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DPChallenge Forums >> Hardware and Software >> Fool´s question about Lenses
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11/25/2003 06:04:06 AM · #1
Hi guys!

I have a doubt about lenses, perhaps, it is a stupid question, but so I´m new in photography´s world, I have the following question: the lenses of analogic camera are the same to digital camera?

Thanks in advance
11/25/2003 06:30:07 AM · #2
You are correct, the same lenses that work with film cameras (SLR) will work with your digital. The exeption may be old lenses, but that also applies to old lenses on new film cameras.
The other exception is the case where the whole system (body, lenses) is designed around digital, such as the so-called 4/3 system offered by at least one company.
In the case of your Canon, though, any of Canon's current EF lens line-up will work with your 300D. For older lenses, consult Canon's documentation.
11/25/2003 06:39:48 AM · #3
Thanks kirbic!

Your help was very helpful as ever.
11/25/2003 05:55:47 PM · #4
Originally posted by kirbic:

You are correct, the same lenses that work with film cameras (SLR) will work with your digital. The exeption may be old lenses, but that also applies to old lenses on new film cameras.
The other exception is the case where the whole system (body, lenses) is designed around digital, such as the so-called 4/3 system offered by at least one company.
In the case of your Canon, though, any of Canon's current EF lens line-up will work with your 300D. For older lenses, consult Canon's documentation.


Ahh, yes, but i recently found out that using the SLR Rebel lens with the 300D, you will have to magnify it by 1.6 because the CCD chip is 2/3 the size. Therefore a 28-90mm SLR lens is actually 45-145mm. AND, the 18-55mm lens that comes with it is actually 28-90mm.

Hopes this helps, maybe you already knew?
11/25/2003 05:58:41 PM · #5
I believe the 18-55mm lens that it came with is corrected for the 1.6 multiplyer. Correct me if I am wrong. I know that the 18-55mm is inset more I don't know if that is for compactness or to overcome the 1.6 multiplyer.
11/25/2003 06:38:16 PM · #6
Originally posted by Ram21:

I believe the 18-55mm lens that it came with is corrected for the 1.6 multiplyer. Correct me if I am wrong. I know that the 18-55mm is inset more I don't know if that is for compactness or to overcome the 1.6 multiplyer.


The 18-55 is not corrected for the multiplier. If it were, it would actually have to be 11.25mm at the wide end, and that is nearly impossible for a rectilinear lens.
11/25/2003 10:37:47 PM · #7
kirbic, would you, or anyone else, care to recommend a first lens for someone who just got a 10D? Something that would be versatile enough to use as you learn the camera but would still be useful after you develope a full collection of lenses.
11/25/2003 11:16:10 PM · #8
Originally posted by coolhar:

kirbic, would you, or anyone else, care to recommend a first lens for someone who just got a 10D? Something that would be versatile enough to use as you learn the camera but would still be useful after you develope a full collection of lenses.


That's a really tough question, especially since I seem to have made a poor initial choice myself. Well, I guess at least I have benefitted from that experience. Ive certainly found that the 10D is ver demanding of a lens. It has very high resolution, and shows up defects such as softness or chromatic aberrations very readily. You really need good glass to make the most of the 10D (or 300D for that matter). WIth regard to what might be the best lens, a few questions need answers:

1.) What is the budget?
2.) What is/are the most important focal length range(s)? This depends on what type of photography is most important, e.g. longer focal lengths for portrait, wildlife, etc. or wide angle for landscape. Macro has specific requirements as well.

I'll provide what I think are good choices in various focal lengths; by no means are my choices the "best" or "only" choices, they are just my opinions.
First and foremost, I would not recommend the "super-zooms", e.g. the Canon 28-200, the optical quality is compromised for the wide zoom range, and the 10D makes this painfully obvious.

Wide zoom, Canon 17-40mm f/4L, or new Sigma EX 17-35 f/2.8-4 DG (available in January '04?)

Tele-zoom, Canon 70-200 f/4L, or if money is no object, 70-200 f/2.8L IS (at $1600 US, a very expensive, but awesome choice)

"normal", Canon 50mm/1.8, a very inexpensive but optically very good lens. Almost a must, just because it's so cheap (<$80 US), but build quality is in keeping with the price. The 50/1.4 is an awesome lens, but $350. Build quality is good, but I should note I have a problem with my unit.

If budget allows, I would recommend a wide zoom, a tele-zoom, and one of the 50mm lenses. If the 50/1.4 pushes the budget over the top, the 1.8 is a reasonable choice, even though it has plastic mount. If you replace it later you will not lose much, since it will have some residual value, and costs so little to start.

Since you asked for recommendations for starting lens(es), I'll not address specialty lenses like macro or fisheye, except to say that a good tele-zoom with an extension tube can act as a pretty good macro lens.
In summation, note that alot of my picks are either Canon "L" or Sigma "EX", in other words "pro level" lenses. Once you see results from "L" glass, you will not be satisfied with the consumer-grade lenses again, at least with the 10D/300D. IMHO.

Hope this helps, I'm sure others will provide additional opinion. Also, search the forums, there have been multiple threads on EOS lens attributes.


11/25/2003 11:31:14 PM · #9
Thanks kirbic. That was the kind of info I was looking for. Am going thru threads now.
11/25/2003 11:31:56 PM · #10
the 300 mm lens is great!!!
11/27/2003 01:50:58 AM · #11
Which is "the 300mm lens" ?
11/27/2003 10:35:04 AM · #12
I can reccomand the CANON 28-135 USM IS, good for "allpurpose" I like mine a lot...

also check out the Sigma lenses if you like to have very massively built things... ;)

v.
11/27/2003 01:13:51 PM · #13
Originally posted by coolhar:

Which is "the 300mm lens" ?


More than likely referring to the Canon 75-300mm lens... and it is awesome! :-)
11/27/2003 01:57:20 PM · #14
In my opinion there is only one first lens for the 300D/10D/D60 etc. and that is the Canon 50mm f1.8 MkII. It's an optically very fine lens. People always talk about the build quality being low but it is really a non-issue.
11/29/2003 08:13:09 AM · #15
Any other opinions on what would be a good first lens choice for someone going into DSLR for the first time?
11/29/2003 08:35:58 AM · #16
I bought my 300D with the canon 75-300 USM. It's a great lens, very fast, but no good for indoor studio shots because it doesn't go very wide. A week or so later I bought a canon 28-105mm USM lens from mag, and this is the one I use most often. It's got about the same amount of zoom as my old G2, but so much faster at focusing etc. Both lenses are very good but if you want to do 'normal' photography I would suggest the 28-105.
11/29/2003 09:03:46 AM · #17
I would agree with TechnoShroom, the 50mm f1.8 offers fantasic quality for the price (picked mine up for £80, I guess it will be about 80 dollars in US). Although there is no zoom capability, I think this would be a great starting point. that you could build your collection around.
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