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vvizard
24th of May 2004 (Mon), 03:37
This is probably familiar to a lot of guys here, but I didn't know it until early this morning, so hopefully someone else will benefit from my discovery to :)

Don't ask why, but with the 10D powered on, I removed my 50mm prime from in, flipped it around, and held it "backwards" against the mounting, to find out how a "reversed through the lens" shot would look like.. Yeah I do silly things, ok? :oops:

But this was quite cool. The 50mm suddenly could focus 1inch from the subject, giving me macro-capabilities that where quite good :) Of course, the f/1.4 at 1inch distance really make for some _SHALLOW_ DOF! Like 1mm maybe =D So "slower" lenses probably recommended (or heck, maybe a dedicated macro-lens while at it ;)) But I tried shooting a Norwegian coin, with it, and the result just blew me straight away =D Not the sharpest, and not the best color-accuracy. Probably lot to do with me "handholding" the lens in front of the camera. But I've now read some place that there's possible to buy rings with a bayonet-mount on one side, and filter-thread on the other, so you can attach it to the camera, and then attach your lens the opposite way by screwing it in by it's filter-threads.

Anyway, here's the shots. This technique looks like it could work in a pinch :)


http://127001.org/div_pics/canon_forum/makro/

These are 100% crops, and the coin is ~ 0.6 inches in diameter. Quite cool :shock:

Done with the 50mm f/1.4 USM, ISO-400 available light.

Ikinaa
24th of May 2004 (Mon), 03:57
try using a normal lens, then using a male-male coupling ring to fix your 50mm prime in front of the mounted lens.
It will give better results...
That's what we poor G3-users do for macro shoots.
Try searching the forung for words like 'reversed lens macro'...

c0ntr0lz
24th of May 2004 (Mon), 05:16
hahahha
this sounds like what i did with my dads binoculars to get a better zoom
and man did they help my a80

kool work

CoolToolGuy
24th of May 2004 (Mon), 05:52
Reversed lenses as macros were very popular in the FD (manual focus) days, and is still a good way to get macro cheaply. I believe there are some reversing adapters available for EOS where you screw the lens onto the adapter via the filter ring. You might check eBay. All focus and exposure are manual - but I did see one setup recently (maybe on this forum) where someone had rigged up all of the wiring to allow for autofocus (and exposure?).
In any case, this can be an inexpensive way to get macro. :wink: