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Archive 2012 · Canon 17mm f/4L TS-E Custom Filter Adapter
  
 
Roland W
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p.7 #1 · p.7 #1 · Canon 17mm f/4L TS-E Custom Filter Adapter


The link that Fred posted above for the Robert White company shows the adapter pretty well. Here is the link again for easy reference:

http://www.robertwhite.co.uk/shop-by-brand/lee-filters/adaptor-rings/lee-adaptor-ring-for-canon-17mm-f-4-ts-e-lens.html

The photo in the link can be double clicked to enlarge it. What is shown has a Lee filter holder clipped on to the front of the adapter, and the rest that you can see is the metal of the adapter body.

Another view of it is shown on the Lee site. Look about half ways down in the following link to see the adapter from the front, and in this view you can see the rim that the holder clips on to showing.

http://www.leefilters.com/index.php/camera/system

I am not sure if the adapters are available in the US directly right now, but I had good service from Robert White in the UK. The shipping transit time was a little longer than the original estimate, but 10 days of Royal Mail transit time is not too bad.



Sep 25, 2013 at 06:30 AM
Roland W
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p.7 #2 · p.7 #2 · Canon 17mm f/4L TS-E Custom Filter Adapter


I have always wanted a good way to add a polarizer to the Canon 17 TS-E, to help with water reflections, and also for improved color saturation in a variety of subjects in nature. I know that scenes with blue sky in them can be seriously affected by a polarizer on a lens this wide, but the other uses are important to me.

The new Lee filter adapter for the 17 now makes it possible to mount a 105mm polarizer, so I have evaluated that option. For me, I would not often need a graduated ND fliter combined with a polarizer, so I configured the filter holder without any provision for the 4 inch wide filters. I removed the plastic filter holder edges completely, and then mounted the 105mm metal filter adapter ring directly to the face of the holder body. This allows the mounting of screw in filters as close as possible to the front of the lens for this adapter and system. I checked first the vignetting caused by just the filter adapter edge. I then installed my B+W 105mm KSM circular polarizer, and evaluated the additional vignetting that the polarizer caused. All evaluations were done by visual inspection looking through the view finder of a 5D3 with the lens wide open. Note that stopping down this lens causes the vignetting to get slightly worse, which is I believe related to the increased depth of field.

For landscape orientation of the camera, and for shifting in the vertical direction, the edge of the holder becomes visible at about 8 mm of shift. Stopping down the lens to f22 changes the start of vingnetting to about 7mm. When the polarizer is added on the front, the edge of the polarizer becomes visible at about 2 mm of shift.

For portrait orientation of the camera, and for still shifting in the vertical direction, the edge of the holder becomes visible at about 5 mm of shift. Stopping down to f22 changes that to about 4 mm. When the polarizer is added on the front, the edge of the polarizer becomes visible at about 1.5 mm of shift.

So it looks like a 105mm circular polarizer mounted on the Lee system using this adapter, and with no filter slot included, is usable, but not with much shift available before vingnetting occurs.

The best polarizer solution with the Lee 4 inch system may well be to get a high quality 4 inch square circular polarizer, and use it on a Lee adapter set up for just one slot. I have not yet tested that kind of configuration, but it looks like the vingnetting for a single filter set up would be limited by the adapter ring, with no further limitations caused by the filter holder edge. Now I just need to buy another very expensive circular polarizer. It never ends, does it.




Sep 25, 2013 at 04:11 PM
Fred Miranda
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p.7 #3 · p.7 #3 · Canon 17mm f/4L TS-E Custom Filter Adapter


Roland W wrote:
I have always wanted a good way to add a polarizer to the Canon 17 TS-E, to help with water reflections, and also for improved color saturation in a variety of subjects in nature. I know that scenes with blue sky in them can be seriously affected by a polarizer on a lens this wide, but the other uses are important to me.

The new Lee filter adapter for the 17 now makes it possible to mount a 105mm polarizer, so I have evaluated that option. For me, I would not often need a graduated ND fliter combined with
...Show more

Thanks for your report Roland.
I also tested the "Lens cap adapter" with the Lee 105mm polarizer mount and vingnetting was pronounced at smaller apertures. I came to the same conclusion..the Lee 4 inch square circular polarizer is the best option and actually works quite well.



Sep 25, 2013 at 08:25 PM
pcho
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p.7 #4 · p.7 #4 · Canon 17mm f/4L TS-E Custom Filter Adapter


Hi Fred,
I tested my adapter against our lens cap variety and I don't think there is much difference between them in terms when shifting before vignetting ? If there is, it is very marginal. Do you agree?

