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Old Nov 17, 2007, 11:26 PM   #1
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Hi All,

I am thinking of purchasing Rebel XTi Digital SLR camera from Rebel Ti film camera.
I have two lenses that i have been using with Rebel Ti film camera.
EF 35-80 mm 1:4-5.6 III
EF 70-300 mm 1:4-5.6 III USM lenses.

Can these lenses be used with XTi Digital SLR Camera ? Are they compatible ?

Thanks
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Old Nov 17, 2007, 11:49 PM   #2
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Yes, but they would appear to be about 60% longer on a Canon DSLR model like the XTi.

That's because the sensor in most DSLR models is about the same size as APS-C film. So, you'll have a narrower angle of view (more apparent magnification) for any given focal length. Just multiply the focal length of a lens by 1.6x to see what focal length lens would give you the same angle of view on a 35mm camera.

For example, your 35-80mm lens would give you the same angle of view you would have using a 56-128mm lens on a 35mm camera. That's one reason you see kit lenses with most DSLR models starting out at around 18mm (because they'll appear to be longer on a DSLR model).

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Old Nov 19, 2007, 10:42 PM   #3
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This was exactly the question I was going to ask, since I too have an old Canon 35 mm Rebel 2000 with:

Canon 28-80 mm

and

Canon Zoom Lens EF 75- 300 mm 1:4- 5.6 III USM

Based on the 1.6conversion the lens would appear to change to:

120-480

44-128

I was considering buying the DigitalCanon XT with the included 18-55.

However, what would I lose if I only used my original 28-88 (44-128 converted) and zoom?

I would like to use the camera for taking pictures of my family and scenic vacation pictures. I am a novice that currently has been using a Canon Powershot A510.

Lastly, since these are Canon lens, they should easily fit on the camera?










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Old Nov 20, 2007, 9:41 AM   #4
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Excelsior wrote:
Quote:
I was considering buying the DigitalCanon XT with the included 18-55.

However, what would I lose if I only used my original 28-88 (44-128 converted) and zoom?
You may not be able to back up enough to get what you want in the frame in some conditions, using a lens where the widest angle of view is like using a 44mm lens on a 35mm camera.

Some users are fine with a lens starting out at 28mm on a DSLR for a walk around lens. But, I'd probably get the kit lens, too (you may want something wider for some conditions and subjects, and it's your least expensive option for that type of lens when you get it in a kit with the camera).

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