for portrait and general telephoto use with a wide maximum aperture.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

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Other Mounts03

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