Perry



Sep 25, 2013 at 09:19 PM
ilija
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p.7 #5 · p.7 #5 · Canon 17mm f/4L TS-E Custom Filter Adapter


Is it possible to attach a lens cap on this new adaptor?


Sep 29, 2013 at 09:19 AM
Roland W
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p.7 #6 · p.7 #6 · Canon 17mm f/4L TS-E Custom Filter Adapter


The only lens cap that I know of for the Lee system is a white plastic cap that Lee sells. I bought a set of those Lee caps several years ago, and they are useless. They barely snap on, and come off so easily that I have never put them in to use. Currently I see mixed reviews of those caps, so there is a chance that Lee has improved the design.

It would be really nice for Lee to come out with a cap with pinch type action that firmly attaches on to the rim on the front of the adapter. If it was a bigger market, I could see a third party design something and market it, but I doubt that would ever happen.

My only "solution" for now is to set up a filter holder as a cap, by removing all the filter slot hardware, and then attaching a thin piece of plastic to it to blank it off. That would give the function of a cap, but it is bigger than needed, and has the release stem sticking out, making it even harder to handle things than a proper cap would be. It is also an expensive way to go.



Sep 29, 2013 at 04:25 PM
dswtan
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p.7 #7 · p.7 #7 · Canon 17mm f/4L TS-E Custom Filter Adapter


http://www.robertwhite.co.uk/shop-by-brand/lee-filters/adaptor-rings/lee-adaptor-ring-for-canon-17mm-f-4-ts-e-lens.html

Alas already backordered per this morning, PDT, when I tried to order. Familiar territory with Lee, alas! :-)



Sep 29, 2013 at 05:03 PM
 

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pbdtoo
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p.7 #8 · p.7 #8 · Canon 17mm f/4L TS-E Custom Filter Adapter


Came here via a link on Canon Rumors, the Fotodiox Wonderpana system allows 12mm shift in any direction with zero vignetting, it also allows 12mm shift and 4º of tilt before vignetting, or the full tilt and 8mm shift.

The 145mm CPL is high quality, the actual Wonderpana is very high quality and well made, it has an anodized aluminum locking mechanism for instance. They just came out with a new version, the FreeArc for grad use too, the new version allows for independent grad rotation. http://fotodioxpro.com/index.php/wonderpana-66-freearc-kit-rotating-filter-system-holder-only.html

I am not connected to the company but hate to see all you guys cut up lens hoods or wait for Lee.

I posted some images to show complete absence of vignetting at 12mm shift here http://www.canonrumors.com/forum/index.php?topic=17200.msg320611#msg320611



Oct 05, 2013 at 05:08 PM
dswtan
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p.7 #9 · p.7 #9 · Canon 17mm f/4L TS-E Custom Filter Adapter


Thanks pbdtoo! Sounds good - but should be, at $275.


Oct 05, 2013 at 08:57 PM
pbdtoo
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p.7 #10 · p.7 #10 · Canon 17mm f/4L TS-E Custom Filter Adapter


dswtan, You are welcome, don't forget that $275 INCLUDES the 145mm CPL. You can pay that for the Lee 105 CPL on its own.


Oct 05, 2013 at 10:26 PM
dswtan
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p.7 #11 · p.7 #11 · Canon 17mm f/4L TS-E Custom Filter Adapter


pbdtoo - could you clarify where it says that the CPL is included please? I agree, that would be a good deal. I'm not seeing it mentioned as such at the site though. Thank you for any clarification!

http://fotodioxpro.com/index.php/wonderpana-66-freearc-kit-rotating-filter-system-holder-only.html
- URL says "holder only".
- Feature list at the site:
"Includes:
•Dedicated WonderPana FreeArc Rotating Core Unit (choose lens above)
•WonderPana 66 Upgrade Bracket - 6.6" Wide Filter Holder Bracket Upgrade
•145mm Heavy Duty Inner Pinch Lens Cap"



Oct 06, 2013 at 03:50 AM
pbdtoo
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p.7 #12 · p.7 #12 · Canon 17mm f/4L TS-E Custom Filter Adapter


Ah, sorry for any confusion, I got the Wonderpana only kit, not the 66 kit as I don't use square filters.

This is what I bought http://www.amazon.com/WonderPana-145-Essentials-Kit-Aspherical/dp/B00AUK945M/ref=sr_1_2?ie=UTF8&qid=1378870716&sr=8-2&keywords=fotodiox+TS-E

The Amazon images show the metal bayonet mount too, though mine is all black with a red release/locking lever.



Oct 06, 2013 at 04:18 AM
dswtan
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p.7 #13 · p.7 #13 · Canon 17mm f/4L TS-E Custom Filter Adapter


Thanks for the clarification!


Oct 06, 2013 at 04:57 AM
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