sambit_satpathy Posted February 12, 2003 Share Posted February 12, 2003 Hi all,I am considering to buy an EOS Rebel Ti. Now in the kit it comes with a 28-90 mm Canon EF II lens.Also at some places I have seen about USM lenses.Can anybody please help in understanding the difference between the 2 models. Which is better in quality and why?So buing the kit i.e. EOS Rebel Ti + EF II is a good option or buying the Ti body and USM separately will be a better option?All suggestions are welcome.Thank you.Sam Link to comment Share on other sites More sharing options...
jerry_ilo1 Posted February 12, 2003 Share Posted February 12, 2003 Sambit, the 28-90 lens that comes with the kit form of the camera is okay at the very best, kinda soft and sluggish.I would suggest you buy the body it self and get the 28-105 usm lens. A much better lens by far, way sharper better auto focus. Link to comment Share on other sites More sharing options...
continuity Posted February 12, 2003 Share Posted February 12, 2003 Try looking at photo.net's Canon reviews... <p> <a href="http://www.photo.net/equipment/canon/lens-motors">When is a USM not a USM</a><p> And maybe try NK Guy's site: <a href="http://photonotes.org/articles/beginner-faq/">photonotes.org</a> Link to comment Share on other sites More sharing options...
fj5 Posted February 12, 2003 Share Posted February 12, 2003 I agree with Jeremy... I know it's much easier to go on here and post a question... but you'll find some really great sites out there if you just take a look. try www.photonotes.org , look around this site, www.photographyreview.com , and www.canoneos.com and click on the EF Lens button on the right. If you can afford it... the USM is fast and quiet... both 28-90mm models aren't very good optically though (I've read and somewhat tried comparing the 28-90mm USM with my 50mm). If you're looking to use this camera for just regular snaps like a point and shoot... then get a pt and shoot. If you want this camera for more control but still expect pt and shoot types of photos... just stick with the regular kit lens and save the money. If you plan on using the camera for faster moving subjects and maybe in quieter places, get the USM if you have the money. If you want to become serious... and I mean actually read up some stuff about photography and really care about quality, get a prime or if you need a wider range and can't afford other lenses, the USM would be better (I think) for the extra money. Before buying the camera, read up on it and visit www.canoneos.com and click on the Ti's icon. I love the camera and got a great set to start with. If you need more advice, you can ask me. =) I was where you are now about 2 months ago! =) (but then I started reading) Link to comment Share on other sites More sharing options...
the_macman Posted February 13, 2003 Share Posted February 13, 2003 According to what I can read in advertising, the Ti may come included with a 28-90 USM or a 28-90 non-USM. USM lens as are most current Canon EF lenses (except maybe one or two out of 40+). Simply put, USM is the mechanisms which allows very fast and quiet autofocusing. There's no such thing as EF II since EF refers to the mounting socket on the camera and there's only one EF. Moreover, all USM are EF's. When you'll see a II or III it's a version number. It means the lens has been improved. The full name of the lens included with some Ti kits, if you will, goes like this: Canon EF 28-90mm f/4-4.6 II USM... The II stands for a newly redesigned focusing ring over the previous Canon EF 28-90mm f/4-4.6 USM. There is also a Canon EF 28-90mm f/4-4.6 II (non-USM) available. It's exactly the same glass as the previous one, except it has a new CPU for AF communication with the camera. As I said, some vendors mention USM, some don't, so I conclude (granting them the lucidity they seldom have) that both kits are available... I may be wrong. If both options are present, go for USM. BTW, can someone tell me why Canon just introduced a non-USM version of it? Link to comment Share on other sites More sharing options...
fj5 Posted February 13, 2003 Share Posted February 13, 2003 They introduced a non-USM probably for those "price watchers"... not everyone will find the benefits of the USM that useful... also, the non-USM lens which comes with the kit has a matching finish. I guess it was easier and safer (commercially) to mass produce the matching finished lens to sell with the body as the cheaper type. Personally, I like how the black lenses look on my Ti anyway. =p Link to comment Share on other sites More sharing options...
the the Posted February 13, 2003 Share Posted February 13, 2003 Question: When does a II or III designation not mean an improvement? Answer: When the 50mm 1.8 went from having a metal flange, a distance window, and a good focusing ring to the current model that exists today. But, then again, the 50mm MkII is cheaper, so maybe that is an improvement. Who knows. Canon confuses me. Link to comment Share on other sites More sharing options...
fj5 Posted February 13, 2003 Share Posted February 13, 2003 I don't think that every new model is really an improvement. Change yes, but the improvement part is in the eyes of the beholder! =p It confuses me that the 50mm II was changed to a plastic mount... price, however, was very attractive to me and so that was one of the main reasons why I bought it (besides it's well-renowned optical quality)... I guess the marketing tactic worked. =) Link to comment Share on other sites More sharing options...
jnoir Posted August 9, 2009 Share Posted August 9, 2009 <p>In case someone is monitoring this thread and/or loves historic data:</p> <p>My EOS 55 (a kind of "special" edition of the EOS 50(E) / Elan II(E) sold in Japan only, with Panorama function and QD back) came with EF 28-90mm f/4-5.6 USM Silver, matching the finish of the camera. It is a Mk I and not a Mk II, and I cannot find any reference to it in Canon's Camera Museum.</p> Link to comment Share on other sites More sharing options...
jnoir Posted August 9, 2009 Share Posted August 9, 2009 <p>An image for illustrative purposes</p><div></div> Link to comment Share on other sites More sharing options...
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