Wednesday, December 9, 2009
Sigma 17-70mm F2.8-4 DC MACRO OS HSM
With a filter size of 72mm however, buying new filters will not be a cheap affair. In the past, photographers sometimes found their third-party lenses incompatible with their new SLRs because of electronics issues. There's no assurance that the Sigma will be fully compatible with future Canon, Nikon, Sony or Pentax DSLR bodies, but there're programs currently by third-party manufacturers to re-chip the lenses to work with the latest cameras.