Bundestrainer Posted November 3, 2011 Share #1 Â Posted November 3, 2011 Advertisement (gone after registration) Hello, Â I got myself a Summilux 24 last week and want to use a neutral density filter and my Singh Ray polarizing filter (thread 77 mm) with this lens at the same time. Unfortunately, I haven't found a solution for this problem. Â I understand that I could buy a series VII neutral density filter. Â Furthermore, I could get the Leica 14479 filter holder which I would have to attach on the lens after unscrewing the lens hood. As the filter holder has a diameter of 72 mm, I would have to buy a step-up ring (72 mm to 77 mm) to use my existing polarizing filter. Â Seems quite complicated to me but would be my choice if there are no other options. Â What I don't understand is how I could use the neutral density filter (series VII) AND the polarizing filter (77 mm) at the same time. I assume this is not possible at all because the 14479 filter holder only fits if the lens hood is unscrewed and the lens hood is needed to hold the series VII filter. Â It is my understanding that the only solution for using both filters would be to get the filter holder 14479, the step-up ring and a neutral density filter 77 mm. Then I could attach the neutral density filter to the polarizing filter and screw them onto the filter holder. I don't like that because sometimes I want to use the lens with the neutral density filter and without the polarizing filter. Using the lens with the filter holder and a neutral density filter 77 mm makes it very large though. To avoid this I would have to get the series VII neutral density filter for sole use. Very complicated and another item to carry. Â I love the Summilux 24 but it is a shame that Leica doesn't offer the lens with a "normal" mount for the use of filters. Â Is someone aware of a better solution or can make some recommendations? Link to post Share on other sites More sharing options...
Advertisement Posted November 3, 2011 Posted November 3, 2011 Hi Bundestrainer, Take a look here Summilux 24: neutral density AND polarizing filter?. I'm sure you'll find what you were looking for!
lars_bergquist Posted November 4, 2011 Share #2 Â Posted November 4, 2011 Are you aware of what happens when you put a polarizer on a 24mm lens or wider? I wouldn't even try! Â The old man from the Age of the POOUM Link to post Share on other sites More sharing options...
Bundestrainer Posted November 4, 2011 Author Share #3  Posted November 4, 2011 Are you aware of what happens when you put a polarizer on a 24mm lens or wider? I wouldn't even try! The old man from the Age of the POOUM  Why? Link to post Share on other sites More sharing options...
vanhulsenbeek Posted November 4, 2011 Share #4  Posted November 4, 2011 Why?  The sky may be unevenly darkened: see an example here Polarizers  You problem with a polarizer on an M9 is also that control of the effect is not as easy as on a DSLR. There will be quite some trial and error involved, with almost every picture. Link to post Share on other sites More sharing options...
Bundestrainer Posted November 4, 2011 Author Share #5  Posted November 4, 2011 Why? The sky may be unevenly darkened: see an example here Polarizers  You problem with a polarizer on an M9 is also that control of the effect is not as easy as on a DSLR. There will be quite some trial and error involved, with almost every picture.  Thank you for this explanation. However, having a polarizer I don't have problems to control the effect on M9.  Is a wide angle more prone to unevenly darkened skies? Link to post Share on other sites More sharing options...
gravastar Posted November 4, 2011 Share #6 Â Posted November 4, 2011 .......................Is a wide angle more prone to unevenly darkened skies? Â Yes, because maximum polarisation of blue skylight occurs in direction at right angles to the sun. In a direction opposite to the sun there is very little or no polarisation. A wide angle scene centered on a direction perpendicular to the sun will have a dark center and light sides. Or if the sun is behind you a light center and dark sides. Â Bob. Link to post Share on other sites More sharing options...
algrove Posted November 4, 2011 Share #7  Posted November 4, 2011 Advertisement (gone after registration) Yes, because maximum polarisation of blue skylight occurs in direction at right angles to the sun. In a direction opposite to the sun there is very little or no polarisation. A wide angle scene centered on a direction perpendicular to the sun will have a dark center and light sides. Or if the sun is behind you a light center and dark sides. Bob.  How true.  I know this from personal experience when shooting with my Zeiss 18mm at Death Valley earlier this year. My eye was not so well trained then since I was just getting back into photography and never before into digital plus had very little experience with using polarizers.  Due this experience I seldom use any filters now (other than a UVa for front protection) and probably when I learn how to post process, I will be happier for it. Link to post Share on other sites More sharing options...
lars_bergquist Posted November 4, 2011 Share #8  Posted November 4, 2011 Not only willl only a part of the sky be darkened – cutting reflections e.g. on water or in glass is also similarly angle-dependent.  But I agree that with lenses of more moderate angle of acceptance, using a polarizer is not terribly difficult. I have a piece on this in the FAQ sticky (http://www.l-camera-forum.com/leica-forum/customer-forum/171589-leica-camera-faqs-frequently-asked-questions.html).  The old man again Link to post Share on other sites More sharing options...
brill64 Posted November 4, 2011 Share #9  Posted November 4, 2011 Thank you for this explanation. However, having a polarizer I don't have problems to control the effect on M9. Is a wide angle more prone to unevenly darkened skies?   ..i'm with Michael Reichmann when he says:  "Nonsense. If you like the effect, go ahead and use it."  a leitz series 7, 13370 P-cir polariser will fit your supplied 24lux hood and i found that it works wonderfully. you may find that an nd/polariser combination will be a nuisance if left together on your m9 all of the time. most of the arguments here against using one on your 24lux relate to sky polarisation and not the welcome boost to saturation and contrast you will experience with everything else. Link to post Share on other sites More sharing options...
lars_bergquist Posted November 5, 2011 Share #10  Posted November 5, 2011 ..i'm with Michael Reichmann when he says: "Nonsense. If you like the effect, go ahead and use it."   It's not nonsense – it's real. I have only pointed out that the effect exists. Yes, you may like it. Some people like the darnedest things. And you have bought your Leica M9 and you are legally entitled to do whatever you please with it, short of hitting somebody with it.  Sticks and stones may break my bones, but pictures can only make me draw conclusions about the photographer.  The old man who tried to learn the craft Link to post Share on other sites More sharing options...
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