LBJ2 wrote: zhangyue wroteMystik wrotezhangyue wroteCPL at back light condition can be really poor for portrait. You lose about 1~1.5 stop light in shadow that difficult to recover, especially for subtle skin tonality. depend on situation, It will also add extra flare and reduce contrast.
If the light condition make skin exposure in the middle or up range of luminosity area, it will make skin color deeper to cut the flare out. I find CPL mostly does negative than help for my preference.
Back to topic, I like what I see in this GM, it seems Sony has found a formula of rendering for their lenses, it looks quite similar to 24GM to me. I am not saying this is the best approach or I prefer this to anything out there, but it seems works mostly especially for wide angle lens which are usually having problem on background rendering.
As for compare to Sigma, I think as long as Sigma offer f1.2, this will be unfair comparison as always, half stop doesn't sounds a lot, but when you compare f1.4 and f1.8 design, you will notice how much more challenge this half stop bring. If you still pixel PP its sharpness at f1.4 and compare to Sigma or any other lenses, I think you miss the point. I don't care record breaking resolution, it means nothing to me in real world use. However, This one do offer pretty good rendering to my eyes, even corner looks pretty good to me.That one eye in focus is really sharp though! lol. Of course it depends on how you frame the subject...particularly for a fast wide angle...frame loose to pull more of the background in and there is enough DOF to keep most the subject critically in focus even at f1.4.
That said, I'm not really losing sleep over f1.4 vs f2 as I don't personally find the difference to be too material unless the light gets low and we're talking ISO values. All in all bokeh and rendering RX1 sonnnar has a very pleasing look despite being "only" f2. I suspect both the Sigma and GM will be competently sharp enough....it all comes down to rendering for me . If the rendering of the Sigma f2 is pleasing, I'll pass on the GM, and save some room in my budget and my bag.I was mainly talking about sigma f1.2 compare to f1.4 GM. People seem suddenly forget how special that f1.2 is/was
I don't really know how to compare New sigma contemporary f2 to this GM. I think GM will at least win on corner rendering of better performing on cat eye and vignette. Usually, it is not just vignette itself bother me, but alway a few rendering problems associated with such mechanical vignette, It is like stop down lens partial of the frame. Still, this sigma is very good at f2. At f2.8, it seems totally fine with corner. Size and weight is a significant merit for sigma. the performance and size ratio is a winning formula for me in this case and it doesn't change with this GM.
For 35mm, I think I would prefer neutral rendering than blur than harsh rendering. Neutral means not just blur quantity but keep background shape and rendering with smooth fade away, the next stage is smooth with lots of blur, this is mostly fine but just a little boring, and many time, stopdown a little may lead to better looking images, the worst one is harsh. This is not a hard definition but all 35mm lenses lie somewhere between. In this regard, lens speed of 35mm is really not a first priority for my use. (MY USE) That is why I still think none touch RX1 in my eyes. It is not just smoothness but everything as a package.
This GM is good. A surprise in term of size, I like what I see here, I assume it will offer another advantage over others: AF. That may be an important factor for pro who cover events. AF could be a big consideration in lens design in modern age. I just want to applaud good engineering here for a whole package offered: price, size, AF and optics. A pretty significant statement IMO.You wrote: " I just want to applaud good engineering here for a whole package offered: price, size, AF and optics. A pretty significant statement IMO. "
Curious to see how both compare Sony GM 35 vs Leica SL 35. Already size is evident and then there is that DxOMark measurement comparing one of my current personal favorite 35's for Sony FE, the Sony Zeiss FE 35 F1.4 vs The One Leica SL 35/2 APO:
Haha, I don't dare to buy AF leica glasses. If there is no L mount alliance, there is no L camera for me but this is just me.
It is not small and also happen to be super expensive It scores pretty low in my book for Overall package. Its glasses performance maybe the best of best. DXOmark is not fair test for 35cron though, it was tested on S1R, the sensor stack is very different. This lens has to be used on SL2.
