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Author Topic: Fisheye's for digital Canon slr's?  (Read 1056 times)
jame$
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Re: Fisheye's for digital Canon slr's?
« Reply #15 on: April 25, 2006, 22:55:57 PM »

Oh if only i could ever afford a 5d, i think i'd kill small animals for one.
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Zakalwe (Dougie)
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Re: Fisheye's for digital Canon slr's?
« Reply #16 on: April 26, 2006, 00:04:45 AM »

take a look at my website... 90% of all my biking photos were taken on a Sigma 20mm... I may not take the best pictures but look at them and tell me the image quality isnt there.  Oh and I have the 70-200mm L, and yes the focusing is faster... but the image quality isnt much different on my 20D. I have no biases and no predudices, you try a lens you either like it or you dont. If you havent tried something then dont comment on it.

If we are going to have a canon sigma debate lets take it to the elitest type threads on all the potn sites... there are millions out there, all covering the same shizz day in day out round and round. some lenses are good some are bad - both makes... L this and nikkor that, at the end of the day look at some of the best photos ever taken, lots of them were taken by lesser equipment with better photographers behind the lens, yes the glass is important but its not entirely critical - kinda like my spelling...
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rab
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Re: Fisheye's for digital Canon slr's?
« Reply #17 on: April 26, 2006, 09:05:36 AM »

At the end of the day look at some of the best photos ever taken, lots of them were taken by lesser equipment with better photographers behind the lens, yes the glass is important but its not entirely critical - kinda like my spelling...

Very true. I've seen people at races with 1D's and a few 20D's as spares Huge range of L glass lenses. But then I recieve feedback from people who say that they prefer the shots i take to the ones taken by this person. So there we go its not all the kit. I'm still shooting with the Kit 18-55 lense. If I stop it down to F/8 or so it still gives a reasonibe picture. Admitidly I am saving for some Sigma Lenses now as i really dont have the money to afford canon.
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Zakalwe (Dougie)
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Re: Fisheye's for digital Canon slr's?
« Reply #18 on: April 26, 2006, 10:47:10 AM »

yeah - the kit lens and super cheap lenses are exceptions to the rules in some cases, my focus barrel on the canon kit lens wobbles soo much that it affects the picture and the fact that the lens isnt sealed means that it picked up lots of dust making it barely usable. The lenses I'm talking about are solid metal and in most cases have good quality glass - they are manuactured without electronics and motors etc. Older cameras with less advanced glass making processes have still been used to take extremely sharp and detailed pictures.
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PhotoJames
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Re: Fisheye's for digital Canon slr's?
« Reply #19 on: April 26, 2006, 16:11:21 PM »

The reason many 'pro' photogaphers have 20Ds is because for telephoto lenses, the crop factor works to your advantage! More zooooom.

Furthermore, you may have tried a lens and thought it to be crap, but were you using it correctly? My 17-40 L only gives a wow factor once you decrease the aperture. As zakalwe said, more or less, its the photographer that makes the picture, not the camera/lens
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AdamH
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Re: Fisheye's for digital Canon slr's?
« Reply #20 on: April 26, 2006, 19:08:48 PM »

this is a sigma not a canon but for fisheyedness on a camera that isnt full frame it looks to be one of the best

http://www.pbase.com/cameras/sigma/8_4_ex_circular_fisheye

the 8mm circular fisheye. if its on a full frame or film camera its so wide you get a circular image but on smaller cameras without a full frame sensor it gives a similar effect to a 15mm or similar fisheye on a full frame.
I am currently in the process of trying to collect enough money to afford one hopefully sooner rather then later. if it is sooner i will be sure to share some pictures taken with it
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[Ady]
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Re: Fisheye's for digital Canon slr's?
« Reply #21 on: April 26, 2006, 23:08:26 PM »

Furthermore, you may have tried a lens and thought it to be crap, but were you using it correctly? My 17-40 L only gives a wow factor once you decrease the aperture. As zakalwe said, more or less, its the photographer that makes the picture, not the camera/lens

Totally. My Sigma 70-200 2.8 is rather soft wide open, was shooting it for an hour this morning at 200mm, f/4, for portraits. Background bokeh was incredible, and the subject was super sharp.
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Zakalwe (Dougie)
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Re: Fisheye's for digital Canon slr's?
« Reply #22 on: April 27, 2006, 00:27:43 AM »

nice disclaimer you got there Wink LOL!
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[Ady]
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Re: Fisheye's for digital Canon slr's?
« Reply #23 on: April 27, 2006, 00:49:44 AM »

nice disclaimer you got there Wink LOL!

