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Canon EF 24-105mm f/4L IS USM

24-105lisusm
Review Date: Feb 6, 2006 Recommend? yes | Price paid: $1,095.00 | Rating: 10 

 
Pros: Size, weight, focal length, IS and constant aperture...Superior sharpness at all apertures and focal lengths...Perfect lens for everyday use on a full frame camera...
Cons:
Some vignetting at 24-28mm up to f/6 and the need to explore multiple copies to get a stellar one...

I must start by saying my first copy was a total dud but I will not downgrade because of this aberation...The 24-105 is a stellar lens which is sharp at all focal lengths and apertures...I do not find any softening at 70-105mm as some have reported...

I do feel it's best used with a full frame camera to take full advantage of it's focal length and superior resolving power...When used with both my 5D and the 20D I can clearly see the detailed resolution difference in favor of the 5D/24-105...It also clearly outresolves the 20D/17-85 IS combo...I do not own a 24/28-70 to compare...

I feel that Canon does have some QA/QC issues with this lens above the flare issue which was fixed...I will not downgrade the lens on this because a stellar copy shows no serious faults...Others feel differently as evidenced by their evaluations...

I would not hesitate to recommend this lens to anyone using a 5D or 1ds...While very useable on 1.6x camera I feel other options may be more appropriate if one needs the wide end more...If not the 24-105 will out resolve any other non "L" zoom option out there in this range and aperture...

It remains on my 5D at least 95% of the time...


 
Sigma 20mm f/1.8 EX DG Aspherical RF

20_f1_8_1_
Review Date: Jun 9, 2005 Recommend? yes | Price paid: $329.00 | Rating: 10 

 
Pros: Price--speed--sharpness
Cons:
A little soft wide open

After trying two I finally obtained a superb copy. While soft at f/1.8 it becomes somewhat useable at f/2 and quite sharp by f/2.2. A sharp 20mm f/2.2 lens for $329 is a true bargain...At f/8 it's usually sharper than my 17-40L. Don't be hesitant to try a second copy is the first is sub-par.

I rarely use MF so the two step AF/MF conversion is not a problem for me.

The lens handles and balances real well on the 20D, so I can get crisp handheld shots at 1/10 sec with a concentrated effort...This makes nightime city landscape shots are true pleasure to shoot...Along with the occasional indoor low light shots without flash of the pets and kids.

On or off a crop camera this 20mm lens is also a fine overall daytime landscape lens as well...

As a result of the above I highly recommend this lens.

kd.


 
Canon EF 28-105 F/3.5-4.5 II USM

ef_28-105_35
Review Date: Apr 4, 2005 Recommend? yes | Price paid: $199.00 | Rating: 10 

 
Pros: Optics are superb for a $200 lens...Super quick USM focusing...Very light...Suprisingly sharp wide open and all apertures...
Cons:
Might be a little wide for some on APS-C sensors...

For a $200 lens I'm sorry I didn't buy it sooner...Frankly it's a sharper lens than the 24-85 and 28-135 IS, I owned previously...Contrast and color are pretty much the same...This lens is light and fast enough that IS would have little value for me under normal shooting 95% of the time...With most consumer priced $200 lenses, the difference between wide open and f/8 is huge...Not so with this lens...You have to enlarge above 100% to see any difference between f/3.5 (28mm) or 4.5 (105mm) and f/8 at any focal length, and that's only in the corners...

Obviously it can't resolve with the "L" lenses but at anything under 8x10 one would be hard pressed to spot the difference between the 28-105 and a 24/28-70L or 17-40L...

I highly recommend this lens and gave it a ten across the board because I'm comparing it to lenses close to it's price range...I don't believe there is any lens in this focal length and price that compare with the Canon 28-105 f/3.5-4.5...


 
Canon EF-S 10-22mm f/3.5-4.5 USM

EF10-22
Review Date: Jan 20, 2005 Recommend? yes | Price paid: $749.00 | Rating: 10 

 
Pros: Compact, fairly fast aperture, 77mm filter, minimal distortion, excellent sharpness, contrast, color, etc...
Cons:
EF-S mount...

This lens fills a much needed gap in the wide angle for APS-C sensor Canon cameras...It has quickly become my landscape lens...After trying a Sigma 12-24 I quickly chose the 10-22...For me it was better in every aspect except for price and being limited to the EF-S mount...I doubt I'll ever own a FF camera so this is not a problem...

This lens has opened up a whole new WA world for me and my Canon 20D...This lens is actually fun and I just love it...


 
Canon EF-S 17-85mm f4-5.6 IS USM

EF17-85
Review Date: Dec 19, 2004 Recommend? yes | Price paid: $500.00 | Rating: 10 

 
Pros: Excellent range for the APS-C size sensors...It exhibits more resolution than either my Canon 24-85 or 28-135 IS used on a 20D...The IS is a godsend in low light situtations...They say there is no substitute for a fast lens but I'll take the extra 3 stop IS anyday...
Cons:
Shows a little more CA than 24-85 and 28-135 when wide open...Also even with the IS it would have been nice so see a 3.5-4.5 aperture...

I find this lens to be a super value...The USM is lightning fast and the IS functions flawlessly...Overall, it's the perfect walk around lens for a 20D...I tried the Sigma 18-125, 18-50 f/2.8 and sent them back...I also tried a Tamron 28-75 but got another bad one as usual..The Canon 17-85 IS is at the top of the consumer line walk around lenses...