--Yes, as I said, in-body stabilization systems, like any mechanical
systems, can fail too. There are occasional posts about it, as there
are about occasional in-lens IS failures. Here is just one on the
Canon forum:
http://forums.dpreview.com/forums/read.asp?forum=1019&message=21689036
There have been others but it is virtually impossible to search for
them since IS just so happens to be one of the most common English
words.All I can say is that they pop up from time to time. My
point was not that in-body is more reliable, my point was that for
decades and decades the body was the main point of failure and not
the lens (unless the lens had been dropped or abused) since the body
had the more intricate and delicate mechanical parts. Canon's IS
design has shifted some of that to the lens now. The same can be
said for the in-lens motors, but they are probably much less
delicate, sensitive to alignment issues, etc. than IS mechanisms. As
I mentioned before, bodies get replaced from time to time for many
reasons, but most people don't replace their lenses so often. I have
MF lenses over 30 years old that work as well as new and I have AF
lenses over 20 years old that work as well as new.
José, none of my points in various posts is saying that in-lens IS
doesn't work, is unreliable, etc. It is just to counter points made
concerning in-body IS that get repeated so often in various forums.
I'm just trying to get at the truth. I have often pointed out the
things that Canon does much better than Sony/KM on this and other
forums when incorrect info about Canon was posted.
As I have written a few times before, I like my Canon 30D much more
than my old KM 7D or Sony A100 in most respects, but I like the Sony
SSS much better than Canon IS. Until I see the new Sony A200 or A10
or whatever it is called and can evaluate it, what I would like to
see is a 40D with in-body IS since that would be closer to what I
want. Even the Canon 5D occasionally tempts me. Truth be told, last
week I loaded up my shopping cart at Amazon.com with a 5D + 24-105mm
f4L IS + 17-40mm f4L + 70-200mm f4L IS + 50mm f1.4. It sat there for
a day or so while I debated hitting the BUY button.
--
Henry Richardson
http://www.bakubo.com
--That is sort of how it looks to me too. They sure are making a lot
of noise about in-body IS so it will be very interesting to see what
happens in the future, especially if they do eventually offer it.
Greg
--
http://www.pbase.com/dadas115/
I didn't say that no one does, but I still have to wonder how many do -- especially that 600mm f4 you use handheld. I use a monopod a lot, especially with non-IS lenses or bodies, when traveling even though I prefer not to and that is with wide-angle, normal, and not too long (less than 200mm) lenses. It is hard to understand why you would find a monopod a problem, but I am not criticizing you for not using one. I assume that handholding these long lenses with IS works for you.You have a point about some of what you have said, but I must also point out that you keep repeating your one-person experience and extrapolating that out to the whole user community experience. I think we have reached the point where it is pointless to go any further. Don't you agree?
I already posted one. There have been others over the several years that I have followed the Canon forum. I never said there were tons of them, just that they pop up from time to time. I have already seen them, but if you are interested you can wade through the forums for the last few years and find several.
I just reported what someone some time back reported he was told. As I said, if you want to find it be my guest. Since I already saw it I don't feel the need to waste my time trying to find it again.
Definitely agree. Strong competition is great for us as customers! I really like my 30D, but would love to see Canon and Nikon and Sony and Pentax and Olympus all be strong competitors.
Yes, that is a legitimate point and if Sony doesn't do something about its outrageous pricing for some of its lenses it is going to be an ongoing mitigating factor. Fortunately. there are tons of used Minolta lenses and 3rd party lenses that are usually not so expensive.
I saw Phil's rather simple test of the KM 7D's AS, but I missed the test of the Canon IS lenses. Can you provide the URL?
Aha - okey I see ;-)
What mirror lens you used with that test ? KM AF 500/8 or some of these manual 500/8 mirror lens (Tamron, Sigma, maksutov...) ? Because camera can use focal distance value with KM AF 500/8, but not with manual lenses - this can make differences how well AS operate.
I'm ex KM 5D user (after KM I bought Canon 20D) but now I have Pentax K10D. I have done also some simple "not very scientific" tests how well Pentax K10D's SR (AS) works with my manual Tamron SP 500/8 mirror lens:
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