Tamron 35-135mm F/3.5-4.2 Adaptall PK Mount Camera features a silver faceplate

features a silver faceplate

in full daylight

center mounted

Compact DSLR camera attached to a lens

Tamron 35-135mm F/3.5-4.2 Adaptall PK Mount Camera features a silver faceplateA moderate wide angle to moderate telephoto zoom lens with above average optical performance. This lens features continuous focusing (CF) into macro mode with 1: 4 macro magnification at the 135mm setting. Maximum aperture varies from F 3. 5 at 35mm to F 4. 2 at 135mm. The floating element optical design and mechanical construction is somewhat similar to Tamron's SP 28 135 model 28A with the exception of the macro mechanism. Introduced in 1982, this