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Old 01-02-2020   #1121
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The second pictures in the series seem to have slightly lower contrast. Which isn’t a bad thing, really.
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Old 01-02-2020   #1122
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Quote:
Originally Posted by punkzter View Post
Is the original first, followed by the replica?

The second picture in the series consistently seems a little lighter in tone (?)

I will keep secret this time, for now, to see how people react to this final stage comparison test.

I am looking for your guys' comments.

Cheers,
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Old 01-02-2020   #1123
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Quote:
Originally Posted by oldwino View Post
The second pictures in the series seem to have slightly lower contrast. Which isnít a bad thing, really.
Thank you for your comment.

Kevin
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Old 01-02-2020   #1124
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My take: the first picture in each set is the replica and the second the original. The first picture is also slightly brighter in terms of exposure, suggesting a younger lens with better coatings. We also know from Kevin the replica is ever so slightly brighter.

Kevin: May we have some downloadable DNGs from an M10, showing: (a) both lenses focused on a distant scenery at infinity at f2 and f5.6 and (b) both lenses focused on a portrait at 0.7-1m at f2 and f5.6?

Thanks!!
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Old 01-02-2020   #1125
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The first image shows more details in the shade. Note the shadows of the tree branchaes on the left side about the most left sign on the wall.



These shadows do not show in the second image.

.

I first thought that maybe the sun rays have changed, but the top right part of each of these two images shows shadows.
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Old 01-02-2020   #1126
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The 1st image is less contrasty..could be the original..
I prefer the 1st image quality better..from a contrast POV..
Hopefully its the replica..
But I think not..
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Old 01-02-2020   #1127
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Of the two pictures that Raid posted, I prefer the first.
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Old 01-02-2020   #1128
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Kevin,

Can you say what f/ stops were used? Were any of these wide open?

Ed
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Old 01-02-2020   #1129
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There is barely any difference!
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Old 01-02-2020   #1130
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Quote:
Originally Posted by punkzter View Post
Of the two pictures that Raid posted, I prefer the first.
It shows results from the lens with better shade details. Most likely, it is the Leica lens, but he two lenses perform similarly. I am assuming that both lenses are SC.
Is the a major difference between the CV 35/1.4 SC and MC?
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Old 01-02-2020   #1131
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It's easy enough to spot the film images from the dust and other marks (2nd of each)!

But all are lovely. I can't wait for mine.
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Old 01-02-2020   #1132
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Quote:
Originally Posted by CharlesDAMorgan View Post
It's easy enough to spot the film images from the dust and other marks (2nd of each)!

But all are lovely. I can't wait for mine.
Both images sets were taken with film cameras.

"Original Leica 8-element was mounted on Leica m7, and the replica 8-element was mounted on Leica MP"
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Old 01-02-2020   #1133
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Ah, I thought that was digital! So ignore me...
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Old 01-02-2020   #1134
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Disagree regarding the shadows of the trees. It's more likely that the photos were taken during an overcast day, when cloud cover was variable. In the second photo of the trees and shadows on the wall, the reason we can see the shadows on the right hand side is because the objects are closer to the wall. As the tree branches move further from the wall, the shadows cast are weaker. So I would conclude that the difference in shadow strength in the two photos is due to changing light conditions.

Edit to add: I can barely see a difference between the original and the copy. That's an excellent replica.
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Old 01-02-2020   #1135
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The other thing of course is that unless the exposure of each camera is exactly the same (ie precise amount of light let in by aperture, precisely the same shutter speed etc) there will always be slight differences, let alone allowing for light levels changing.

But it looks so good!
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Old 01-02-2020   #1136
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Great quality of the pictures, both with the original lens and the copy.


Erik.
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Old 01-02-2020   #1137
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i would say that first are the replicas and then the original leica...but i'd like to test it by myself ;-)
when will you start to ship for confirmed people in UE ?
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Old 01-02-2020   #1138
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Just looking at the first two images but when viewed side by side the darker image is sharper. At first I thought it was just a slightly different focus point but the characters on the post and on the sign are both sharper.

Shawn
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Old 01-02-2020   #1139
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Which lens was used for the darker images?
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Old 01-02-2020   #1140
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Quote:
Originally Posted by Ed Schwartzreic View Post
Kevin,

Can you say what f/ stops were used? Were any of these wide open?

Ed
Hi Ed,

I have edited my original posts and add aperture settings to each of the comparison shots. Please take a look. The fourth from the bottom comparison shots were using @/2.0.

Happy new year,
Kevin
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Old 01-02-2020   #1141
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Quote:
Originally Posted by raid View Post
Which lens was used for the darker images?

Hi Raid, I will reveal the answer later.

Happy new year,
Kevin
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Old 01-02-2020   #1142
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Quote:
Originally Posted by Erik van Straten View Post
Great quality of the pictures, both with the original lens and the copy.


Erik.
Thank you, Erik. Glad you like them.

Kevin
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Old 01-02-2020   #1143
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Love both set of pictures, can’t wait to do the experiment on my own. Happy New Year guys.❤️
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Old 01-02-2020   #1144
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I'm not an analytical person when it comes to 'liking' a photograph or not.

So putting aside issues such as contrast, resolution, sharpness etc. : as a whole I consistently prefer the top images...in a subtle but substantial way! There seems to be more life to them.