Well you seem to have to in this day an age, sad really, but i guess it holds some comedic value too Grin
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big will
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Re: Fisheye's for digital Canon slr's?
« Reply #24 on: May 01, 2006, 16:40:39 PM »

If you cannot afford a full frame camera with a fisheye lens get an old fisheye filter, that can be screwed on to say the kit lens, thats what ive got! it is about a 170 degree view and you can have full fisheye affect of zoom in for wide angle non fisheye shot! quite good macro lens aswell. Get a jessops mag and find a picture!!!they are about
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Zakalwe (Dougie)
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Re: Fisheye's for digital Canon slr's?
« Reply #25 on: May 25, 2006, 08:56:11 AM »

well... here are some shots with the Zenitar rectilinear fish eye on my 20D... its maybe not quite what you are looking for (no circular image) but it gives nice distorsion and a nice wide angle view...




I have more photos but havent uploaded them.

Having tried the lens out on a film camera I wish I had a ff dslr! the fish eye effect is waaay better, however if used to maximise the effect the lens does still give enough distorsion that it can be look cool but not make you sick of it after 2 shots like a full on fish eye. Oh and it costs
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emily
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Re: Fisheye's for digital Canon slr's?
« Reply #26 on: June 04, 2006, 21:24:41 PM »

Ha, I'm going to through my tuppence worht in here.

I am not in the knowledge about the fisheyes in question, but I do know a bit about canon and sigma lenses.

1. I have a sigma 17-35mm lens, it takes much better photos than my canon, but my canon was a "came with a
« Last Edit: June 04, 2006, 21:28:38 PM by emily » Logged

emily
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Re: Fisheye's for digital Canon slr's?
« Reply #27 on: June 04, 2006, 21:27:17 PM »

hmm something peculiar is going on.... I'll try again...

Ha, I'm going to through my tuppence worht in here.

I am not in the knowledge about the fisheyes in question, but I do know a bit about canon and sigma lenses.

1. I have a sigma 17-35mm lens, it takes much better photos than my canon, but my canon was a "came with a 300pound body" lens, which explains that quite easily as the sigma was more than the 300pound body.

2. I used a Canon 35-135 IS f3.5-4.5 (or thereabouts) for about a year until I had to give it back to its very patient owner... I liked it, but its image quality was no better or no worse than the Sigma. I even did an experiment with them at either end of the aperture scale and could see only the slightest difference, not enough to be a problem.

3. I think perhaps if you go to the expense of Canon L glass, then you can probably see a difference, but in my view you'll only see that difference when you enlarge your photo to max on the screen - when do you ever print out a fullsize 100 x 60cm print? If you were a pro of course, perhaps you would, but if you were a pro, you'd have L glass Cheesy Up to that point, Canon and Sigma are on a par I'd say.

4. Its not just sharpness that seems to be affected by different lenses. In comparing my Sigma with my cheap Canon, the colours seem a lot more vibrant from the sigma. I assume this is because they used higher quality glass.

5. The idea that the crop factor works to your advantage is, in my view, a little misguided. It means that if you want to take a photo of say a bird, that you can fill the frame more easily, which could be good if the bird's reasonbly close, but it does not magnify the bird any more. So if I'm in a hide 100 metres away from the subject bird, even though I can fill the frame more easily, if I still can't see the bird because my focal length isn't magnifying it enough in the first place, I'm still scuppered. I must get round to buying a nice long lens!


damn pound signs!! Wink
« Last Edit: June 04, 2006, 21:28:55 PM by emily » Logged

rab
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Re: Fisheye's for digital Canon slr's?
« Reply #28 on: June 04, 2006, 21:48:20 PM »

That is a very interesting thing to read. Makes me think thats its not worth spending the extra money for the canon brand when i cant afford L glass.
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