That the Zony 1,4/35mm ZA on the A7R II is allegedly sharper in absolute terms than the Leica SL 2/35mm on the S1R really says everything one needs to know about the trustworthiness of DXO lens tests.
zhangyue wrote: LBJ2 wrotezhangyue wroteMystik wrotezhangyue wroteCPL at back light condition can be really poor for portrait. You lose about 1~1.5 stop light in shadow that difficult to recover, especially for subtle skin tonality. depend on situation, It will also add extra flare and reduce contrast.
If the light condition make skin exposure in the middle or up range of luminosity area, it will make skin color deeper to cut the flare out. I find CPL mostly does negative than help for my preference.
Back to topic, I like what I see in this GM, it seems Sony has found a formula of rendering for their lenses, it looks quite similar to 24GM to me. I am not saying this is the best approach or I prefer this to anything out there, but it seems works mostly especially for wide angle lens which are usually having problem on background rendering.
As for compare to Sigma, I think as long as Sigma offer f1.2, this will be unfair comparison as always, half stop doesn't sounds a lot, but when you compare f1.4 and f1.8 design, you will notice how much more challenge this half stop bring. If you still pixel PP its sharpness at f1.4 and compare to Sigma or any other lenses, I think you miss the point. I don't care record breaking resolution, it means nothing to me in real world use. However, This one do offer pretty good rendering to my eyes, even corner looks pretty good to me.That one eye in focus is really sharp though! lol. Of course it depends on how you frame the subject...particularly for a fast wide angle...frame loose to pull more of the background in and there is enough DOF to keep most the subject critically in focus even at f1.4.
That said, I'm not really losing sleep over f1.4 vs f2 as I don't personally find the difference to be too material unless the light gets low and we're talking ISO values. All in all bokeh and rendering RX1 sonnnar has a very pleasing look despite being "only" f2. I suspect both the Sigma and GM will be competently sharp enough....it all comes down to rendering for me . If the rendering of the Sigma f2 is pleasing, I'll pass on the GM, and save some room in my budget and my bag.I was mainly talking about sigma f1.2 compare to f1.4 GM. People seem suddenly forget how special that f1.2 is/was
I don't really know how to compare New sigma contemporary f2 to this GM. I think GM will at least win on corner rendering of better performing on cat eye and vignette. Usually, it is not just vignette itself bother me, but alway a few rendering problems associated with such mechanical vignette, It is like stop down lens partial of the frame. Still, this sigma is very good at f2. At f2.8, it seems totally fine with corner. Size and weight is a significant merit for sigma. the performance and size ratio is a winning formula for me in this case and it doesn't change with this GM.
For 35mm, I think I would prefer neutral rendering than blur than harsh rendering. Neutral means not just blur quantity but keep background shape and rendering with smooth fade away, the next stage is smooth with lots of blur, this is mostly fine but just a little boring, and many time, stopdown a little may lead to better looking images, the worst one is harsh. This is not a hard definition but all 35mm lenses lie somewhere between. In this regard, lens speed of 35mm is really not a first priority for my use. (MY USE) That is why I still think none touch RX1 in my eyes. It is not just smoothness but everything as a package.
This GM is good. A surprise in term of size, I like what I see here, I assume it will offer another advantage over others: AF. That may be an important factor for pro who cover events. AF could be a big consideration in lens design in modern age. I just want to applaud good engineering here for a whole package offered: price, size, AF and optics. A pretty significant statement IMO.You wrote: " I just want to applaud good engineering here for a whole package offered: price, size, AF and optics. A pretty significant statement IMO. "
Curious to see how both compare Sony GM 35 vs Leica SL 35. Already size is evident and then there is that DxOMark measurement comparing one of my current personal favorite 35's for Sony FE, the Sony Zeiss FE 35 F1.4 vs The One Leica SL 35/2 APO:
It is not small and also happen to be super expensive It scores pretty low in my book for Overall package. Its glasses performance maybe the best of best. DXOmark is not fair test for 35cron though, it was tested on S1R, the sensor stack is very different. This lens has to be used on SL2.
I agree, to be fair, the 35 SL should be tested on a Leica SL sensor like the SL2.
