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DPChallenge Forums >> Tips, Tricks, and Q&A >> I want wider pics on my 300D :(
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07/13/2004 03:08:55 PM · #1
I'm a big fan of wide angle shots and I really like photographing houses/buildings and interior shot. But as some of you know the sensor in the 300D is smaller than a 35mm frame and therefore there is magnification, 1.6x to be excact.. (is this with the 10D as well??)

So do you have any suggestions??

Any good, CHEAP lenses (I already have the 18mm EF-S, so I want smaller than that (18mm*1.6 = 28.8mm) ?

wide angle converters.. Are those any good? do they all give fisheye looking pics??
or just a new camera??

I don't have alot of money (200$-300$), but please give me all the options, even if it's out of my price range, I'd like to know what's good to get when I have some more cash :)

PS: are all digital SLR like this (sensor smaller than 35mm frame)?? Nikons? higher end Canons? I'm curious :)
07/13/2004 03:09:59 PM · #2
Sorry, I just realized this belongs in the Q & A forum.. :(

i'm new :)
07/13/2004 03:11:23 PM · #3
Depends how cheap/ bad you want. You can get a 0.8 camcorder fisheye, and mount it on a 24mm lens and get a 8mm effective lens I think it works out at... pretty wide angle/ fishy and costs about $60

//www.pbase.com/gordonmcgregor/semifish



Message edited by author 2004-07-13 15:20:46.
07/13/2004 03:17:46 PM · #4
the higher end pro digital slr's have a full frame sensor.
but you pay dearly for it...


07/13/2004 03:37:49 PM · #5
Originally posted by valdiorn:

I'm a big fan of wide angle shots and I really like photographing houses/buildings and interior shot. But as some of you know the sensor in the 300D is smaller than a 35mm frame and therefore there is magnification, 1.6x to be excact.. (is this with the 10D as well??)

So do you have any suggestions??

Any good, CHEAP lenses (I already have the 18mm EF-S, so I want smaller than that (18mm*1.6 = 28.8mm) ?

wide angle converters.. Are those any good? do they all give fisheye looking pics??
or just a new camera??

I don't have alot of money (200$-300$), but please give me all the options, even if it's out of my price range, I'd like to know what's good to get when I have some more cash :)

PS: are all digital SLR like this (sensor smaller than 35mm frame)?? Nikons? higher end Canons? I'm curious :)


Sigma makes a 12-24mm rectilinear zoom that does not have fisheye distortion. Makes for a 19mm equivalent on a 10D. Costs about $650.

Canon's widest lens is 14mm, but it's an L series and is about $1800

Canon also make a 15mm fisheye, that's about $580, but to get a rectilinear image, you will need to "de-fish" each image.

Sigma makes 8mm and 15mm fisheye lenses that are about $590 and $450 respectively, they will also require some "de-fishing" of the images.

Sigma also has a 14mm f2.8 rectilinear lens, and it is about $900

None of these options are particularly cheap, but I can say that I do like my 12-24.



Shot with Sigma 12-24 @ 12mm
07/13/2004 03:48:06 PM · #6
Originally posted by Spazmo99:




Shot with Sigma 12-24 @ 12mm


Damn that is spiffy.
07/13/2004 04:04:32 PM · #7
as the 18- 55 efs is made for the 300d it is actually 18-55 there is no 1.6 factor
regards
Harry
07/13/2004 04:12:23 PM · #8
Originally posted by Harryg:

as the 18- 55 efs is made for the 300d it is actually 18-55 there is no 1.6 factor
regards
Harry


There is no 'crop factor' as it doesn't make a larger than the sensor image, but in 35mm equivalent terms, it is still a 28mm lens at the wide end.
07/13/2004 04:21:26 PM · #9
Originally posted by wwwavenger:

Originally posted by Spazmo99:




Shot with Sigma 12-24 @ 12mm


Damn that is spiffy.


Well said. It sure is spiffy. :o)
07/13/2004 04:22:29 PM · #10
Originally posted by Gordon:

Originally posted by Harryg:

as the 18- 55 efs is made for the 300d it is actually 18-55 there is no 1.6 factor
regards
Harry


There is no 'crop factor' as it doesn't make a larger than the sensor image, but in 35mm equivalent terms, it is still a 28mm lens at the wide end.


I don't know if that's true. From what I read, regarding the lense that comes with the 300D kit, the lense is designed to provide a true 18-55mm range. Unlike other lenses the kit lense actually goes into the body of the camera slightly, which 'removes' the 1.6x multiplier by placing all of the available light onto the sensor.

'Standard' EF Series and compatible lenses don't pour all of the available light onto the sensor, which is what creates the 1.6x multiplier.

I have read a few warnings to not ever put that lense into an EF compatible 35mm body or any other Canon-EOS bodies as the part that enters into the body could easily damage those camera bodies.
07/13/2004 04:29:04 PM · #11
Hmm - so the 'kit' lens is a really wide, wide angle to standard lens then ? seems an odd choice of focal lengths for a kit lens. In the past canon provided medium wide angle to medium telephoto lenses as their starter lens.

