Modding 35-80mm for epic macro [Canon]

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Julian
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Okay, a friend told me about this about a year ago, and I ran a search and can't find it being posted here before. I'm sure some of you will have seen this before...

I can't say how this compares to reverse mounting, but it's certainly cheaper if you don't have the lenses needed for reverse mounting and I think the results are great.

So, I did this with a Canon 35-80mm lens, which can be bought very cheaply on eBay. The one I used was a I lens, I don't know how the II and III ones fare but looking at the photos the design looks very different on the front.

This basically involves taking the front element off.



1) If you look at the front of the lens, there's a tiny little tab. If you grab a small screwdriver, you can prise the black circular bit with the writing off. Note that you want the screwdriver with the sharp end facing out and away from the lens to prise it off, not the other way around! I lost this circular bit so this photo is off the internet, and I added the red ring to highlight the tab.
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2) This is what you should have with that circular ring off now. Sorry these photos aren't a work of art, this was just on full auto with the pop-up flash. :bonk:
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3) Now, zoom the lens to 80mm, stick it in manual focus and extend the barrel completely (as shown in this picture).
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4) Grab the end bit which you twist to focus the lens, and twist it anticlockwise (further than you would if focussing it - give it a bit of welly!). It should twist further, and you should be able to pull it off.
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5) Voila! This is what it looks like with the front element off. You can use it as a macro lens.
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Sample shots to come...
 
works very well that, remember doing it about 4 years ago :)
 
Okay, here are some samples I just fired. Pop-up flash was used, reflected by a sheet of A4 paper behind the lenscap. (I had to turn flash compensation down quite a bit). Subject was a canon lenscap (the 58mm variety)


35mm Focal Length // 1/200s // F22 // ISO100

lenscap35mm200f22resize.jpg



100% Crop
lenscap35mm200f22100crof.jpg






80mm Focal Length // 1/200s // F32 // ISO100

lenscap80mm200f32resize.jpg



100% Crop
lenscap80mm200f32100cro.jpg
 
Here are some that I've taken with this lens. Any JPEG artifacts are due to them having been through Facebook (i.e. the great photo crappifier :p)

Daddy Long Legs
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Pineapple Spine
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Coffee Granules
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Droplet of water coming free from a dripping tap
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Raindrop On Window
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Penny Coin
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Spider on Leaf
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£5 Note
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£10 Note
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I am told it is fine to take macros of banknotes as you are only taking part of the banknote (and note the entire thing).
 
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