Dave Sanders wrote: Mystik wroteI may need to give CPLs for portraiture another go, but having used them in the past, and possibly try better quality CPL's....but I haven't been a fan of the way the way they flatten the highlights on the subject. I suppose it depends on how you expose your subject? i.e. I tend to ensure that the brightest highlights are those on my subject....if natural light does not allow for it, reposition, or grab a light or reflector. So typically, wouldn't not want to use or need one, but as always...open to trying something new.I think they're a bit of a double edged sword on people. On one hand, they can reduce hotspots and help you with a warmer, more even look. On the other hand, going too far can take away the sparkle and life from skin and leave something flat and a bit lifeless. I, like you, am a bit wary of polarizers and people but in the (slide) film days I definitely found times when they were beneficial. I think one has to be careful and pay careful attention as they rotate it. I really haven't done much portrait shooting with a polarizer in the digital era.
Hmmm...maybe I should drag someone out and do a series of shots with increasing/decreasing polarization and see what I like. During a Vancouver winter with covid restrictions, there is neither sun nor willing models......Show more →
I can’t remember ever using a CPL for people in regards to hot spots. Typically I’m using lights anyway so I’ll move them. Or I’ll just move subject otherwise. I think it may affect someone’s eyes too much and make them look flat
(1) The great advantage of 'actual lens' MTF charting is that *only the lens* is tested. It's long-established, rigorous and very accurate. It's why Lensrentals went to a great deal of trouble and expense to set their MTF device up. MTF is as close to unchallengeable as any measure we use, which is why it has been the industry standard for lens performance ever since Carl Zeiss's staff painstakingly hand-plotted results in the 1950s. Lens contrast (what MTF measures) was universally adopted as the gold standard, and Zeiss established and 'settled the science', and even make the measuring devices.
(2) A very different measure is 'computed MTF' (as used by Sony-Canon-Nikon). It's close to fake science, good only as a general guide for other features like curvature, fall off, aperture differences, etc. Even then, it only is effective for same-brand lenses tested with the same 'methodology' - and these vary widely by maker.
(3) A third approach is that used by DxO. DxO's methodology in this instance beclowns them in the eyes of informed users of optical statistics. Just to clarify. It's why their results often conflict with the findings of users.
The 35/2 SL is the strongest reliable lens MTF I've ever seen. It's the best SL lens. In the opinion of design chief Peter Karbe, it's 'the best lens ever made'. Any 35mm even close, will be terrific.
philip_pj wrote:
....
The 35/2 SL is the strongest reliable lens MTF I've ever seen. It's the best SL lens. In the opinion of design chief Peter Karbe, it's 'the best lens ever made'. Any 35mm even close, will be terrific....
And yet it has little appeal even among the Leica shooters. If this lens was out 10 years ago, I imagine a lot more people would be excited about it. Nowadays, most modern optics give you sharp and clean enough pictures that the performance gain from the SL 35/2 seems to be for the collectors, test chart shooters, etc. IMHO, Karbe and Leica have lost their way in making these SL lenses when their f/2 is about as big as an f/1.4 lens. I say there is a reason why the Leica R ceased to exist while their M system has survived till this time. Going bigger and heavier to achieve the ultimate IQ apparently appeals to a smaller group of people. The L alliance really saved the L-mount future though.
hiepphotog wrote: philip_pj wrote....
The 35/2 SL is the strongest reliable lens MTF I've ever seen. It's the best SL lens. In the opinion of design chief Peter Karbe, it's 'the best lens ever made'. Any 35mm even close, will be terrific....And yet it has little appeal even among the Leica shooters. If this lens was out 10 years ago, I imagine a lot more people would be excited about it. Nowadays, most modern optics give you sharp and clean enough pictures that the performance gain from the SL 35/2 seems to be for the collectors, test chart shooters, etc. IMHO, Karbe and Leica have lost their way in making these SL lenses when their f/2 is about as big as an f/1.4 lens. I say there is a reason why the Leica R ceased to exist while their M system has survived till this time. Going bigger and heavier to achieve the ultimate IQ apparently appeals to a smaller group of people. The L alliance really saved the L-mount future though.
I would agree with you at least from output images POV. It will be really difficult differentiate lens like 35cron SL and Sigma 35mm 1.2 or this GM at given aperture. Unless we have perfect gear and shooting condition and print huge at WO aperture check extreme corner. AF speed difference will be most likely noticeable though and for certain images, the difference is just you can or can't get the image at all.
