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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 12 Jan 2010 (Tuesday) 14:35
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Wide-angle lenses plus 500D close-up lens

 
EWR72
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Jan 12, 2010 14:35 |  #1

Just wondering if anybody has tried using a wide-angle lens eg-Canon 10-22mm or Sigma 10-20mm with the Canon 500D close-up lens attached. I googled this and found one guy who had a couple of examples which I was after but that was it. I know that you can get a closer minimum focusing distance with the 500D attached but how close exactly? I have a Sigma 10-20mm and could also use the 500D on my 200mm 2.8 L.


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ken_vs_ryu
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Jan 12, 2010 15:18 |  #2

what are you trying to shoot?


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jdang307
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Jan 12, 2010 15:18 |  #3

I think I've read that for wide angels extension tubes are better, and for telephoto is where you want to use the close up lenses.




  
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EWR72
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Jan 12, 2010 16:40 |  #4

It´s difficult to put an extension tube on the 10-20mm lens as the minimum extension tube is 12mm. I just want to get a little closer than the minimum distance of the wide-angle lens. For example, a photo taken at ground level of a flower with a wide-angle view.


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gasrocks
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Jan 12, 2010 17:06 |  #5

With wide angle lenses you do not want to use ext. tubes nor close-up lenses. Don't most wide angles get close enough?


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jdang307
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Jan 12, 2010 17:31 |  #6

You can get pretty close with the 10-22mm

https://photography-on-the.net …?p=8251520&post​count=2422

Can't imagine that little "doll" being all that big lol.

https://photography-on-the.net …?p=6540083&post​count=1927

https://photography-on-the.net …?p=6541161&post​count=1930

https://photography-on-the.net …p?p=2621911&pos​tcount=254

Spend the money you would have on the 500d and just get the 10-22mm ;) Just kidding, I've read the Sigma has the same MFD. 10" Not sure how much closer you really want to get, it will not be wide angle anymore as whatever you shoot will fill up the frame probably.




  
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EWR72
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Jan 13, 2010 10:14 |  #7

Thanks for the replies. I use my Panasonic LX3 at side-angle (24mm) with the macro setting and have got some pleasing shots but wanted to replicate this using the 10-20mm and 500D attachment lens. It just gets you a little closer and a different point of view. The guy on the internet said he could get the lens about 3" away from the subject (eg-flower) Once again thanks for the feedback, ideas.


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tkbslc
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Jan 13, 2010 10:17 |  #8

I used one on my 18-55 IS and it seemed fine at 18mm. I used the Sony VCL-M3358 which is of the same grade as the Canon 500D/250D lenses. You don't get a lot of mag power with wide lenses, though, so I might get the stronger 250D. Keep in mind with the closeup lens you can ONLY focus closeup and at a fairly fixed distance.


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EWR72
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Jan 13, 2010 10:25 |  #9

What I want is to focus up close so that would work. The 250D doesn´t come in bigger filter sizes that´s why I´d get the 500D in 77mm to use on the Sigma 10-20mm and also the possibility to use it on the Canon 200mm 2.8 (72mm plus 72mm-77mm step up ring). If I can get 3" away compared to 10" normal close focusing distance that would be great.


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tkbslc
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Jan 13, 2010 10:35 |  #10

EWR72 wrote in post #9385007 (external link)
What I want is to focus up close so that would work. The 250D doesn´t come in bigger filter sizes that´s why I´d get the 500D in 77mm to use on the Sigma 10-20mm and also the possibility to use it on the Canon 200mm 2.8 (72mm plus 72mm-77mm step up ring). If I can get 3" away compared to 10" normal close focusing distance that would be great.

You should be able to get 178mm MFD (subject to sensor) with the 500D. 145mm with the 250D. Compared to the 240mm of the bare lens, that is pretty good, but not anywhere near 1:1

The 250D is a +4 and the 500D is a +2 closeup lens. ANother high grade achromatic closeup lens that is readily available is the Marumi 330 and Marumi 200. Those are +3.3 and +5. +5 would probably be too strong for your 200mm, but I found my Sony +3.3 to be a good length on both my 18-55 and 55-250. I might look into the Marumi 330 for your usage. You can get it on ebay in 77 or 72mm sizes for under $100.


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EWR72
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Jan 13, 2010 10:42 |  #11

Thanks for the info. I had a look at the Marumi on ebay. I just thought that the 500D is greatly regarded and it wouldn´t go to waste. I am sure it would hold its value and as the guy I saw had results I was after it might be the best alternative.


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Willie
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Jan 13, 2010 10:44 |  #12

The 500D is a +2 diopter. Therefore, you can calculate the focusing range as follows:

Focusing range of 10-22 is 0.24m - infinity

Inverse of these numbers is 4.167 - 0

Add the diopter (2) to both values

New numbers are 6.167 - 2

Inverse these

New focus range is 0.162m - 0.5m

Therefore, your new minimum focus distance is a little over 6 inches.

Now, I'm not sure if that's measured at the front of the lens or further back. Things get complicated at macro distances.

This calculation can be done with any lens and diopter.

BTW, the 250D is a +4 dipoter.




  
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tkbslc
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Jan 13, 2010 10:44 |  #13

EWR72 wrote in post #9385108 (external link)
Thanks for the info. I had a look at the Marumi on ebay. I just thought that the 500D is greatly regarded and it wouldn´t go to waste. I am sure it would hold its value and as the guy I saw had results I was after it might be the best alternative.

500D is probably the best, I just liked the extra magnification. +2 is a bit weak on a wide angle, IMO.


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Wide-angle lenses plus 500D close-up lens
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