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I used the same Zebra black sharpie and no white color as usual. I've coded a dozen lenses like that already but it's not the first time a CV lens is not recognized. Happened to me with my CV 15/4.5 v2 previously. The CV 21/4 is recognized with the Leica 21/2.8 asph coding though. Same for the CV 21/3.5 on the M240 but it doesn't need the same color shift correction as the CV 21/4 so i don't code it at all.

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On 2/28/2019 at 10:31 AM, lct said:

Curious to know which RF focuses closer then 0.7m. Leica ones cannot do that AFAIK but i may be wrong. Anyway i can confirm that my M240 will not focus closer than 0.7m with the CV 35/2.  

Apologies if I've missed something in the thread but I have been using the V Ultron 35 1.7 on M10.  Using the Visoflex or the rear screen allows you to focus down to 0.5,  through the RF it's not possible to focus less than .7 as you say.

 

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2 hours ago, Boojay said:

Apologies if I've missed something in the thread but I have been using the V Ultron 35 1.7 on M10.  Using the Visoflex or the rear screen allows you to focus down to 0.5,  through the RF it's not possible to focus less than .7 as you say.

I have no experience with either M10 or CV 35/1.7 sorry but the 0.58m MFD of the CV 35/2 is certainly a great advantage on mirrorless cameras. Must be the same in LV mode on digital Ms i guess but i did not try it so far.

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23 hours ago, lct said:

I used the same Zebra black sharpie and no white color as usual. I've coded a dozen lenses like that already but it's not the first time a CV lens is not recognized. Happened to me with my CV 15/4.5 v2 previously. The CV 21/4 is recognized with the Leica 21/2.8 asph coding though. Same for the CV 21/3.5 on the M240 but it doesn't need the same color shift correction as the CV 21/4 so i don't code it at all.

Lct:

Would it be a good assumption that the flange groves don’t align with EACH m240 reading sensor? That may account for why some codes work but others don’t. 

Rich

Edited by rsolomon
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52 minutes ago, rsolomon said:

Would it be a good assumption that the flange groves don’t align with EACH m240 reading sensor? That may account for why some codes work but others don’t. 

Fact is some codes are recognized and others not on the same lens hence the same flange so i doubt the latter's grove is the culprit but i have no idea sorry. 

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  • 1 month later...

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I think the slight magenta/cyan edge is inevitable. With the camera profiles (Elmarit 21/2.8 asph/nonasph) I get cyan on the edge. Haven't tried without a profile but we had some cases already in the thread, showing slight magenta. So no profile is 100% perfect!

Samples with the lens profiles activated here

https://cameraderie.org/threads/cosina-voigtländer-21-3-5-color-skopar.49123/

Edited by mike3996
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  • 2 weeks later...

Just received the 35mm Ultron f2 today. I have never seen that much grease in the back of a lens around the helicoid (none on the rear element ofcourse). I'm concerned that some of that grease will drip into the inner camera mount or worse the shutter curtain and sensor. What do you guys think?

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13 hours ago, Maxx71 said:

Just received the 35mm Ultron f2 today. I have never seen that much grease in the back of a lens around the helicoid (none on the rear element ofcourse). I'm concerned that some of that grease will drip into the inner camera mount or worse the shutter curtain and sensor. What do you guys think?

I think I mentioned this earlier, but My Voigtlander Nokton f/1.4 threw off some grease years ago and splattered my M8 while I was on holiday. I did manage to get it cleaned at a camera store but this was still disconcerting. Since then, the Nokton has been fine and is my second most used lens on my M9M. 

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Attached are photos of that yellow grease. No wonder it’s buttery smooth. They probably used margarine. Looks like I’ll be returning the lens.

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Hard to see on this small pic but if the lens is butter smooth as you say i would think twice before returning it since some copies of it are not that smooth including mine. I would simply remove the excess of grease with a clean cloth or handkerchief if i were in your shoes but YMMV.

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30 minutes ago, lct said:

Hard to see on this small pic but if the lens is butter smooth as you say i would think twice before returning it since some copies of it are not that smooth including mine. I would simply remove the excess of grease with a clean cloth or handkerchief if i were in your shoes but YMMV.

Hopefully this is a better photo.

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The 35 Nokton 1.4 I purchased some years ago had a similar excess of grease that became apparent after focus cycling. As suggested, I simply wiped off the excess, and the lens has been fine after that, and still perfectly smooth.

The Nokton ver II i got last month does not look over lubed.

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11 minutes ago, TomB_tx said:

The 35 Nokton 1.4 I purchased some years ago had a similar excess of grease that became apparent after focus cycling. As suggested, I simply wiped off the excess, and the lens has been fine after that, and still perfectly smooth.

The Nokton ver II i got last month does not look over lubed.

Ok I very carefully wiped off excess grease as much as I can. It was kinda tricky trying to avoid any contact with the rear element. Thanks for sharing your greasy experience! So far everything else is good with this lens. Sharpness is just right for me for portraits. Colors are vibrant and a tad less contrasty than my 35 Cron. I think it looks great on my silver M10. 

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7 hours ago, Maxx71 said:

Ok I very carefully wiped off excess grease as much as I can. It was kinda tricky trying to avoid any contact with the rear element. Thanks for sharing your greasy experience! So far everything else is good with this lens. Sharpness is just right for me for portraits. Colors are vibrant and a tad less contrasty than my 35 Cron. I think it looks great on my silver M10. 

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Silver cameras are so sharp!

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  • 9 months later...

Glad I found this post. I was looking for information about the 21CV f/3.5. Awesome. Just a quick question for all the 21mm M owners.

Do you use or not the external viewfinder? Is it mandatory? Let's say I just use the VF (never the LV) , but because I have big hands, I can't live without the Thumbs UP grip. What can I do? 😩

I guess on the M10, shooting with a 24, you probably don't need an external VF. The frame-lines for the 28mm are close to the edge of the VF, so I just imagine that your frame is ALL the viewfinder without frame lines. Does it make sense?

But what about the 21? Can we guess how the picture will look like without the external VF? 🤔

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2 hours ago, Dennis said:

But what about the 21? Can we guess how the picture will look like without the external VF?

Better photogs than i am will tell you that they can guestimate the 21mm FoV but i've never been able to do so. For people like me the only solutions are EVF, OVF or using the rear screen.

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