Hacker Posted September 6, 2007 Share #1 Posted September 6, 2007 Advertisement (gone after registration) Can anyone share the difference in real world usage between the 2 lenses? Is there any reason to use the 90 AA if one has the 75 AA or vice versa? I know that the minimum focusing distance is 0.7m for the 75 compared to 1.0m for the 90. I have read about the 75 Lux but as this is too huge and not available anymore, so I'm looking at the difference between the 2 APO lenses. I already own the 90 AA. The primary usage if I add the 75 AA would be for portraits on the M8. Link to post Share on other sites More sharing options...
Advertisement Posted September 6, 2007 Posted September 6, 2007 Hi Hacker, Take a look here 75AA and 90AA DIfferences. I'm sure you'll find what you were looking for!
carstenw Posted September 6, 2007 Share #2 Posted September 6, 2007 The 90AA is close in size to the 75 Lux. The 75 framelines are much less accurate than the 90 framelines. They are both similar in look and quality wide open to stopped down. The 75 Cron is much more compact, and with its closer focusing, can get more enlargement at the near limit. I am struggling with this choice myself, especially since the 90AA can be found for much less than the 75 Cron. I lean towards the 75 Cron though, partly with an eye towards a FF M9, as well as use on my M6. Link to post Share on other sites More sharing options...
marknorton Posted September 6, 2007 Share #3 Posted September 6, 2007 I have all three lenses, though the 90/2 is a recent addition and is currently vacationing in Solms. I use the 75/1.4 rather more than the 75/2 and the quick tests I did on the 90/2 before it left were very pleasing. Link to post Share on other sites More sharing options...
Hacker Posted September 6, 2007 Author Share #4 Posted September 6, 2007 I have all three lenses, though the 90/2 is a recent addition and is currently vacationing in Solms. I use the 75/1.4 rather more than the 75/2 and the quick tests I did on the 90/2 before it left were very pleasing. Is the 75 Lux more pleasing for portraits then, compared to the 75 Cron? If I may ask, you have 3 lenses and I presume you do see difference between the 75 Cron and the 90AA other than portability? Sorry for the questions, my dealer has a 75 AA (and the WATE) in stock yesterday, and this is very tempting. Link to post Share on other sites More sharing options...
woodyspedden Posted September 6, 2007 Share #5 Posted September 6, 2007 I have both the 75 cron and now very recently the 75 lux. I will probably sell the cron as i find the lux to have a very unique look and love portraits done wide open. I also have the 90 AA and find it to be a simply wonderful lens. Puts rates this at the very top of the heap of Leica designs. It is super sharp and has wonderful color. YMMV Woody Spedden Link to post Share on other sites More sharing options...
voightL Posted September 7, 2007 Share #6 Posted September 7, 2007 Can anyone share the difference in real world usage between the 2 lenses? Is there any reason to use the 90 AA if one has the 75 AA or vice versa? I know that the minimum focusing distance is 0.7m for the 75 compared to 1.0m for the 90. I have read about the 75 Lux but as this is too huge and not available anymore, so I'm looking at the difference between the 2 APO lenses. I already own the 90 AA. The primary usage if I add the 75 AA would be for portraits on the M8. Are you living in Temasek? If you are, you've got PM. Link to post Share on other sites More sharing options...
dritz Posted September 7, 2007 Share #7 Posted September 7, 2007 Advertisement (gone after registration) If you're portraits are taken at 2m or less, go for the 75 'cron. If you are trying to bridge a greater distance then use the 90 to get closer. Also, the 75 'cron has a shorter focus throw and thus faster to use. It's smaller front element is less intimidating. That's what I consider to be practical advice. All three lenses are excellent. If I were choosing on just one factor of those listed above, I'd choose based on the expected camera to subject distance. A 75 'cron at close focus. First image is full 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! 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/32835-75aa-and-90aa-differences/?do=findComment&comment=347846'>More sharing options...
Hacker Posted September 7, 2007 Author Share #8 Posted September 7, 2007 Good advice from all. The 75 Cron ASPH is now missing from one shop . Link to post Share on other sites More sharing options...
guidomo Posted September 7, 2007 Share #9 Posted September 7, 2007 Can anyone comment on the differences between the two 90 crons: pre-AA and AA version? I have the old version and, whilst I really like the lens, I was wondering what benefits "upgrading" to AA might have. I also use it for portraits but seem to be using the 75/1.4 more and more in that department. So its most use is on architectural details and nature. Any comments on sharpness, colour and general "look" are much appreciated. (Unfortunately Sean did not have the pre-AA version in his recent 90mm test.) Link to post Share on other sites More sharing options...
