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Thread: Leica 75mm Summarit Vs Leica 75m, Summilux

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    Leica 75mm Summarit Vs Leica 75m, Summilux

    Morning folks lets start the testing. i need to run and go shoot more this morning but wanted to at least get the bokeh shot since the light was actually pretty nice and diffused. i may even use this test for Center sharpness too but this will give a nice idea on bokeh between these two becuase i think this is the biggest concern area about the difference between 1.4 and 2.5 . But you can also look at this for other interest color, contrast and saturation too.

    test bed is a old scare crow that is really in the garbage can but perfect for this because it does have some nice detail to look at. I focused squarely on it's mouth area at ISO 160 . I did check focus first and looks like i am on target and IR filters on and also menu option

    So here we go

    First lets get the Lux 75 1.4 and F2 out of the way because they are on there own here. 1.4 than f2
    Photography is all about experimentation and without it you will never learn art.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Okay lets move on to 2.5 let's do LUX first Than Summarit
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Okay 2.8 series . Both look really nice so far. Lux first than Summarit in this whole series
    Photography is all about experimentation and without it you will never learn art.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Okay at F4
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    And 5.6 and this is as far as we need here. Please feel free to comment , i am out of here to go shoot more. Don't burn the house down be back soon
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Let's try something here let's put the 75mm Lux at 1.4 and the Summarit at 2.5 on the same page. I think this is really what folks want to see as the difference in aperture and what the bokeh looks like. Okay Lux at 1.4 than Summarit at 2.5 together
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Summarit has more contrast than the Lux and is sharper at there wide open apertures which i expected and there is a difference in bokeh , not huge but it is there. I am suspecting and the more i test these summarits there a cross between the Lux and the Crons. Contrast seems to be right between them Lux the more open contrast and cron the more closed or blocked contrast. the Summarit seems to ride the middle of them. Hmmm very interesting. Question that will come up for folks is speed and bokeh in the 75's as there main concern and obviously size and weight are big factors . The 75 lux is the biggest lens in M
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Quote Originally Posted by Guy Mancuso View Post
    Summarit has more contrast than the Lux and is sharper at there wide open apertures which i expected and there is a difference in bokeh , not huge but it is there. I am suspecting and the more i test these summarits there a cross between the Lux and the Crons. Contrast seems to be right between them Lux the more open contrast and cron the more closed or blocked contrast. the Summarit seems to ride the middle of them. Hmmm very interesting. Question that will come up for folks is speed and bokeh in the 75's as there main concern and obviously size and weight are big factors . The 75 lux is the biggest lens in M
    guy

    for me your tests confirm my impressions: The 75 Lux is simply the best portrait lens in the M stable as it presents very good sharpness even wide open but is able to really separate the portrait from the background. Still really happy I bought one.

    Woody

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Great test Guy!

    I have to say, the little Summarit is impressive! It shows sharper at 2.5, yet background is still pleasant. As Woody said, not nearly as creamy or isolated as the 75 Lux's wide open, but darn good, especially when you consider the size AND price differences!

    I have a specialty Leica M lens that we need to include in this test as soon as it returns from its CLA --- A quite rare 73mm Hecktor from the 1930s... The lens is an uncoated f2.2 and has "glow" out the wazoo, yet sharpened up nicely by f5.6. But it needed some haze removed and the focus and aperture lubed up, so I don't have it right now. I have a hunch it will replace the 75 Lux as my "Portrait Queen" and the 75 Summarit would make a nice travel companion over the Lux, so my Lux may be on the block soon...
    Jack
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Woody and Jack thanks and actually guys you both hit the nail on the head , it really is going to come down to need or style you are after. Okay just got back from more shooting and more samples to post and hopefully round out this thread some more. But i am convinced now that i put a Lux in this test i have figured it finally out what these Summarits are and honestly they are really riding the look between the Cron and the Lux looks or character and that is what i am finding very nice about these Summarits. I think this is the the true bottom line on the Summarits , took me awhile to figure that out but I am convinced of this now . okay more processing
    Photography is all about experimentation and without it you will never learn art.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Stop for stop, I find these two lenses shockingly similar. I would *love* to see a comparison, including closeups, of the 75 Lux and 75 Cron at f/2, and all three at f/2.4 (the Summarits are really f/2.4, but Stephen K. Lee is of Chinese origin, and whether due to his own beliefs or simply sales to China, decided that the 2-4 number combination was not a good one, meaning something like "easy death": http://en.wikipedia.org/wiki/Numbers_in_Chinese_culture).
    Carsten - Website

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Not bad for the Summarit, but I'm still happy that I've got the 'lux. One thing I see is the lux seems to have a little better color definition (looking at the pumpkin and burlap on the chest of the scarecrow) - the Summarits colors look a little flat.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Lux at 2.5 and than the summarit at 2.5 i hand held these
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Lux at 1.4
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Summarit at 2.5 just putting up some images as a break than i will do the sharpness test.
    Photography is all about experimentation and without it you will never learn art.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    First one is 5.6 the rest wide open Summarit only
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    What I have found between the Summarrits is there deadly sharp wide open and usually as we all know this really happens normally a stop down for many lenses like the Lux . This adds another curve ball in the mix . Where I see the difference is contrast and that added 1.4 and f2 bokeh but at the same apertures the Summarit has more contrast than the pastel look of the Lux , now you can fix that contrast either way with either lens too. But if your after sharp my bat is swinging in the Summarit direction but let's see how more in the sharpness test.
    Photography is all about experimentation and without it you will never learn art.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Guy,

    I'd love to see a test against the newer design 75 Cron APO. The 75 Lux, while very nice is also a spherical design. How does the 75 Summarit stack up against the latest and greatest APO ASPH?

