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Lens issue or User issue?
Got a Canon XTi last week and the photos are not as sharp as I am used to. I am using the kit lens and shootion mostly auto at this point. I was told the IS lens will make a huge difference. Is this true? If so would you recommend the 18-55mm IS or the 17-85mm IS. Also, thoughts on buying on e-bay. I have seen some great prices.Thanks..

Comments (10)

There are two things going oposite to the good picture sharpness.

1)your camera.

DSLRs are more conservative to sharpening than Point&shoot cams. If you want as sharp images as from P&S, you have to increase sharpness in your camera rapidly or do right postprocessing..

2) yes, the lens is a bit worse, and more blurry. you could hlep youurself with buying better IS lens version with better results. But If you wil sharpen a bit more than usually, it will be ok.Why does he do it?..

Comment #1

Digital camera sharpness is a combination of fivethings..

How still do you hold the camera. If the camera shakes, pictures can blur..

How well do you focus. Sometimes the camera is focussed a little in front of, or a little behind, the main subject..

Show sharp is the lens. This is usually not much of a problem today, when the lens is not used at it's maximum (lowest number) aperture..

BIG ONE. How is the electronic digital sharpening software built into the camera working? Point and shoot cameras are usually set to higher in-camera sharpening than are digital single lens reflex cameras. You can make the in-camera sharpness higher by going to the parameters settings in your camera..

What post-processing do you do? Afterthe picture is transferred to the computer, you can use software like Adobe Photoshop Elements to make the photos a bit sharper. You need good original pictures, but then using the sharpening control will make them even better..

So... buying a new lens is not necessarily the answer..

BAK..

Comment #2

OK one more stupid question....once I set the parameters will the settings be carried thru to every photo I take no matter what image zone I choose? What do you usually have your parameters set at?Thanks so much!!!!..

Comment #3

Kathleen clayton wrote:.

OK one more stupid question....once I set the parameters will thesettings be carried thru to every photo I take no matter what imagezone I choose? What do you usually have your parameters set at?Thanks so much!!!!.

I don't think pictures taken in 'green box' zone will be affected by... anyting. It really is full auto. Don't know about the other basic zones, but it's in the manual..

Parameter settings that works fine for me: Sharpening set to 6, contrast to +1 and maybe saturation to +1. This will produce sharp, colorful photos more like P&S cameras do. You may loose som fine details though, but for everyday photos it's OK..

___JS..

Comment #4

Kathleen clayton wrote:.

Got a Canon XTi last week and the photos are not as sharp as I amused to. I am using the kit lens and shootion mostly auto at thispoint. I was told the IS lens will make a huge difference. Is thistrue? If so would you recommend the 18-55mm IS or the 17-85mm IS.Also, thoughts on buying on e-bay. I have seen some great prices.Thanks.

Congrats on a great camera....just got one as well.......with the 18-55IS. Another great choice is the Tamron 17-50 f2.8.

I'd move into the 400D and SLR Lens forums from now on to gather more help and info. Read what other users have said about the IS lens.......http://forums.dpreview.com/...forums/read.asp?forum=1029&message=26163447.

You should sell the non-IS version on eBay.Regards,Hank.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window.

Cross-train and have your resume updated...the writing's on the wall..

Comment #5

Parameters like sharpening and contrast of JPEGs do not change once set, and are quite separate from exposure issues. Once you have set the degree of sharpening you like, it will be applied to all JPEG pictures. It sounds like you may need to increase the sharpening applied in-camera; alternatrively, you can do it later in Photoshop (or something similar)..

The Canon 18-55 kit lens is not great: see the review on.

Http://www.photozone.de/8Reviews/lenses/canon_1855_3556is/index.htm.

... as you will see it has problems at the extremes and wide apertures (as do all zoom lenses, but particularly this one). The camera deserves a better lens when you can afford it..

Best wishes.

Mike..

Comment #6

The link should have beenhttp://www.photozone.de/8Reviews/lenses/canon_1855_3556/index.htm.

- which is the standard kit lens that you probably have. The previous link I give is to the newer version with IS (which appears to be a lot better!).

Best wishesMike..

Comment #7

People are telling you the lens you have is not great..

Eh, yes and no..

It's not a great lens, but it' is well up to the standards of point and shoot lenses ( which we think you're used to ). It's not actually bad, more mediocre by DSLR lens standards, but this is a high standard..

It's quite capable of being used to good effect and I would not blame the lens..

You do not need a new lens to take sharp photos...

StephenG.

Pentax K100DFuji S5200Fuji E900PCLinuxOS..

Comment #8

Having a DSLR gives you advantages that P&S users don't have..

Personally, I would not jack up the sharpness in-camera. You can always tweak it up later when necessary. By setting the camera to apply minimal in-camera processing, you'll get better results in your photo editing software..

Of course, if you aren't interested in post processing, then by all means, tweak up the in-camera setting as required..

That's just not how I'd recommend doing it, that's all.http://www.pbase.com/digirob..

Comment #9

Thanks all... setting the parameters worked wonders. Now I will start asking questions re the flash!!!!Thanks again!!!!..

Comment #10

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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