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Zeiss Biogon 35mm on the M9


DFV

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Which non-Leica lenses have you been trying, and found unacceptable?

 

I have been able to solve the coding problems for the 18mm Zeiss Distagon and the 25mm Zeiss Biogon, and these are excellent lenses -- the Biogon especially.

 

The old man from the Age of the Box Camera

 

Hi Lars,

 

Can you post shots with the Distagon 18 corrected? I returned the one I borrowed because of the vignetting and chromatic aberrations. I tested it with the three WATE setting but it did not correct that problem.

 

I did not buy it because I simply do not want to keep using software (other than LR) to correct that problem. The center of the shots looked fine.

 

By the way, do you have a setting for the new CV 15?

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Yes, I had the same sense about them - especially the second one. What was your point of focus?

 

From jaques description it might be a pos-procesing problem. Jaques, what are you exactly doing when you post the pictures here?

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This is a processing or rather an uploading issue- the actual image is very sharp and focus is correct: but I have no idea how to post it here correctly. All the photos I post here look soft- I don't know why.

 

I am processing in lightroom and exporting as JPEG at 100% quality. The resulting image looks sharp on my monitor- or when I upload it to flickr- but when I upload it here it always looks soft...

 

what am I doing wrong? Please help as all my images posted here are embarrassing as is...

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manually coded as 35/2 asph, this is the 35 C-Biogon wide open on the M9... less red-edge issues than the summicron.

 

Xander35.jpg

 

No post processing aside from a slight bump to exposure and contrast.

 

Here is an 18mm Distagon shot, I correct these (shots with the Distagon) in a matter of seconds using cornerfix profiles I made.

 

Tarrask.jpg

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love that second shot Daniel- great colours. The zeiss glass seems to me to give particularly rich colour.

 

Nice, but are you sure the focusing is right? Like your other shot it looks a bit out of focus to me. The Biogon should be much sharper. Are you retouching the picture before uploading it here?

 

From jaques description it might be a pos-procesing problem. Jaques, what are you exactly doing when you post the pictures here?

 

here is a little crop so you can see the original is sharp- this is just a screen shot of the enlarged JPEG- so it is soft as well... the original is crisp on my monitor.

 

the image of the factory wall was tweaked and messed with but the shot of the industrial lake was pretty much left as is- tust a little tweaking. The focus is sharp on them both- the problem is with my exporting or uploading here...

 

the way I am posting these images is just using the manage attachments button and selecting the JPEG file I have exported from lightroom. Are these images being compressed or changed when I upload to the forum?

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Hi Lars,

 

Can you post shots with the Distagon 18 corrected? I returned the one I borrowed because of the vignetting and chromatic aberrations. I tested it with the three WATE setting but it did not correct that problem.

[... ]

By the way, do you have a setting for the new CV 15?

 

The CV 15 seems to be a hopeless case. Below is a Distagon shot. It.s not perfect, but good enough for an 'occasional' lens.

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love that second shot Daniel- great colours. The zeiss glass seems to me to give particularly rich colour.

 

 

 

 

 

here is a little crop so you can see the original is sharp- this is just a screen shot of the enlarged JPEG- so it is soft as well... the original is crisp on my monitor.

 

the image of the factory wall was tweaked and messed with but the shot of the industrial lake was pretty much left as is- tust a little tweaking. The focus is sharp on them both- the problem is with my exporting or uploading here...

 

the way I am posting these images is just using the manage attachments button and selecting the JPEG file I have exported from lightroom. Are these images being compressed or changed when I upload to the forum?

 

The pics to be upload shouldn`t be bigger than 300 mb if they are they where

copmressed down till 59 mb.

Next use sRGB colorspace and try out to oversharpen a bit, controll with

preview.

 

 

MB

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The pics to be upload shouldn`t be bigger than 300 mb if they are they where

copmressed down till 59 mb.

OK... I see now- in order to increase the quality - first I must decrease it. The original JPEG was 360KB but appears here as 63kb... I opened the original in photoshop- applied some sharpening- dropped the quality to bring it under 300kb- and this is the result:

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OK... I see now- in order to increase the quality - first I must decrease it. The original JPEG was 360KB but appears here as 63kb... I opened the original in photoshop- applied some sharpening- dropped the quality to bring it under 300kb- and this is the result:

 

WOW! Now you are talking...

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i'll try another- lets see:

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The CV 15 seems to be a hopeless case. Below is a Distagon shot. It.s not perfect, but good enough for an 'occasional' lens.

 

Thanks! It looks much better than with the WATE setting though. To bad about the CV 15, it was a great "little" companion on my M8.2.

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manually coded as 35/2 asph, this is the 35 C-Biogon wide open on the M9... less red-edge issues than the summicron.

 

No post processing aside from a slight bump to exposure and contrast.

 

Here is an 18mm Distagon shot, I correct these (shots with the Distagon) in a matter of seconds using cornerfix profiles I made.

 

Nice! I must admit I am not particularly fond of retouching my pictures (probably a remnant of how I used to treat my shoots back in the age of analogue... printing to the edge of the negative, etc...). The most I do is "develop" them in LR from DNG to JPEG in order to keep in my iPhoto library or share. Very rarely do y apply any effects other than B&W. Being reluctant to crop you can imagine that I really am not too keep on making them go through any other processing. Although I must admit you bottom shot looks convincing enough.

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Thanks! It looks much better than with the WATE setting though. To bad about the CV 15, it was a great "little" companion on my M8.2.

 

The WATE coding did work well on the M8, but gave rise to bad rededge on the M9. So I changed it to 21mm pre-aspheric.

 

Below is a Distagon picture taken wide open. This is to show what you can expect with all the stuff a lens with a horizontal angle of 92 degrees takes in.

 

The wide-eyed old man

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If you go to diglloyd.com: Contents - you will have to subscribe to the full reviews, you will find a very detailed and well-considered comparison between the 35mm Biogon and the 35mm cron.

 

His conclusions come out in favour of the Zeiss for most work.

 

I subscribed also, but I have to disagree with his conclusions. My 35 Cron ASPH demonstrated none of the negatives Lloyd got with his version. I don't know if he tried more than one lens, but as demonstrated by the OP in his other post concerning his, I believe it was a 50 Summilux (?), Leica quality control seems to have suffered from the high demand for their lenses.

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If you guys enjoy the 35mm Biogon, you might wanna try out the 21mm Biogon. It's performance is a beauty and Erwin Put agrees with this assessment.

 

4610238918_ca01905713_b.jpg

M9; Zeiss 21mm/2.8 Biogon ZM

This website seems to compress my images ... try this link to see the a high res version ..

 

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I would like to ask DFV what about the vignetting of the 35/2? Is it taken care of by choosing an appropriate menu item or is it still visible?

 

I have the 35/2.8 C-Biogon myself and use it on the M9 and I am very satisfied with its performance, with two minor caveats: vignetting is strong (even when coded as an 35/2 pre-asph) and ...I miss an extra stop sometimes.

 

Other than that it is simply stellar. The resolution, especially is fantastic. It is equal to the Summilux 50 ASPH that I also have at all apertures. I have bought a Konica 35/2 UC-Hexanon thinking that is would allow me the extra stop (and it would be near identical to the 35/2 pre-asph), but the C-Biogon destroys it resolution-wise (center and corners included).

 

Cheers, Horea

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I have the 35/2.8 C-Biogon myself and use it on the M9 and I am very satisfied with its performance, with two minor caveats: vignetting is strong (even when coded as an 35/2 pre-asph) and ...I miss an extra stop sometimes.

 

Try coding it as the 35/2 asph. I don't see any noticeable vignetting.

 

10881177-lg.jpg

 

No vignetting correction done in post. Shot wide open.

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Thanks for your reply. I tried that, but is still visible especially in interior shots wide open at 1 m or less.

 

First shot C-Biogon ISO 800, 2.8, 1/30 sec, Leica M9

 

Second shot UC-Hexanon ISO 800, 2.8, 1/30 sec, Leica M9

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