repleo wrote:
I would follow the lens manufacturers recommendations. As far as I know, none of the Sony Alpha (A-mount) lenses have in-lens stabilization so the A99's in-body 5 axis stabilization is probably not designed to interact with any other manufacturer's in-lens stabilization. The spec sheet for the A99 says the 5 axis IBIS works with 'compatable Sony lenses'. If you are using non-Sony lenses, you may have to go into the menus and tell the camera what focal length you are using.
Ah, Phil … sorry - missed that before - so Leo is your last name, then …
A couple of things you seem to be a little confused, about. First - the original a99 only has the standard two-way IBIS used in all of my APS-C SLTs. The 5-way IBIS, used in the a99 II - is the kind with circular motion stabilization (for want of a better way to describe it) and the a99 II is the ONLY SLT, at present - which employs it. This camera uses the same body as my a77 and a77 II - but has a 42MP FF sensor, and costs $3200. I don't have that model. But my Sigma EX 105 OS HSM Macro is a DG lens - which means it's designed to be used on FF bodies, but can also be used on APS-C bodies, which all of mine, are. And, yes - you are right - all Sony lenses, and all Zeiss lenses, made for Sony cameras, lack stabilization as they are designed to be used on a-mount cameras, which all have built-in stabilization. So, then - your recommendation is to go with the 3rd-party manufacturer's recommendation, whether Tamron or Sigma.
Just saw that on the reread. Phil … Canon employs a routine whereby it instantly recognizes Canon lenses and then sets up parameters, accordingly. If you use 3rd Party Lenses, though - you do need to indicate the focal range, and the fastest shutter opening, before you can adjust parameters. But, in most cases - if the range, or the fastest f-stop, is too far different from standard EOS lenses, that will NOT be possible, anyway. Canon is the only manufacturer (that I know of) to employ this routine, however. Sony, Nikon and Pentax - do not require one to do this, although Pentax does have a similar scheme, which DOES automatically register when a Pentax lens is employed. However, the Pentax body does not have the ability to set parameters, as the Canon bodies do. It would be nice if they ALL did this, tho' - huh, Phil?