.... because of my preference; I hope that the top images were made by the replica
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Old 01-02-2020   #1145
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The second image (the replica) of the first three series of photos seem "dis-centred", but hopefully this is because hand holding the camera, or camera shake. It seems that the continuous series of photos after that are very close to each other in IQ. Other than that, I think the second of each image is the Replica. The coatings are newer perhaps. Other than these things, my take is that the Replica renders practically the same as the original.
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Old 01-02-2020   #1146
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Quote:
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I first thought that maybe the sun rays have changed, but the top right part of each of these two images shows shadows.
I think the density variation is the sun light that has changed. Look at the diffraction on the shadows of the right stick plant thing. The stronger the sun light, the sharper shadow diffraction fall off. The dark and light aspect I think is of no consequence. The quality of both lenses is practically identical, but one of them is slightly, just SO slightly sharper. Just my take on it.
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Old 01-02-2020   #1147
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Quote:
Originally Posted by Erik van Straten View Post
Great quality of the pictures, both with the original lens and the copy.


Erik.
Yes! Can't wait to use it
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Old 01-02-2020   #1148
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The second image (the replica) of the first three series of photos seem "dis-centred", but hopefully this is because hand holding the camera, or camera shake. It seems that the continuous series of photos after that are very close to each other in IQ. Other than that, I think the second of each image is the Replica. The coatings are newer perhaps. Other than these things, my take is that the Replica renders practically the same as the original.
Yes, the lens owner was hand holding the camera to take these test photos, no tripod involved. He did try his best to keep every comparison shots in the same position and angle. But the focus might be slightly different in each shot. And while he was switching cameras, the lighting might also be changed somewhat.

Kevin
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Old 01-03-2020   #1149
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The differences between each pair of pictures are very small. All of them are far better than I can get with any of my three Summaron 35/3.5 lenses, which all suffer from haze and veiling flare. I anxiously await using the lens myself.

In detective mode, trying to determine which pictures were taken with which lens, I believe the first is the Summicron and the second in each set is the replica. In the first picture of the young lady, you can tell she is not impressed by having her picture taken with an old lens, but in the second she is smiling that the photographer is using a new lens. (Can you tell I am not a professional detective.) :-)
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Old 01-03-2020   #1150
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Thank you Kevin for supplying the f/ stops. And Happy New Year to you too!

In my tests with the prototype versus the original lens, I found the images so similar that only such extraneous variables as slight differences in focus via the rangefinder, or camera shake, could reliably be used to differentiate between them.

I have continued to use the prototype fairly extensively up to the present, and find the only downside is my user errors ó too slow a speed for here up north in the winter, or focus issues doing grab shots with my elderly eyes. The lens has performed admirably for me.
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Old 01-03-2020   #1151
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I would not have placed an order for the replica if I was not convinced of the identical optical qualities of the two lenses. I have a Summicron so I know what I will be getting in brass finish!
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Old 01-03-2020   #1152
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I would like to be on the next purchase list for a chrome version of the lens + lens hood
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Old 01-03-2020   #1153
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Now I think we are all impatient for paying it and getting it. Really, can’t wait �� great quality shown there !
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Old 01-03-2020   #1154
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I am currently in the market for a lens. This has been on my mind since I first saw this thread. I noticed we are waiting for a another production run, you certainly have my money when they are available.
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Old 01-04-2020   #1155
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i would say that first are the replicas and then the original Leica...but I'd like to test it by myself ;-)
when will you start to ship for confirmed people in UE ?
I will update that information very soon. I am still waiting for the next instruction. The maker is fulfilling the domestic order now.

Kevin
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Old 01-04-2020   #1156
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I look forward to the LTM version. Will I have to wait long?
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Old 01-04-2020   #1157
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I look forward to the LTM version. Will I have to wait long?
I think Kevin said the estimated release of the LTM will be about 3 months after the M mount.
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Old 01-05-2020   #1158
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original Leica 35/2 8-element VS. replica 35/2 8-element final retail version (Black Paint)

Original Leica 8-element was mounted on Leica m7, and the replica 8-element was mounted on Leica MP. Same shutter speed setting for every comparison shoots.

Film: Kodak TMAX400
Two films have been developed in the same batch to keep this a fair test.


@f/8

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr


original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr


@f/5.6

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr


@f/5.6

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr


@f/8

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr


@f/4

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr


@f/4

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr

original Leica 35/2 8-element VS. replica 35/2 8-element final retail version by Kevin-Xu, on Flickr

Sorry for the late update! Here is the answer.

The first picture was taken by the original Leica 35mm f2 8-element, the second picture was taken by the Replica 8-element 35mm f2.

Kevin
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Old 01-05-2020   #1159
KEVIN-XU 愛 forever
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I think Kevin said the estimated release of the LTM will be about 3 months after the M mount.

Thank you for helping me answer the question.

Kevin
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Old 01-05-2020   #1160
KEVIN-XU 愛 forever
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The differences between each pair of pictures are very small. All of them are far better than I can get with any of my three Summaron 35/3.5 lenses, which all suffer from haze and veiling flare. I anxiously await using the lens myself.

In detective mode, trying to determine which pictures were taken with which lens, I believe the first is the Summicron and the second in each set is the replica. In the first picture of the young lady, you can tell she is not impressed by having her picture taken with an old lens, but in the second she is smiling that the photographer is using a new lens. (Can you tell I am not a professional detective.) :-)
Haha! You got it! Your detective mode is very accurate.
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