So I own a 18-55mm kit lens (it came with my 30D) but I've only used a handful of times. Since I got the 50mm I've been using it all the time. I just have to say that it's a great lens =D

So the other day I decided to use my kit lens just to try it out again. I noticed that on the focusing screen the image is a little grainy but when I take a shot the photo comes out clean. I panic thinking there's something wrong with my camera. So put my 50mm lens back on and the image on the focusing screen is clean and not grainy (I hope this makes sense...).

Is the grainy image on the focusing screen normal with kit lenses? If not, what should I do?

TIA

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My posts are natural products. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects.

It shouldnt be noticable but its possible that there is haze from moisture on one of the internal lenses. Although its not showing up through a print or the sensor its picked up through the view finder (due to magnification??) This is my best guess but could be totally wrong.

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Maybe because it says CANON???? Okay, low blow. Anyway. Make sure you look through both lenses at the same f-stop. That may make a difference.

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Throw a little light. If it doesn't come back, it probably fell off...
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Flickr
Nikon D80 (nicknamed Cylopsoid)
Tamron 17-50mm f2.8 Lovin' it. I could glue it to my camera and be happy.
Tamron 28-75mm f2.8 It's the older model w/o the AF motor and it focuses FAST. It's just like the 17-50, only longer.
Nikkor 50mm f1.8d <------creammmmmy
Nikkor 18-55 kit Now in a deep slumber.
Quantaray 28-82 Somewhere in the house.
Nikon N65 Back for the resurrection tour! Coming to defend the faith...
(This spot being saved for hopefully a G9 or G11) Shhhh, I know those are Canons...

There's also a lot of extra glass in the zoom lens as opposed to a prime lens.

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Gear:
Olympus E-30
Olympus 14-42mm f/3.5-5.6 (28-84mm conversion)
Olympus 40-150mm f/4-5.6 (80-300mm conversion)
Olympus 70-300mm f/4-5.6 (140-600mm conversion)

Oh it's ON...like Donkey Kong!!! =D

Anyways...I did look through both lenses at the same f-stop. I still get the grainy image through the kit lens and the clear image on my 50mm.

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My posts are natural products. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects.

So is the grainy image pretty normal with zoom lenses?

BTW...I just skimmed through my original post and my grammar sucks! Now I'm all embarrassed...

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My posts are natural products. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects.

Zoom lenses, by definition, have a lot more glass the light has to pass through.

And don't be embarrassed, it could be worse, you could be a Nikon user.

Hay now. I is a Nikon youser! Nobody never said nothin' about any grammers of mines...

__________________
Throw a little light. If it doesn't come back, it probably fell off...
Cheers
John
Flickr
Nikon D80 (nicknamed Cylopsoid)
Tamron 17-50mm f2.8 Lovin' it. I could glue it to my camera and be happy.
Tamron 28-75mm f2.8 It's the older model w/o the AF motor and it focuses FAST. It's just like the 17-50, only longer.
Nikkor 50mm f1.8d <------creammmmmy
Nikkor 18-55 kit Now in a deep slumber.
Quantaray 28-82 Somewhere in the house.
Nikon N65 Back for the resurrection tour! Coming to defend the faith...
(This spot being saved for hopefully a G9 or G11) Shhhh, I know those are Canons...

You guys are too funny!

__________________
My posts are natural products. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects.