Harry Joseph 
, Mar 21, 2010; 07:58 a.m.
After ten years of scrimping and saving I would have to say that my Canon lens outfit is completete. No not all the
lenses are 'L' series, but they do cover the ranges of 20mm to 300mm. These are Pure Canon lenses no Sigmas or
Tamrons in there. Most are zooms, but there are a few primes thrown in there. I chose these lenses based on
reviews, comments, recomendations, to fit my needs etc and unless I drop one by mistake, Canon is not going to be
seeing me any time soon !
Fridrik Skulason , Mar 21, 2010; 08:15 a.m.
But what if there are new and (vastly) improved versions of some of your lenses released? Will you feel an urge to upgrade?
Also, do you interests and needs will not change in the future?
I went through my own lens collection last week, and realized I had three lenses I hardly used any more, and one (the 100mm macro), where an upgraded version had been released which would better meet my needs. So, I sold those four, and decided to buy the new 100mm IS macro lens - and well, maybe one or two fast primes as well.
My interests have changed a bit in the past few years, and those changes are reflected in the lenses I use.
John Crowe , Mar 21, 2010; 08:24 a.m.
Never, I am hooked. I have upgraded through 25 lenses in 25 years, and I am currently at 8. I currently want to add 3 more, but can only do one, maybe two, this year. After those I would still like to add 2 more. Then there's one very expensive one and two exotics that I know I will never likely afford.
Mine are all primes, actually considering a zoom for the first time in many years. It has been 24 years since I have bought a NEW lens.
Mark Kissel 
, Mar 21, 2010; 08:37 a.m.
Harry, I still lust after a few lenses in the current Canon lineup. However, those are more in the "would like to have" category rather than the "needed" category. I find most of my subject matter only requires two or three lenses. But there's nothing like getting that shiny new model and putting it through its paces. I'm always on the bleeding edge looking for that next new version.
Ben Goren 
, Mar 21, 2010; 08:54 a.m.
My collection will be complete when I have one of everything Canon makes.
No, wait…make that two or three.
In seriousness, I have everything I need. I’d like a 35 f/1.4 and a 300 f/2.8, but I’m not
entirely sure what I’d do with the former and the latter is a hell of a lot more money and weight over
the 300 f/4 I already have.
Not too long ago I bought a beat-to-hell 70-200 f/2.8 from the local pro shop for $800. Optically and mechanically it’s fine. If they get either of those lenses in similar condition for a similar price, I’ll probably pull the trigger; otherwise, I’m pretty much set.
Cheers,
b&
Ken Schwarz
, Mar 21, 2010; 09:45 a.m.
Now that you've completed your 35mm set, it's time to move to medium format and start all over! :-)
Yakim Peled
, Mar 21, 2010; 10:41 a.m.
Always.
Happy shooting,
Yakim.
Matthias Meixner , Mar 21, 2010; 10:51 a.m.
Now you can actually start taking photos ....
Mike Stemberg 
, Mar 21, 2010; 11:21 a.m.
I guess I will never really know till I have some quality full hands-on time with some of the lens that I have yet to experience first hand. Some of the lens that spring immediately to mind are those awfully expensive long range primes, and even those relatively expensive Tilt Shift lens and even the Fish-eye types too.
Jan de Bever , Mar 21, 2010; 11:35 a.m.
i bet you'll convince yourself you need a 14 or 400 within 2 years.
Probably both :-)
A collection is never complete. So keep on saving till you have all lenses Canon makes, or till your wife tells you you can't buy any more.