However, in this hobby, there is no need for a sane justification for things you like. I would be really happy to give it a try someday, it is the one and only AF Leica L lens I want give it a try. just there is a lots of good stuff out there and looks like more and more are coming. I personally can be happy to settle any brand at this time if forced. However, I still prefer use different gears that many may feel unreasonable. The lucky thing is we don't really need justify to the same standard as long as you are happy as users.
R failed mainly due to lack of AF though. The most of R lens don't have much advantage in IQ department anyway even at their time. Those few nice ones are gems that I will never sell, half collector value, half classic rendering value including manual focusing.
I finally sold my ZA 35mm 1.4 lens. This was a bear to sell. But, it's done and I can move on. I wish all the luck in the world to the others trying to sell the lens, too.
To be clear, though, I LOVED that lens and think it gets a bad rap. I think the issues were real, but let's be honest, every negative thing gets amplified on the internet and drowns the positives. For a first generation lens on Sony FF mirrorless, I think it's a fine lens that still has its uses today.
The retail price is ridiculous, but that's probably a contractual thing between Sony and Zeiss. I doubt anyone has bought that lens new in the last couple years anyway.
philip_pj wrote:
(3) A third approach is that used by DxO. DxO's methodology in this instance beclowns them in the eyes of informed users of optical statistics. Just to clarify. It's why their results often conflict with the findings of users.
ic.
Beclowns? I find that their reviews are right on the money for the lenses I've owned, particularly regarding all-important sharpness.
What I'm not pleased with is that DxO has fallen far behind in lens reviews and came out with a terrible article last year on best Sony lenses without updates on all of their newer, better glass. They are focused on cell reviews these days.
TheDeadTexan wrote: UConn140point6 wroteAnyone know when the pre-order will be available and do they typically offer an EDU option with pre-order (B&H program)? Any info is greatly appreciated, thanks!Edit:
Just checked B&H and they're still not offering the EDU discount on the 24GM even after all this time, so there's no way they'll discount this one when it launches.
The 24 is available with EDU discount. I did buy at another authorized NYC dealer. The 35 will have the discount, too, I'm certain. May need a bit of patience.
onthebeam wrote: philip_pj wrote(3) A third approach is that used by DxO. DxO's methodology in this instance beclowns them in the eyes of informed users of optical statistics. Just to clarify. It's why their results often conflict with the findings of users.
ic.Beclowns? I find that their reviews are right on the money for the lenses I've owned, particularly regarding all-important sharpness.
What I'm not pleased with is that DxO has fallen far behind in lens reviews and came out with a terrible article last year on best Sony lenses without updates on all of their newer, better glass. They are focused on cell reviews these days.
I fully agree : DXOMark lens database hasn't been updated since quite some time at least as far as Sony FE mount is concerned (lack of recent lenses from all manufacturers even with their R2 body and no more recent R body, not just Sony). DXO has been (is ?) in financial troubles recently so, maybe they've decided to prioritize their software at the expense of keeping the DXOMark lens database up-to-date...
nicephore wrote: onthebeam wrotephilip_pj wrote(3) A third approach is that used by DxO. DxO's methodology in this instance beclowns them in the eyes of informed users of optical statistics. Just to clarify. It's why their results often conflict with the findings of users.
ic.Beclowns? I find that their reviews are right on the money for the lenses I've owned, particularly regarding all-important sharpness.
What I'm not pleased with is that DxO has fallen far behind in lens reviews and came out with a terrible article last year on best Sony lenses without updates on all of their newer, better glass. They are focused on cell reviews these days.I fully agree : DXOMark lens database hasn't been updated since quite some time at least as far as Sony FE mount is concerned (lack of recent lenses from all manufacturers even with their R2 body and no more recent R body, not just Sony). DXO has been (is ?) in financial troubles recently so, maybe they've decided to prioritize their software at the expense of keeping the DXOMark lens database up-to-date...
I use their RAW software and love it. I get richer files with less effort than Capture One with DxO but downside is it is MUCH slower processing. So not good for production / batch work.
Seems like the T-stop of the GM is just a touch darker than the ZA. Not sure if there's enough there to draw any conclusions on bokeh/rendering, other than the lack of onion rings.