lars_bergquist Posted September 7, 2007 Share #10 Posted September 7, 2007 In FF terms, and considering the focal length only, not the 'fingerprints' of the different lenses, this is 100 versus 120mm. In practice, the decision is made by which other lenses you are carrying. 28+75 is OK and very similar to the classical 35+90 set, but the jump from 28 to 90 may be too long. 90 is good with a 35. But 28+50+90 (but preferably a lightweight one!) is also an excellent suite for general photography. The old man from the Age of 50+135mm Link to post Share on other sites More sharing options...
zapp Posted September 7, 2007 Share #11 Posted September 7, 2007 Good advice from all. The 75 Cron ASPH is now missing from one shop . The 90AA has a close up distance of 1m, the 75AA is 0.7m. I switched from the R80 lux to the 90AA for R because for the better close up distance and better performance - if you prefer sharp images the AA's are superb if you prefer a soft touch go for the Lux. As I am getting used to the angle of view of the 90, I liked the 80 and its angle of view better. The 75 AA would also be my choice on the M. Larger frame lines in the viewfinder, perfect portrait angle of view / perspective, and closer focus distance. You also save some weight, etc Link to post Share on other sites More sharing options...
voightL Posted September 7, 2007 Share #12 Posted September 7, 2007 Good advice from all. The 75 Cron ASPH is now missing from one shop . hi hacker, I know the 75cron is missing from which shop! :D Enjoy! Link to post Share on other sites More sharing options...
grober Posted September 7, 2007 Share #13 Posted September 7, 2007 I have owned all three optics but only have the 75 Summicron now. I much prefer both its close focusing abilities and its vastly better weight and balance than the 75 'Lux which I always felt was too heavy on any M-body. I bought the 75 'Cron the first month it becames available. Hey, the 75 'Lux will always have plenty of supporters. When you shoot in poor light conditions and need some extra reach for portraits, only the 75 'Lux will do. But for general shooting, I would always reach for the Summicron first. My 90mm Summicron APO-Asph had to be sold in order to afford the M8. Such a beautiful preforming lens! But I can't say I miss it from an operational perspective given my complete happiness with the 75 'Cron. When I absolutely need more reach, I pull out an older, but still usable 90mm Tele-Elmarit. (The tiny Tele-Elmarit is still my travel tele of choice.) -g Link to post Share on other sites More sharing options...
Hacker Posted September 7, 2007 Author Share #14 Posted September 7, 2007 If you're portraits are taken at 2m or less, go for the 75 'cron. If you are trying to bridge a greater distance then use the 90 to get closer. Also, the 75 'cron has a shorter focus throw and thus faster to use. It's smaller front element is less intimidating. That's what I consider to be practical advice. All three lenses are excellent. If I were choosing on just one factor of those listed above, I'd choose based on the expected camera to subject distance. A 75 'cron at close focus. First image is full frame. Beautiful pix. Love the eyes and the dead on focusing. Link to post Share on other sites More sharing options...
Paul Hart Posted September 8, 2007 Share #15 Posted September 8, 2007 These were taken with the 75AA. I have the 90AA also, but usually reach for the 75 on my M8 as it seems spot on for portrait use. I can't see any difference in image quality and they both seem to render images in much the same way. To my mind the only difference is physical size, and reach. Link to post Share on other sites More sharing options...
Eoin Posted September 10, 2007 Share #16 Posted September 10, 2007 Here's a quick and dirty test between a 75 Summicron, 85 Summarex, 90 Summicron Pre Asph and 50 Noctilux. 75 Summicron had a UV/IR filter on, all others were bare. Nothing scientific, just for your info. Order is 75 @ f2 & f4, 85 @ f2 & f4, 90 @ f2 & f4 and Nocti @ f2 & f4, Highlight is just 75, 85 & 90 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! 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/32835-75aa-and-90aa-differences/?do=findComment&comment=350544'>More sharing options...
Eoin Posted September 10, 2007 Share #17 Posted September 10, 2007 90 & Nocti 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! 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/32835-75aa-and-90aa-differences/?do=findComment&comment=350545'>More sharing options...
Eoin Posted September 10, 2007 Share #18 Posted September 10, 2007 75 & 85 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! 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/32835-75aa-and-90aa-differences/?do=findComment&comment=350548'>More sharing options...
Eoin Posted September 10, 2007 Share #19 Posted September 10, 2007 90 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! 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/32835-75aa-and-90aa-differences/?do=findComment&comment=350549'>More sharing options...
Hacker Posted September 10, 2007 Author Share #20 Posted September 10, 2007 Thanks for the pix. I can see that the the pixs are somewhat different in signature, and the 75 appears sharper looking at the concrete wall at the right. I love the Nocti . Link to post Share on other sites More sharing options...
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