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| | #1 |
| old porsches do run! | Ok, so I finally finished eating my pringles and made this: http://www.photocritic.org/2005/macr...y-on-a-budget/ And it works! First some pics of the setup. I basicly copied the design on that page, so I made holes in camera cover cap and in can's bottom plate and glued those two together with epoxy. ![]() 18-70 lens fits perfectly inside the can. I didn't even use anything to prevent light from entering, it's perfectly dark inside (tested on 15 sec exposure and everything is dark). ![]() Whole setup ![]() ![]() Zoom is on maximum (70mm) and focus ring on minimum to get as close to object as possible. I can control aperture by pressing the small lever with my finger, so it's either closed or open. I open it when focusing (it's reaally hard to find object, and DOF is non existant). ![]() You can see a ball from a pen in the viewfinder there. Not a photoshop, btw, optics just work in a funny way ![]() ![]() And now the photos. I photoshopped them a bit, mostly to correct the color balance (it was very red). Also some dirt made it on the photos it seems. I hope not inside the camera Gotta check that...One of first photos. I don't have a flash, so I used a lamp, iso800 and 2 seconds exposure. ![]() Diameter of the insulation is about 1mm, the wires are about 1/3 of that as you can see. ![]() Wires again. DOF is not as bad with closed aperture, but when I open it is basicly a thin layer. Like in a microscope. ![]() Part of the 20c euro-coin. ![]() This one I tried with LED flashlight. It's less powerfull than a lamp, but gives much better color balance. ![]() What I need now is a proper flash, and some matt black paint to spray inside the can, because now it's very reflective inside: ![]() Also the objects are never perfectly in focus, even though they appear to be in the viewfinder. I think it can be caused even by shutter vibration. As I close the aperture, lower the ISO and increase the exposure, focus becomes a bit better. I think I can solve this with proper, fast flash. Overall I'm pretty happy with results, considering it didn't cost me anything More photos to come sometimes, right now I'm just playing with it. |
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| | #2 |
| Wants Rick Astley's Babies | Awesome!
__________________ ![]() [18:11] MXM: it means buba is better than you now [18:12] sam-l: In what way? [18:12] Slycer: longer penis |
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| | #3 |
| Banned Joined: Jun 1st, 2006 Last Online: September 2nd, 2008 Location: LAND OF THE FREE (AHAHAHA) Posts: 1,018
Car: 93-NA . Mariner Blue Rep Power: 0 ![]() ![]() ![]() ![]() ![]() ![]() | very cool! can you explain this part "I can control aperture by pressing the small lever with my finger, so it's either closed or open. I open it when focusing (it's reaally hard to find object, and DOF is non existant). " ??? did you try shutter lock to get the vibration down? nice pics ![]() |
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| | #4 |
| old porsches do run! | Aperture on Nikkor lenses is controlled mechanically with small lever on a spring. It's big enough, so I can push it with my finger. By default it's closed, when I push it, it opens to allow more light in and allow me to find an object. I can't see anything with aperture closed. And.. mmm.. I don't even know what's a shutter lock.. And btw, I just realized that.. I get much bigger magnification on WIDE, not on TELE! So I still have a lot to go ![]() |
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| | #5 |
| Banned Joined: Jun 1st, 2006 Last Online: September 2nd, 2008 Location: LAND OF THE FREE (AHAHAHA) Posts: 1,018
Car: 93-NA . Mariner Blue Rep Power: 0 ![]() ![]() ![]() ![]() ![]() ![]() | Sorry sorry, I meant to say 'mirror' lock. its used reduce the vibration of the mirror opening/closing while snaping a pic. i just might have to try this mod ![]() |
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| | #6 |
| old porsches do run! | Some more playing around: That's a tip of 3mm screwdriver with a drop of water on it (I expected a cooler effect, but nevermind). You can see my flashlight in reflection ![]() ![]() LED. Not turned on obviously. ![]() A green matchstick I found in the house ![]() ![]() Tried putting lense in 18mm... Damn. Focusing is close to impossible. Here's a corner of that same screwdriver ![]() That's my hair ![]() None of these are crops btw. EDIT: And DAMN! No mirror lockup on D50 ![]() |
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| | #7 |
| Despot | You have dandruff No but seriously, that was cool.. |
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| | #8 |
| Wow, very cool! Keep the photos coming!
__________________ Yes, it tells us that you participate in the mass cultural delusion that the sun's apparent position relative to arbitrarily defined constellations at the time of your birth somehow affects your personality. | |
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| | #9 |
| Totally wicked. I gotta try that! *goes out to buy a can of Pringles* | |
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| | #10 |
| does the flavour affect focus? | |
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| | #12 |
| Damn that's awesome! I've just finished eating a can of pringles and I see this thread.. Heh, now I've got something to do, on this damned hung-over saturday evening. ![]()
__________________ Also known as Høgh | |
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| | #13 |
| That blows my mind. | |
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| | #14 |
| old porsches do run! | Thank you, thank you ![]() A few more before I'm bored with my new toy and put it on the shelf: That's a 0.5mm graphite. Not a very good picture but illustrates the DOF with open aperture. As lighting I used sun redirected to the tip of the graphite by complicated setup of mirrors and lenses ![]() Another one of my favourite object so far This time on maximum magnification that I managed (a bit more is possible, but very hard to focus).![]() That's salt. It was inside inside the glass can. That's a crop btw, corners of the pic were too dark, so I cut them off. ![]() Edge of 2 Euro coin (2mm). Width of one groove is about 0.3mm. Best focused photo so far, you can see un-edited original by clicking the image (1.5mb) ![]() |
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| | #15 |
| Despot | How does it feel now that your mind is blown? Seriously, that has to hurt somehow.. |
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| | #18 |
| old porsches do run! | ![]() I really want a lens with manual aperture though. With aperture open there's no DOF, with closed there's no light and no focus. Keeping it in between with a finger is not ideal solution... Maybe I should check some old second hand ones. Doesn't even have to be for Nikon (but preferably). |
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| | #19 |
| Hormone Induced Joined: Jun 21st, 2005 Last Online: 05:55 AM Location: Calgary, Alberta, Canada Posts: 5,784
Car: Pimpmobile Rep Power: 68 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | I just read the original Pringles article, and I think you've done something awesome - you've actually mounted the lens backwards instead of forwards like he did, which gives you the ability to go extremely, extremely close! Cool! |
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| | #20 |
| old porsches do run! | Really? Then I didn't read that article carefully enough ![]() EDIT: Oh wait, he did it backwards too. Look: ![]() That's a lenscap where he made a hole, so it must be backwards. |
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