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Canon Lens Again
Old 08-19-2005, 06:58 PM   #1 (permalink)
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I went to the local photo store tonight and this lens was suggested to me, Canon EF 70-210mm f/4 telephoto Lens elan usm. I know it's an older lens and it's used, which doesn't bother me but is it a good lens? I want a good lens but can't afford the L series. HELP!!!!!!!!!!!!!!!!!!
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Re: Canon Lens Again
Old 08-19-2005, 07:22 PM   #2 (permalink)
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What do you need the lens for? Focal length desired, and budget.


There is a reasonably priced Canon 75-300 IS lens out there for a couple hundred

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Re: Canon Lens Again
Old 08-19-2005, 07:33 PM   #3 (permalink)
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A lot depends on what you need it for. Also, what's your budget? You can get some fantastic deals on lens in that range. I did a lot of research and ultimately settled on the Sigma 70-210 F2.8 which can be had for $750. It is ultra sharp and rivals the Canon L lens of the same range.



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Re: Canon Lens Again
Old 08-19-2005, 08:38 PM   #4 (permalink)
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I use the same Sigma lens and I was a bit disappointed with it this last week when I shot with Lauren. My observations from the editing session is that it's extremely particular about it's focusing point. I set the autofocus to "single area" and focused precisely on the eyes but in a majority of the shots, the eyes weren't really in focus that much. I've been contemplating getting a 135mm fixed focal length lens and see what, if any, difference that will make. Now, in all fairness to the lens, I have taken some wonderful images with it and they are tack sharp and focused on what I want but this bunch wasn't that impressive. It could be my D70 too. I need to do some experimenting.

I have noticed that if I shoot with strobes, the images are very sharp and don't have that lack of focus. I can't imagine how they would correlate but it's just my observation. What are your experiences with this lens?

Good day sir!

Mike

PS...this shot was shot with the 70-200mm f2.8 on a tripod and in good, outdoor light in the shade. The focal point was the eyes and yet this image looks washed out a bit. I haven't done any post processing other than to resize and bump up the levels a tad bit.


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Re: Canon Lens Again
Old 08-19-2005, 09:47 PM   #5 (permalink)
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Well, when I look at your sample photo, I have to wonder how you actually did the focus. Did you perhaps focus on the eyes, do a focus lock and then recompose? If so, that may be the reason why the eyes are not sharp. But the other problem is the exposure. Here are two histograms of your shot as posted:



The top photo shows the histogram of the whole shot. As you can see, both the shadows and the highlights are clipped. Now look at the histogram in the lower photo of just the face. It shows that the shadows are clipped quite a bit and the histogram is way over to the left. If the exposure was right on, then the facemask histogram should have been closer to the right with a gap on the left as well as on the right.

Whenever the exposure is off, you'll find problems with the sharpness as a general rule.

So, step back and analyse how you shot the shot. Did you do a lock focus, recompose. How did you meter the shot.

The fact that you're getting better shots with strobes is quite suggestive. You're probably shooting at f8 or f11 with strobes and the outdoor shot was probably at f4 or f5.6 and so DOF comes into play more. Also its often easier to get the exposure zeroed in in the studio since you probably use a flash meter and its probably an incident one. That's generally more accurate than the built in meter.

So you have lots of factors at play here. By the way, I like the photo. Its has a nice feet to it and I think that had you used a reflector as a fill on the front and zeroed the exposure it would have been a nice crisp shot.

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Re: Canon Lens Again
Old 08-20-2005, 07:37 AM   #6 (permalink)
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I want it as a general telephoto. For glamour as well scenery. I was told it is better than the newer ones because of the continous f4 aperature throughout the zoom. I am hoping to pay a couple hundred bucks or so.
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Re: Canon Lens Again
Old 08-20-2005, 07:52 AM   #7 (permalink)
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For the constant F4, you mean the 70-200 not the 70-210 correct? If that is the case its a nice solic piece of glass to have via Canon. Otherwise most of the other generics in the realm have a 4-5.6 aperture, so for the constant you had the right lens there to begin with.

If price was the issue, you can try the 75-300 IS lens I mentioned previously, it to has the 4-5.6 on it, but with the IS your making up a little ground and saving a about a hundred bucks. But, honestly I would go with the lens you mentioned originaly. Never heard anything bad about the design, still very nice and internal focusing. Visually, people might think you have an L series lens [img]/ubbthreads/images/graemlins/smile.gif[/img]

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Re: Canon Lens Again
Old 08-20-2005, 08:04 AM   #8 (permalink)
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No it is a 70-210. This is exactly what the salesman told me.

Canon EF 70-210mm f/4 telephoto Lens 200 elan usm
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Re: Canon Lens Again
Old 08-20-2005, 08:13 AM   #9 (permalink)
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*tongue in cheek*

Canon Lens Listing's for telephoto zoom's

Was this a Canon made lens?

And did it look at all like this?



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Re: Canon Lens Again
Old 08-20-2005, 08:26 AM   #10 (permalink)
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No, it's black. I was told it's an older lens, has a macro setting. I don't see it listed on Canon's site but it is a Canon lens. Weird. Here's one that was listed on E-Bay.



http://cgi.ebay.ca/Canon-EF-70-210mm...QQcmdZViewItem
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