Using Pentax S-M-C lenses (M42) at Spotmatic SP and Ricoh TLS 401

[Thomas78]

Hello,

I have some of the Pentax S-M-C lenses (M42, the type for full aperture TTL metering).

Can I use them on a Spotmatic SP and a Ricoh TLS401 without damaging camera and/or lens and does the aperture work correctly while the camera takes the picture ?

 

[sevo]

IIRC all manual focus Pentax K lenses are fully back- and forward compatible, issues did not begin until AF.

 

[Dwig]

IIRC all manual focus Pentax K lenses are fully back- and forward compatible, issues did not begin until AF.

The OP has m42 lenses and bodies, not K mount.

@OP:
There will be no problem using the S-M-C Takumars on earlier Pentax or other Pentax/Praktica m42 mount cameras. You will need to do stop-down metering with any such metered bodies even if those bodies supported there own full aperture metering (few did). When Asahi/Pentax added the full aperture meter coupling they made sure the lenses and bodies were both compatible with the earlier versions.

 

[rbelyell]

yup, no problems. the 401 is a great great camera too, enjoy it!
tony

 

[Thomas78]

The OP has m42 lenses and bodies, not K mount.

@OP:
There will be no problem using the S-M-C Takumars on earlier Pentax or other Pentax/Praktica m42 mount cameras. You will need to do stop-down metering with any such metered bodies even if those bodies supported there own full aperture metering (few did). When Asahi/Pentax added the full aperture meter coupling they made sure the lenses and bodies were both compatible with the earlier versions.

yup, no problems. the 401 is a great great camera too, enjoy it!
tony

Thank you!

 

[lxmike]

let me know how you get on with the 401, Ive always fancied getting one