Anyone used Sigma 70-200 non-HSM AND HSM? which is faster AF?

Posted by admin | Posted in Pentax news, Uncategorized | Posted on 08-03-2010-05-2008

0

I have the first version of the Sigma 70-200/f2.8 and the K-7. The AF is pretty speedy by my historical standards (istDs, K20D). However is the HSM version AF faster or just quieter? All ancedotal as well as scientific evidence accepted! ;)

Thanks.

Go to Source

Read More

Write a comment

You must be logged in to post a comment.

  You're new! If you like it here, please subscribe to my feed.      
[Close]
goin up