Re: In-camera/In-lens IS



On Sun, 18 Jan 2009 10:34:05 -0500, Alan Browne
<alan.browne@xxxxxxxxxxxxxxxxxxxxx> wrote:

RahQ5@xxxxxxxxx wrote:
Which is better? I got a Sony Alpha 350 for Xmas, with 2 lens that don't
seem to have IS. The 18-70 and the 75-300.

According to the manual, it is in the camera. Is there any difference in
quality?

I have to buy CF cards for it, which is surprising, since I thought all
Sonys used only MS cards.Probably have to go to Ebay for a MS/CF adapter
for it if I want to use memory sticks. Thanks!


In camera anti-shake is not as effective as in-lens IS/VR. You can
expect 2 stops (maybe a bit more) of effectiveness v. 3 - 4 stops with
in-lens IS/VR.

This is not necessarily true. There are some in-camera systems that
give more than 2 stops. (Olympus on the E3/E30 is supposed to be
better than that and I believe some of the higher end Sony's also.)
However since the in-lens systems are made specifically for that focal
length, they are generally better.
But as you point out next:
Advantage is that all Sony (Minolta) lenses will benefit from the
anti-shake.
in-camera will work with all lenses - you don't have to constantly
purchase the more expensive and generally larger and heavier lenses
with the IS built in.
.



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