m9photo Posted September 12, 2019 Share #1 Posted September 12, 2019 Advertisement (gone after registration) I've heard of S lenses are one of a kind on Leica line up. Anyone here can share the experience, especially with 120 S? on 35mm this lens should be around 90mm am I correct? 1 Quote Link to post Share on other sites More sharing options...
Advertisement Posted September 12, 2019 Posted September 12, 2019 Hi m9photo, Take a look here S lenses on SL. I'm sure you'll find what you were looking for!
ropo54 Posted September 12, 2019 Share #2 Posted September 12, 2019 (edited) The S 120 is stunningly good. I used it a fair amount on my SL this summer and I was extraordinarily happy with it. Some photos from San Francisco bay with it, below. Other S lenses on the SL are superb, as well. Their autofocus is a bit slower, but very manageable. On the SL, I do like that I can move the focus point with the toggle switch. On 35mm format, the S120 is an actual 120mm. On the S medium format camera it is equivalent to appx 96mm. Rob Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Edited September 12, 2019 by ropo54 15 Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/301409-s-lenses-on-sl/?do=findComment&comment=3818462'>More sharing options...
m9photo Posted September 12, 2019 Author Share #3 Posted September 12, 2019 (edited) Thanks Rob!, Fantastic pics! but isn't it 80mm in medium format is 50mm in 35? so assuming 120 in MF that means this one is 90-100 in 35? I might be wrong. Edited September 12, 2019 by m9photo Quote Link to post Share on other sites More sharing options...
albireo_double Posted September 12, 2019 Share #4 Posted September 12, 2019 The S lenses are optically superb on the SL but they focus much slower, especially the 100 mm Summicron which is so slow that it is almost unusable in a typical fashion or portrait shoot (for me not worth the extra cost of the adapter). I am sure the AF is fine for landscape, still life, product etc., so depends on what you want to shoot. Best is to try in a store. Quote Link to post Share on other sites More sharing options...
ropo54 Posted September 12, 2019 Share #5 Posted September 12, 2019 (edited) m9 - thanks. On the SL 601, the 120mm is 120mm f2.5. On the S 007, it is 96mm, f2 equivalent. My original post was erroneous. Rob Edited September 12, 2019 by ropo54 Quote Link to post Share on other sites More sharing options...
ynp Posted September 12, 2019 Share #6 Posted September 12, 2019 (edited) Just a word of warning. My S100 failed on my SL on the first time I mounted it. It’s was the same AF failure as was discussed in this part of the forum many times. I’d send the older S lenses to Leica got the upgrade first. Edited September 12, 2019 by ynp Quote Link to post Share on other sites More sharing options...
ropo54 Posted September 12, 2019 Share #7 Posted September 12, 2019 Advertisement (gone after registration) Some samples of SL with S 100 (top) and S 120 (bottom two) Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! 4 Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/301409-s-lenses-on-sl/?do=findComment&comment=3818959'>More sharing options...
ropo54 Posted September 12, 2019 Share #8 Posted September 12, 2019 A couple of others with the SL and S120 Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! 3 Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/301409-s-lenses-on-sl/?do=findComment&comment=3818961'>More sharing options...
hoppyman Posted September 12, 2019 Share #9 Posted September 12, 2019 (edited) 8 hours ago, m9photo said: Thanks Rob!, Fantastic pics! but isn't it 80mm in medium format is 50mm in 35? so assuming 120 in MF that means this one is 90-100 in 35? I might be wrong. The exact effective focal length conversion depends on the size of the sensor. That size varies amongst brands and models. To be clearer, the marked focal length is the 35mm value. Looking at it from the other direction, a 70mm S lens is effectively 56mm on an S camera. The conversation factor on the S is 0.8 (agreeing with the numbers Rob gave you). On the SL the native length is what you get. Edited September 12, 2019 by hoppyman 1 Quote Link to post Share on other sites More sharing options...
ropo54 Posted September 12, 2019 Share #10 Posted September 12, 2019 41 minutes ago, hoppyman said: The exact effective focal length conversion depends on the size of the sensor. That size varies amongst brands and models. To be clearer, the marked focal length is the 35mm value. Looking at it from the other direction, a 70mm S lens is effectively 56mm on an S camera. The conversation factor on the S is 0.8 (agreeing with the numbers Rob gave you). On the SL the native length is what you get. You said that much more concisely than I did, Geoff. Thank you! 1 Quote Link to post Share on other sites More sharing options...
mgrayson3 Posted September 12, 2019 Share #11 Posted September 12, 2019 46 minutes ago, hoppyman said: The exact effective focal length conversion depends on the size of the sensor. That size varies amongst brands and models. To be clearer, the marked focal length is the 35mm value. Looking at it from the other direction, a 70mm S lens is effectively 56mm on an S camera. The conversation factor on the S is 0.8 (agreeing with the numbers Rob gave you). On the SL the native length is what you get. I would change that to "the marked focal length is the one most people are used to on a FF sensor". I have used S and X1D size sensors for so long that I translate the other way. I've never used a 19mm lens on Canon, but a 24mm on the S makes instant sense. The XCD 21mm sounds like an ultra-wide. Because it is. The 28 Cron and the SK 35XL are both so familiar that I just think of them as the same. It's weird. 1 Quote Link to post Share on other sites More sharing options...
