Fisheye lens for your SLR

[Bhautik Joshi's] fisheye lens hack works well and looks OK too. It uses a door peephole from the hardware store as the fisheye and a slide projector lens to enlarge the image for proper sizing on the camera’s sensor. He included an EOS lens adapter so that it is easy to install and remove, then grabbed a soda can and some foam for the rest of the build. This will take those fun bendy pictures but don’t forget that you can correct for that in software if you wish.


  1. regulatre says:

    Way to go! I like the pix. I am a little worried about scratching my lens though, but I may still give it a try!

  2. Marek says:

    So I didn’t see anywhere – how does this test out with different cameras, obviously you’d get different results with a full frame vs a slr with a crop sensor right?

  3. mrgoogfan says:

    so would that be f/60 or something more/less ridiculous?

  4. Paul Potter says:

    Very clever.

  5. Scott says:

    Variations on this have been around as long as I can remember, usually mounting the fisheye through a lens cap – good for fun shots but no light-gathering and a lot of chromatic distortion.

  6. nubie says:

    Did anybody else automatically think of the cartoon Home Movies when they saw this title?

    The comedic timing of that show is just insane, I need to watch some more of it.

  7. jim says:

    I think the joke is that that students and enthusiasts always go through a fish eye lens phase when they discover them, and that’s where Brendon is.

    That said, I’m already on my way out to buy a spy hole thing and some black foam.

  8. Whatnot says:

    This is cute for some cheap $60 camera or maybe a webcam, but the quality is such that using this on a DSLR is just an outrageous waste IMHO.
    If this is what you use on a DSLR then maybe you should buy a cheap P&S and donate that DSLR to somebody that appreciates is is what I’m thinking right now.

  9. Marek says:

    Yeahhhh I’m just gonna get the sigma 10-20mm instead. :P

  10. Orv says:

    @Whatnot: Wow, really? I mean, sure, it’s not a high-quality lens by any stretch of the imagination, but this is an art form we’re talking about…if you like the way the results look, then by definition it’s good enough, regardless of the technical merits.

    @Marek: The Sigma 10-20mm is obviously a better solution…if you have $920 (MSRP) lying around…

  11. Susie B says:

    Crappy screw on fish eye adapters are higher quality than this and cost less used just about anywhere….

  12. Dan says:

    As said before, a nice little concept, but this really doesn’t play out very well. You’re really cutting your aperture down with this… a lot. hardy worth the effort on a DSLR

  13. Whatnot says:

    @Orv I didn’t say it wasn’t good enough (for those into it) but that using a DSLR sensor for something that will have the exact same result when using a =>$50 camera seems such a damn silly ‘waste’, it’s like listening with a crystal earphone from the 30’s using some $2000 high quality amp as source.
    Also when you have the resources to afford a DSLR then there must be a ‘cheap’ way to do this that gets substantially better quality for let’s say 2 or 3 times the money, which is still cheap but at least might make more sense.

    Also on a more technical note, a small sensor might actually work way better with a peephole than the larger sensor of a DSLR, with a larger sensor you have to stretch the output too much.

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