Message edited by author 2004-07-13 16:41:38.
07/13/2004 04:32:39 PM · #12
Originally posted by Nelzie:

Originally posted by Gordon:

Originally posted by Harryg:

as the 18- 55 efs is made for the 300d it is actually 18-55 there is no 1.6 factor
regards
Harry


There is no 'crop factor' as it doesn't make a larger than the sensor image, but in 35mm equivalent terms, it is still a 28mm lens at the wide end.


I don't know if that's true. From what I read, regarding the lense that comes with the 300D kit, the lense is designed to provide a true 18-55mm range. Unlike other lenses the kit lense actually goes into the body of the camera slightly, which 'removes' the 1.6x multiplier by placing all of the available light onto the sensor.

'Standard' EF Series and compatible lenses don't pour all of the available light onto the sensor, which is what creates the 1.6x multiplier.

I have read a few warnings to not ever put that lense into an EF compatible 35mm body or any other Canon-EOS bodies as the part that enters into the body could easily damage those camera bodies.


The 300D kit lens is a 18-55mm lens.

It does NOT provide an equivalent field of view to an 18mm lens on a 35mm camera. At least the one we have here at work doesn't, not even close. The crop factor give the wide end a field of view equivalent to a 28.8mm lens on a 35mm camera.

See Canon's own webpage about the 300D, specifically, the 2nd paragraph of the lens section where it mentions the 35mm equivalent of the 18-55mm kit lens.

Canon 300D

If you don't believe it, take a trip to the camera store and compare them yourself.

Message edited by author 2004-07-13 16:40:39.
07/13/2004 04:47:37 PM · #13
Hmmm...

It seems the tech reviews I read about that camera were written by folks that didn't bother to devour all of the information off the Canon web-site regarding the 300D.

I didn't bother reading Canon's web-site myself since I am very leery of trusting the claims of vendors. Perhaps I should re-evaluate that stance and apply a strong 'filter' to what I read off a manufacturer's web-site, and compare that with the reviews I read.

Thanks for pointing that out.
07/13/2004 04:56:59 PM · #14
me too thanks for that link, am going to stuff it right up the shop "Pro" with that.

regards
Harry
07/13/2004 05:07:14 PM · #15
Originally posted by Harryg:

me too thanks for that link, am going to stuff it right up the shop "Pro" with that.

regards
Harry


LOL - don't you love camera store employees that don't know a friggin thing about the equipment they are selling! I usually just smile and nod when I run across those types. But once I was forced to correct a "knowledgeable" sales person because the load of crap coming out of his mouth was threatening to rise above the level of my boots ;-)

Do these people not realize that we have operational brains?!?
07/13/2004 05:07:42 PM · #16
There are only 3 ways to do this.
1. Get the Sigma 12-24, it is a pretty nice lens, AFAIK.
2. Get full-frame body. Not the cheapest way. :)
3. Get a Olympus E-1 + the 11-22mm (22-44mm eq).

07/13/2004 05:27:58 PM · #17
Originally posted by jonr:

There are only 3 ways to do this.
1. Get the Sigma 12-24, it is a pretty nice lens, AFAIK.
2. Get full-frame body. Not the cheapest way. :)
3. Get a Olympus E-1 + the 11-22mm (22-44mm eq).


Or spend the $60 and get a semi - fisheye lens

for more details on usage and purchase

Message edited by author 2004-07-13 17:29:19.
07/15/2004 09:55:31 PM · #18
Or you could purchase a film SLR like the Canon Rebel, and have the option to use all your current lenses, including the 18-55 stock lens.

:)
07/15/2004 10:31:53 PM · #19
Originally posted by Salar:

Or you could purchase a film SLR like the Canon Rebel, and have the option to use all your current lenses, including the 18-55 stock lens.

:)


The 18-55mm kit lens will not work with film SLRs unless you modify it by removing the metal tab that prevents it from mounting on all other EF mount cameras. If you do so, you run the risk of the mirror hitting the rear of the lens. That would not make for a pretty sight.

The image circle produced by the 18-55mm lens is smaller than that of lenses designed for a full 35mm frame, so the image will fall off severely in the corners, if not vignette.

Personally, I wouldn't do it, but proceed at your own risk.
07/15/2004 11:27:47 PM · #20
Perhaps we have here a test of the counter help of our local camera shops. Ask to see an elan 7 or an EOS 3 and start to slap the 15-55 ef s on it. If they don't lunge across the counter you have found thier level of knowledge.
07/15/2004 11:37:11 PM · #21
I wanna recommend the Sigma 12-24 as well.

The Aspherical lens element corrects the 'fisheye' effect.

BTW: what is "rectilinear"?

EDIT: found this: but what is it?
//mathworld.wolfram.com/GnomonicProjection.html

Message edited by author 2004-07-15 23:39:48.
07/15/2004 11:37:46 PM · #22
Originally posted by BrennanOB:

Perhaps we have here a test of the counter help of our local camera shops. Ask to see an elan 7 or an EOS 3 and start to slap the 15-55 ef s on it. If they don't lunge across the counter you have found thier level of knowledge.


oooh! that IS evil!
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