Pinhole Lens for Canon EF mount
by chriswoebken, published
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I have just printed this on a Form1 with clear resin. I need to paint it before testing :)
The fit on the camera is good but there is very little to grip onto for turning it.
The hole is huge for pinhole photography - this will give very blurred images (instead of slightly burred images!)
I intend to add a small piece of tape or tin plate, with a 0.2mm hole and see what happens.
Very nice, thanks for sharing. Quite a different photography style. I posted a picture I took with it here: http://fav.me/d5d7gwh
cool!
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The only additional thing you need is to a piece of aluminium foil pierced with a pinhole. Paint the aluminum black with a marker for best results. I am curious about your results!
Made by kenichiokada.com and chriswoebken.com
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Very nice, thanks for sharing. Quite a different photography style. I posted a picture I took with it here: http://fav.me/d5d7gwh
just discovered a better way to print this. if you modify skeinforge to print from the inside out rather than outside in the slope of the cap will almost print perfectly on a makerbot with no support. there is a checkbox somewhere in skeinforge that controls this. i am also printing with a .35 nozzle so that could be a problem as well.
http://www.thingiverse.com/ima...
took this photo with it. its super fun to put a high power flash on the camera, brings exposure times WAY down
if you stack on an extension tube or three you can change the focal length of the "lens" works really well. with the cap and a 13mm and a 21mm tube i can get what looks like the euivlant of a 24mm (cap only), 35mm (cap and 13mm tube), 50mm (cap and 21mm) and about an 85mm (13+21 and the cap) also toss a flash on the camera and kick it up to full power with the wide angle lens flipped down on it. you can reduce exposure times down to 1/200th of a second at 3200 iso
how did you get this to print with the shallow slope of the front of the cap? i had serious troubles on that part. mine works but looks pretty scruffy
wow, this is great! With which software did you create the model? Can you upload the CAD files?
I demand sample photos!
http://www.flickr.com/photos/h...
it's a gallery of images taken with this pinhole "lens"
I'm not a photography mag but I kinda miss the point - the pic's are bury and out of focus - isn't the whole point of "very small entry hole" to have "everything in focus" or to use the "fancy" term - to have huge dof?
I have just printed this on a Form1 with clear resin. I need to paint it before testing :)
The fit on the camera is good but there is very little to grip onto for turning it.
The hole is huge for pinhole photography - this will give very blurred images (instead of slightly burred images!)
I intend to add a small piece of tape or tin plate, with a 0.2mm hole and see what happens.