Daedalus2000 Posted September 12, 2019 Share #12 Posted September 12, 2019 20 hours ago, m9photo said: I've heard of S lenses are one of a kind on Leica line up. Anyone here can share the experience, especially with 120 S? on 35mm this lens should be around 90mm am I correct? First of all just to clarify, the focal length of a lens is a property of the lens, nothing to do with sensors. But in order to understand the equivalent field of view, people like to convert them to the equivalent field of view on what is called a full frame sensor. So the 120mm, has the field of view of a 120mm on the SL but when used on the S it has an equivalent the field of view of 96mm on the SL. I have used it on the SL and it performed well. Actually all S lenses were good, AF wasa bit slow as others mentioned. Quote Link to post Share on other sites More sharing options...
pico Posted September 12, 2019 Share #13 Posted September 12, 2019 Perhaps it would be good to consider a lens focal length with the diagonal of the sensor format. Quote Link to post Share on other sites More sharing options...
hoppyman Posted September 13, 2019 Share #14 Posted September 13, 2019 (edited) One of those topics where people like to be precise with definitions and language etc. I just tried to explain the practical rule of thumb for m9photo for using S lenses on an SL. The active sensor area AND the lens focal length determine the angle of view. Edited September 13, 2019 by hoppyman 1 Quote Link to post Share on other sites More sharing options...
mgrayson3 Posted September 14, 2019 Share #15 Posted September 14, 2019 (edited) 15 hours ago, hoppyman said: One of those topics where people like to be precise with definitions and language etc. I just tried to explain the practical rule of thumb for m9photo for using S lenses on an SL. The active sensor area AND the lens focal length determine the angle of view. Quite so! This subject requires the six inches of fine print at the end of every posting - like an email from a law firm or financial institution - detailing the assumptions ... Field of View (FoV) refers to.... Disclaimer: Comparing 3:2 and 4:3 aspect ratios is fraught with imprecision and we adopt the following... "Equivalence" is not precise, but refers to those settings most likely to result in the most similar print of a fixed size... etc. In fact, I'm going to write an article on it. 😎 Matt Edited September 14, 2019 by mgrayson3 2 1 Quote Link to post Share on other sites More sharing options...
peterv Posted September 15, 2019 Share #16 Posted September 15, 2019 On 9/13/2019 at 12:03 AM, mgrayson3 said: The XCD 21mm sounds like an ultra-wide. Because it is. Matt, since you have experience with both, I wondered how much wider the XCD 21mm really is, compared to the 24mm on our beloved S. After all, the S has the advantage of the wider aspect ratio, so I would guess the Hasselblad 21mm on the XCD is about as wide as the 24mm on the S. (Of course the 21mm Hasselblad may very well be a less optimally corrected wide angle and therefore give the impression of an ultra wide😁😁😁 ) Quote Link to post Share on other sites More sharing options...
mgrayson3 Posted September 15, 2019 Share #17 Posted September 15, 2019 (edited) 2 hours ago, peterv said: Matt, since you have experience with both, I wondered how much wider the XCD 21mm really is, compared to the 24mm on our beloved S. After all, the S has the advantage of the wider aspect ratio, so I would guess the Hasselblad 21mm on the XCD is about as wide as the 24mm on the S. (Of course the 21mm Hasselblad may very well be a less optimally corrected wide angle and therefore give the impression of an ultra wide😁😁😁 ) The 21 is quite linear (after corrections), so it's not that. The aspect ratio isn't a big deal because the X1D sensor is 44mm wide and the S sensor 45mm. Most of the difference is height (33 vs. 30). And, of course, it's all relative. The Voigtländer 10mm on a CL/TL2 is even wider at 15mm FFE (full frame equivalent). The X1D 21 is a 16.8, the S24 a 19.2... But the numbers don't convey the feelings. Each of these lenses looks radically different, not subtly. (Of course, the 10mm on an SL looks truly bizarre unless you're photographing the sky.) Maybe it's that I don't yet "see" at the X1D's FoV, and so I'm always surprised when I bring the camera up to my eye. The S24 is striking, but not unnatural. The 21 looks odd, and the Voigtländer comical. This is the most "natural" shot I've gotten with the 21, and perspective correction has removed a lot of the frame. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! More typical is: 24 on the S from the same place, but not the same framing. And the tallest buildings in the 21 pic weren't yet built. Matt Edited September 15, 2019 by mgrayson3 3 Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! More typical is: 24 on the S from the same place, but not the same framing. And the tallest buildings in the 21 pic weren't yet built. Matt ' data-webShareUrl='https://www.l-camera-forum.com/topic/301409-s-lenses-on-sl/?do=findComment&comment=3820386'>More sharing options...
peterv Posted September 15, 2019 Share #18 Posted September 15, 2019 Nice shots, I really like the New York image. The S 24mm is a lovely wide angle, and although I’m not so much a wide FOV guy myself, this lens has opened up many possibilities for me. I use it wide open in interiors because I like the bokeh a lot and outdoors it’s very sharp corner to corner at f9,5 🙂 2 Quote Link to post Share on other sites More sharing options...
ropo54 Posted October 27, 2019 Share #19 Posted October 27, 2019 SL w Leica S 35mm Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! 5 Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/301409-s-lenses-on-sl/?do=findComment&comment=3842835'>More sharing options...
lik Posted November 30, 2019 Share #20 Posted November 30, 2019 I tried the S-35 and S-180 at my SL2. As far as I remember it works better than with the SL. Nothing to shoot birds with but good for landscape and other not too fasst moving targets. For street photography I wouldn't use S-optics on the SL2 it either. Quote Link to post Share on other sites More sharing options...
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