A guy called Falk Lumo has concluded that Pentax' system is only efficient up to about 200mm focal length. Iirc, he did his testing in the K20-D era.
Godfrey DiGiorgi <[email protected]> wrote: >On Tue, Oct 23, 2012 at 2:15 PM, Brian Walters ><[email protected]> wrote: >> Interesting article that uses a K-5 and a Sigma 50-500 mm HSM lens. >The >> article doesn't say what focal length was used in the tests but >presumably >> it was the long end. >> >> >http://www.digitalversus.com/digital-camera/image-stabilisers-optical-mechanical-a1608.html > >I'll read the article a little later, but my personal experience with >both systems says: > >- OIS is better for video and working with a DSLR using long lenses >because it stabilizes the image you see in the viewfinder. It's >downside is that, of course, you only get IS with lenses so equipped. > >- IBIS is convenient as all lenses can benefit from it. > >- Regards efficiency of performance, I haven't seen much in practical >terms that shows a distinct superiority to either system in still >camera use. > >BTW, none of my present cameras includes image stabilization of either >type. I haven't seen any evidence this is proving a blocker to my >photography. ;-) -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

