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75mm

Paul J

By Paul J
in Leica M Lenses

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Paul J

Paul J

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I have a 75mm Summilux and I love it. However it's sharpness and contrast wide open and at wider apertures leaves me wanting more in some circumstances. So I'm close to buying a Summicron whilst keeping the Summilux. I'm not sure if I'll keep both but I can't see myself parting with the one I have as for some applications it's unique and perfect. But I love the summicron also for the super fine detail and neutral/natural colour.

 

I saw one test elsewhere and the difference between bokeh between the Summilux at 1.4 and the Summicron shot at f2 was not as big as I'd thought.

 

Does anyone here own both? Can you comment on the differences wide open and to, say, f4? I understand the Summicron is notchy to focus with it's short throw too but I tried one out in the Leica Store and it felt OK. Summilux's super shallow depth makes it tricky anyway so I'm OK with that I think. Anyone know if the depth of field is similar from Summilux to Summicron?

 

Thanks

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esy0345

esy0345

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I have both, and at f4 they are close. The summilux is so good at 1.4 for portraits once you add some contrast in post, but mine is difficult to get perfect focus. The new M will solve that problem. It has heavy purple fringing CA at 1.4 which is not seen in the summicron. The extra stop is helpful in low light, and does make a visible bokeh difference in portraits. Depth of field is same from f2 to me. The large size of the summilux makes it hard to carry compared to the summicron which is really a perfect lens. The sharpness and color are outstanding, and the 3D effect at f2 while more clinical than the summilux is outstanding in portraits. I don't find it "nochty" at all. If you want some sample photos of depth of field I could take some this weekend - let me know.

Eric

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philipus

philipus

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Thanks Eric, very helpful information to me too as I am considering the Summilux.

 

I'd be interested in seeing examples of the purple fringing of the Summilux. I guess it predominantly applies to digital usage? I'm using film but am considering the M eventually.

 

Cheers

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Paul J

Paul J

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Yes fringing is something the Summilux is no stranger too. Never really been a problem though I just retouch it out. It's more the sharpness and contrast that I need another option for and the more of the Summicron the more I want it. Yes I agree the Summilux is tricky wickets to focus.

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IWC Doppel

IWC Doppel

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I have seen some great shots from the 75 APO and the MTF's are top draw, I bet 1/2 an hour with both lenses would give you an idea, Leica Mayfair can oblige I am sure, they do seem very helpful there :)

 

I think you'd regret selling your lux though, and it's only gaining value so I would definitely keep it !

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otto.f

otto.f

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I'm only repeating what I once said in a thread about the Summilux 75 on this forum, maybe useful for you to search that thread btw.

I owned two Summilux 75s, because I regretted selling the first one, :), so I really love this lens. How ever I now own the asph APO Summicron 90 (SAA), which gives me exactly the bite I sometimes longed for when using the S'lux 75 on wider apertures, and that's where you are also talking about.

So if I were you I would not invest in another 75, and go for the SAA 90 alongside the 75 lux. You've got nearly the same shallow depth of field at 90/2.0 as with 75/1.4.

Moreover the SAA 90 is at its best from 2 to 2.8, whereas the 75 grows in IQ very regularly from 1.4 to 8.0. With this combination you have two lenses with complementary, special characters.

A Summicron 75 alongside the Summilux 75 would be a waste of money in my perspective. Unless you are talking about other criteria like weight and size of course: the 90 is about as 'handy' or bulky as the 75 lux.

Although selling the 75 lux at this moment is probably more profitable than last year, it will probably even more profitable next year when the new M with live-view is out.

Here:

http://www.summilux.net/m_system/images/Summilux75.pdf

you see in the table that the depth of field is nearly equal to the SAA 90 (see Leica-site) in the close-focus range.

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IkarusJohn

IkarusJohn

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I'm only repeating what I once said in a thread about the Summilux 75 on this forum, maybe useful for you to search that thread btw.

I owned two Summilux 75s, because I regretted selling the first one, :), so I really love this lens. How ever I now own the asph APO Summicron 90 (SAA), which gives me exactly the bite I sometimes longed for when using the S'lux 75 on wider apertures, and that's where you are also talking about.

So if I were you I would not invest in another 75, and go for the SAA 90 alongside the 75 lux. You've got nearly the same shallow depth of field at 90/2.0 as with 75/1.4.

Moreover the SAA 90 is at its best from 2 to 2.8, whereas the 75 grows in IQ very regularly from 1.4 to 8.0. With this combination you have two lenses with complementary, special characters.

A Summicron 75 alongside the Summilux 75 would be a waste of money in my perspective. Unless you are talking about other criteria like weight and size of course: the 90 is about as 'handy' or bulky as the 75 lux.

Although selling the 75 lux at this moment is probably more profitable than last year, it will probably even more profitable next year when the new M with live-view is out.

Here:

http://www.summilux.net/m_system/images/Summilux75.pdf

you see in the table that the depth of field is nearly equal to the SAA 90 (see Leica-site) in the close-focus range.

 

This was my thinking when I bought the AA90.

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philipus

philipus

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... the 75mm LUX is one of my favorite Lens, wide open 1.4 and here same example with 5.6

 

porträts

 

regards philipp

 

Philipp, very nice portraits. Thanks for linking to them. Did you do much post-processing on the files, for instance sharpness, or is this more or less how they camy out of the camera?

 

Cheers

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enigmart

enigmart

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Philipp, very nice portraits. Thanks for linking to them. Did you do much post-processing on the files, for instance sharpness, or is this more or less how they camy out of the camera?

 

Cheers

 

... one Flash (to the ceiling), white cardboard, no sharpness ... little post-processing with LR (black & white)

 

... Flash settings (aperture 8.0), Lens aperture 5.6 ...

 

Cheers philipp

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Paul J

Paul J

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Yeah really don't think I'd sell the Summilux. I like it for what it offers. Just need something more too.

 

Thought about the 90AA instead but i'll just get that as well eventually. I have a pre-ASPH 90 already. It's the 75 focal length I'm after, you need a lot more distance between yourself and subject with the 90.

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