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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 15 Oct 2012 (Monday) 22:42
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PLLphotography
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Sep 18, 2013 20:18 |  #2041

I've got a couple old canon 50mm f/1.8 FD lenses, and two 135mm f/2.8 FD lenses (Cosinon and Albinar). Never heard of either of those companies so I'm not expecting much in terms of image quality when I get the adapter tomorrow.

The 50 1.8 should be a decent 80mm 1.8 though.


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JDeluis
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Sep 19, 2013 02:06 as a reply to  @ PLLphotography's post |  #2042

For those using Eye-fi cards and an ios devices, it's should be safe to update to ios7. I just updated my iPhone 5 yesterday and Eye-fi is working fine.

I was afraid that the app would need to be updated for ios7 compatibility because their website states ios7 beta was not supported.

http://support.eye.fi …ios-7-beta-not-supported/ (external link)


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M_Six
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Sep 19, 2013 19:33 |  #2043

Fooling around with extension tubes. Adding stacked 12mm and 25mm extension tubes to a 40mm f2.8 lens gives a mag ratio of just about 1:1, or true macro. This is an uncropped shot using that combo on an EOS-M (with the adapter). Also used a remotely fired 270 EX II flash. All hand held. F2.8 and 1/200s, ISO 100. I'm thinking the DoF is less than a mm.

IMAGE: http://bimmermail.com/EOS-M-macro.jpg

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M_Six
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Sep 19, 2013 21:32 |  #2044

One more. Again, EOS-M, EF adapter, stacked 12mm and 25mm extension tubes on EF 40mm f2.8, 270 EX II flash, manual mode, manual focus (by moving the camera), f16, 1/200s, +2EV, 100ISO.

Orange peel and seed.

IMAGE: http://bimmermail.com/macros/o-peel01-md.jpg

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tkbslc
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Sep 19, 2013 22:07 |  #2045

That's gotta be closer than 1:1.


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kenjancef
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Sep 19, 2013 22:09 as a reply to  @ tkbslc's post |  #2046

Wow...


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M_Six
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Sep 19, 2013 22:16 |  #2047

tkbslc wrote in post #16310523 (external link)
That's gotta be closer than 1:1.

Maybe slightly. The 40mm's MM (Maximum Magnification) is .18. The stacked tubes give 37/40= .925 MM. So it comes out to about 1:1.25. The MM is also affected by distance and I'm not sure I was at the MFD, so 1:1 works for me.


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tkbslc
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Sep 19, 2013 23:28 |  #2048

M_Six wrote in post #16310545 (external link)
Maybe slightly. The 40mm's MM (Maximum Magnification) is .18. The stacked tubes give 37/40= .925 MM. So it comes out to about 1:1.25. The MM is also affected by distance and I'm not sure I was at the MFD, so 1:1 works for me.

Based on this guy's calculator, it should be 1.2x mag

http://home.comcast.ne​t …e_Close-up_Calculator.htm (external link)


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M_Six
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Sep 20, 2013 07:34 |  #2049

tkbslc wrote in post #16310698 (external link)
Based on this guy's calculator, it should be 1.2x mag

http://home.comcast.ne​t …e_Close-up_Calculator.htm (external link)

Right, like I said, 1:1.25. But that's *if* you're at the absolute minimum focus distance. As you get further from that, magnification goes down. The calculations are also just estimates. Look at the lens specs on The Digital Picture site (external link). He lists magnification values for the 40mm pancake with 12mm and 25mm tubes, but not both together. But if you take his values for the lens alone and then run the calculation for the 12mm or 25mm, the numbers don't match up exactly. I've read that the calculation for magnification is approximately extension-tube-length/focal-length added to the base magnification of the lens.

Minor discrepancies aside, it works pretty well. The tough part is getting the focus right. Very tiny movements fore and aft will mess it up. A tripod setup would have worked better.


