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Old Dec 20, 2010, 4:32 PM   #1
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Default Tack sharp lenses

What lenses for Canon dSLRs are typically considered to be tack sharp? I've not seen an attempt at creating a list on these forums, and would like to see a list of Sigma, Tamron, Canon, etc lenses that are typically considered tack...

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Old Dec 20, 2010, 4:56 PM   #2
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Sigma 70mm f/2.8 EX DG Macro (Tested)
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Old Dec 21, 2010, 3:51 PM   #3
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Eh?

Try photozone.de or slrgear.com

How do anecdotes help you?
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Old Dec 21, 2010, 4:01 PM   #4
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The two resources that are mentioned are very good.

Is there something that you are looking to get as the list is likely long? For example the Canon 500mm f4 rocks as does the 400mm f2.8 and 200mm f2..... however, we are talking serious money and serious special usage.
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Old Dec 21, 2010, 4:43 PM   #5
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You left out the 300 2.8 Mark!
Also the 85 1.2
70-200 2.8 IS II
35 1.4
135 2
24 TSE
and quite a few others.
The ones that I know of that are stunning also come with a stunning price tag.

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Old Dec 21, 2010, 5:54 PM   #6
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Quote:
Originally Posted by JustinThyme View Post
You left out the 300 2.8 Mark!
Also the 85 1.2
70-200 2.8 IS II
34 1.4
135 2
24 TSE
and quite a few others.
The ones that I know of that are stunning also come with a stunning price tag.
My list wasn't meant to be definitive otherwise there would be a whole lot of macro lenses etc, it was more to show that the tack sharp lenses are not always the norm for us to use.
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Old Dec 22, 2010, 6:44 AM   #7
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I know Mark, just rubbing you a bit.
The list is a bit large and much easier to define based on a particular need.
I left out one of my favs the 24-70L
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Old Jan 3, 2011, 12:58 AM   #8
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Haven't seen this one suggested yet so I guess I'll jump in and do it. I can only speak concerning canon's 5dMII model as this is what I shoot with. This model and Canon's other pro and semi-pro models allow you to AF micro adjust your lenses so if they're not tack sharp from the factory, they will be if you take the time to do this adjustment. It is my opinion that it doesn't matter what make of lens is sharper, they all need to be adjusted to your camera body.

Early on in my photography, I didn't like the fact that I paid a lot of money for my equipment and images turned out "soft". It wasn't until I upgraded from my canon 20d to the 5dMII that I looked at AF micro adjusting my lenses.

I would have to sharpen nearly all the images I would keep before doing the AF micro adjusting and since making those adjustments with the 5dMII sharpening in pp is a very rare, if at all, occurrence. Here is a link for you to check out on AF microadjustments.

http://www.northlight-images.co.uk/a...djustment.html

Kevin
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Old Jan 5, 2011, 8:40 AM   #9
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MA is a nice feature and I use it as a temporary fix until I can get the lens in for calibration. My personal experience is that 50% of new glass needs calibration, some just slightly and others quite a bit.

Do realize however that no amount of MA is going to change a lens that is soft even when focus is spot on.
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Old Jan 11, 2011, 9:30 PM   #10
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I was thinking of tack zooms from Canon, Tamron, Sigma, etc, as I know the list of primes is very long.

Anyway, I am buying a 70-200mm f4L IS. What is one of the best wide zooms? I'm looking for landscape and travel photos with the wide. After getting the inexpensive 50mm f1.8, I realized how soft my Sigma lens is. I don't want a superzoom, but want a nice tack sharp lens with limited distortion. Basically, I want a lens the quality of the 70-200mm f4L IS that covers from 17(ish) to 70 mm. Looking at these, it doesn't look like Canon has a great one that dips that low. Is there a good Tamron or Sigma that is tack sharp at this range? I looked over the review sites, and they can be a bit over-optimistic at times, it seems.

Thanks for the help!
Dave
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