using a tele converter
Posted 02/10/2014 - 15:00 - Helpful Comment
Link
If the 70-200 is an HSM lens then the Sigma TC (pentax fit) will not work with it. It only works with some screw drive leneses. sigma has a list of compatible lens on their website somewhere.
Regards
George
Regards
George
Posted 02/10/2014 - 15:36 - Helpful Comment
Link
Here is the compatibility chart link
Barrie - Too Old To Die Young
https://pentaxphotogallery.com/artists/barrieforbes
https://www.flickr.com/photos/189482630@N03/
https://pentaxphotogallery.com/artists/barrieforbes
https://www.flickr.com/photos/189482630@N03/
Posted 02/10/2014 - 18:27 - Helpful Comment
Link
Get one of "pz" t/cs as they do support HSM - works with my 150-500 HSM OS Sigma
K-3 II, K-3 and a K-70 from SRS (having now relegated the K-30 /"K-50" to a backup body), & some Sigma and Pentax lenses (and a lot of old 35mm gear!)
Posted 02/10/2014 - 19:00
Link
The Tamron-F 1.4X Pz-AF MC4 works well with the Sigma 70-200 HSM (provided you have reasonably good light) if you can find one. Doesn't give as much range as a 2x converter, but does let in more light and doesn't affect image quality to the same degree.
http://www.pentaxforums.com/userreviews/a-tamron-f-1-4x-pz-af-mc4.html
http://www.pentaxforums.com/userreviews/a-tamron-f-1-4x-pz-af-mc4.html
Posted 02/10/2014 - 19:04 - Helpful Comment
Link
Mine's a Kenko version - almost the same, and it worked with the 150-500 on the K-3 in the bedroom under not-very-good artificial light (but not tried it for real outside)!
K-3 II, K-3 and a K-70 from SRS (having now relegated the K-30 /"K-50" to a backup body), & some Sigma and Pentax lenses (and a lot of old 35mm gear!)
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38 posts
15 years
London
Any suggestions or has anyone else had this problem?
Maggi