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PLLphotography
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Sep 20, 2013 09:15 |  #2050

So I got an FD/FL to EOS M adapter.

first time with an adapter like this...

how does the aperture settings come into play? I took a test shot with the 50mm f/1.8 (now 80mm f/1.8 due to M's crop factor), both at f/1.8 and at f/22, and they looked identical.


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Sep 20, 2013 09:30 |  #2051

PLLphotography wrote in post #16311451 (external link)
So I got an FD/FL to EOS M adapter.

first time with an adapter like this...

how does the aperture settings come into play? I took a test shot with the 50mm f/1.8 (now 80mm f/1.8 due to M's crop factor), both at f/1.8 and at f/22, and they looked identical.

Your adapter should have a ring that you can turn. Might say Open/Close or Open/Lock or something like that. You mount the lens when it is open, and then turn the ring to lock or close which will activate a lever which will actually enable the aperture to change. Just mount the lens to the adapter and play with it some while it's not mounted to the camera. You'll see how it works.


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PLLphotography
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Sep 20, 2013 09:44 |  #2052

ah, I see...

apparently the little pin was on the other side of the lever so twisting didn't do anything. once I re-attached the lens to the adapter, paying attention to where the pin was situated, it now opens and closes the aperture blades when I adjust the aperture ring on the lens.

Thanks.


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PLLphotography
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Sep 20, 2013 12:38 |  #2053

the old FD 50mm f/1.8 is about the same size as the 22mm lens. The only added bulk is from the adapter itself.

I can't wait to try it on the 135mm f/2.8 lenses I have at home.

crappy cell phone pic.


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Sep 20, 2013 14:35 |  #2054

IMAGE: http://farm8.staticflickr.com/7363/9770131296_8c58799853_b.jpg
IMAGE LINK: http://www.flickr.com …erydaygetaway/9​770131296/  (external link)
Random-117 (external link) by EverydayGetaway (external link), on Flickr

Fuji X-Pro2 // Fuji X-T1 // Fuji X-100T // XF 18mm f2 // XF 35mm f1.4 // XF 60mm f2.4 // Rokinon 12mm f2 // Rokinon 21mm f1.4 // XF 18-55mm f/2.8-4 // XF 55-200mm f3.5-4.8 // Rokinon 85mm f1.4 // Zhonghi Lensturbo ii // Various adapted MF lenses
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VeijoM
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Sep 20, 2013 15:05 as a reply to  @ post 16307766 |  #2055

I made a grip modification for my M.

I bought two different models of flipbac grips to test if they could replace the original "grip". Bought the G4 (which is reported to work well) and G3 (which looked cooler :cool:)

I took away the original grip and inserted the G3 on top of the holes of the original grip.
So, here are the pics (sorry about the quality of the pics, they are handheld in mixed lighting).


IMAGE: http://farm3.staticflickr.com/2873/9841732685_f39d5ee48d_z.jpg
IMAGE LINK: http://www.flickr.com …/35883172@N02/9​841732685/  (external link)
EOSmGrip_1 (external link) by VeijoM (external link), on Flickr

IMAGE: http://farm4.staticflickr.com/3693/9841821693_b4ceb48cd1_z.jpg
IMAGE LINK: http://www.flickr.com …/35883172@N02/9​841821693/  (external link)
EOSmGrip_2 (external link) by VeijoM (external link), on Flickr

IMAGE: http://farm6.staticflickr.com/5349/9841709054_3384d4bcfa_z.jpg
IMAGE LINK: http://www.flickr.com …/35883172@N02/9​841709054/  (external link)
EOSmGrip_3 (external link) by VeijoM (external link), on Flickr

IMAGE: http://farm4.staticflickr.com/3665/9841820613_e463615130_z.jpg
IMAGE LINK: http://www.flickr.com …/35883172@N02/9​841820613/  (external link)
EOSmGrip_4 (external link) by VeijoM (external link), on Flickr

I have no experience yet how it will stand real world usage, but the grip immediately felt more secure than with the original grip.

I have also ordered a thumb grip from ebay, but haven't received it yet. This is the first step in trying to make the use of the camera more comfortable.

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