    David

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    You have one David in the store you can ship . i would love to throw the 75 cron in the mix. That would really round this test out on the leica 75mm . Need a 49 IR filter to.

    Hate to borrow a members lens at least a store unit we can get replaced by leica if something bad happens
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Something bad?

    I only have new, in-the-box ones. So, sadly I don't have a demo one to send you. Christian probably has some in his loaner pool if you ask real nice. And I don't have one personally. As you know I am more of a 90 guy.

    Sorry.... I'd still love to see the match-up though. I've used the 75 APO quite a bit in the past and it is a gem.

    David

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Thanks David sending e-mail now
    Photography is all about experimentation and without it you will never learn art.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Okay here is a full image of the scene here this is a Summarit. Let's get in to corner test only here , I want to use the scare crow for on center. I focused on the back wall and we are going to use the bottom left corners
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    let's put the LUX 1.4 and f2 up first since there just extra's
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Okay at 2.5 the Lux is first agin in this series than the summarit
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    2.8 lux than Summarit
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    F4 Lux and Summarit again i was expecting these results
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Finally at 5.6
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    On center of the Scare crow Lux first at 1.4 and f2 . This is a very small portion of the frame
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Okay 2.5 Lux than Summarrit . I am focused dead on the mouth
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    2.8 center crops
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    F4 center crops. There both pretty deadly on center
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Last center crops at 5.6 . That is all for today folks , comments welcome.
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Just for scale again to see how much i cropped in , here is a FF image
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Very useful test here Guy. Thank you. I too would like to see how the 75 Cron AA image compares. I expect the Cron is better, but the size, price, and performance of the Summarit is attractive. If I already owned a 75mm Lux, I would be tempted to keep it, but add 75 Summarit as small travel alternative.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Mark this is really a tough call. There certainly not begineer lens that is for sure. There sharp across the whole filed they have nice contrast , color and saturation and they have nice bokeh too. Also my exposures with the Summarits are very even across the apertures.
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Just received note from Leica, 75 cron is on it's way to me. That was quick
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Quote Originally Posted by Guy Mancuso View Post
    You have one David in the store you can ship . i would love to throw the 75 cron in the mix. That would really round this test out on the leica 75mm . Need a 49 IR filter to.

    Hate to borrow a members lens at least a store unit we can get replaced by leica if something bad happens
    Just lock the dog in the house and you should be fine.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux



    Exactly right Terry need to lock Drake up, than someone needs to lock me up getting dangerous in my old age . I have one coming from Leica
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    It will be the Summarit for me. It would be a much more difficult decision if I already had 75mm.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    By the way....if anyone complains that you didn't take your shots in the studio of resolutions charts I think you did double duty on this subject matter. You got outdoor environmental shots that have the required lines and crosshatches on the scarecrow's face!!!

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Great observation Terry, just tell them it was intentional.
    Photography is all about experimentation and without it you will never learn art.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Guy, look at the little white fuzzy things on the very top of the head (scarecrow images). They are a little back from your plane of focus but the Lux is picking up more detail here than the Summarit, at least until f/4. What do you think?

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Focus shift is my call on it. Sean and i just talked about this too. The Lux most likely shift backwards reason it picked up the sharpness is my best guess. the LUX will focus shift. Now i should ask Sean if he has noticed any in the Summarits but from what I can tell i have not seen it. Nothing moved for me on the test . On tripod with self timer set at 2 seconds and the lovely model was bolted into a light stand in the back , no wind either
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    A few from the CV75...
    Nothing special these are my initial shots with the 75 trying learn the framelines (ha ha) and trying to see if I could get focus wide open there are more if you follow the link to the gallery (zenfolio link) and I am sure you can figure out the gallery.

    tbanet.zenfolio.com






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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    That's a nice lens for sure. Nice images Terry
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Found another grab shot from yesterday with the 75 and the second one is the 90 summarit.
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    It was interesting to see the CV 75 in there. I'm hoping Sean will have it head to head with the Summarit. I've been impress with mine.

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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Yes i also look forward to seeing his 75mm review. We talked about it yesterday and he has a few reviews to post first of other gear than get back to his Summarit reviews but it will be interesting to see what the CV 75mm did in his test. I think between all the folks running test on the Summarits we are really seeing some nice stuff. Very helpful to get a good picture of what they can do.
    Photography is all about experimentation and without it you will never learn art.

    www.guymancusophotography.com

  49. #49
    Sr. Administrator Jack's Avatar
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    It will be interesting to see the CV75 and 75 Summarit side-by-side... I suspect the differences will be "fingerprint" only as both appear to be stellar performers.
    Jack
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    "Perfection is not attainable. But if we chase perfection, we can catch excellence."

  50. #50
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    Re: Leica 75mm Summarit Vs Leica 75m, Summilux

    Guy, the wooden fence shot from 22:33, I think that is a 75 Lux shot at f/1.4 which you put up next to the Summarit, no?

    The Summarit looks a tad more contrasty all over, and sharper at f/2.5 and f/2.8 but by f/4, the Lux looks like it may have passed the Summarit? Anyway, they are really close in look, sharpness and contrast all around. Interesting. The 75 Summarit might be a great second 75 for me, with the 75 Lux and the 90 Cron Asph already in my bag, but nothing small on hand.
    Carsten - Website

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