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Zeiss 25mm biogon question


jonoslack

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Jono - With no offence intended to JM, but you can get the lens flange milled in the UK by Malcolm Taylor in Herefordshire. He's 'old school', has a telephone, but no web-site, and doesn't charge VAT. I'm fairly sure Chris Tribble uses him. Hope this helps.

 

.............. Chris

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Jono,

 

I just purchased a 25mm biogon from Tony Rose at Popflash, and as I understand, Tony orders the lenses from Zeiss with a flange that brings up the the 24mm frame lines. It is not necessary to do anything else, unless you want to code the lens. Mine brings up the 24mm frame lines. The price is going up in January.

 

David Monen

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I bought a 25/2,8 Biogon with the mount already changed from Popflash photo, (See: Zeiss Biogon 25mm f2.8 T* Silver ZM USA NEW! MODIFIED FOR M8 RANGEFINDER FRAME LINES!) which I then hand coded using a Dremel tool to mill in the three black marks in the coding scheme. It works like a charm. I'm not sure if it would be less expensive for you than buying the lens locally and getting an additional mount from Zeiss. (I tried to buy the mount for my 21/2,8 directly from Zeiss but they wouldn't provide just the part) So, I sent the lens to Popflash and they modified it (or had it done) for slightly less than the price Zeiss quoted.

No relation to Tony Rose, the proprietor of Popflash, simply a happy customer.

Regards,

Bob

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Hi Jono. Depending on the version of the Zeiss 25/2.8, a new mount may not be an option. I had one of the earlier 25/2.8 ZM's, which brought up the 28mm framelines and was told by Richard Schleuning of Zeiss USA that the position of the screws for the bayonet is different on the new one and would not work with the earlier 25/2.8. Something to keep in mind. -Norm

 

HI there

I'm teetering on the brink of buying one of these lenses, and I realise that I'll need to get a new mount from Zeiss to get the framelines, then send it to John Milich to get the coding.

 

However, my question is this:

If I buy the lens with the normal mount and hand code it with a sharpie, will it recognise it as a 24mm elmarit even though it doesn't bring up the correct framelines?

 

The point being that if it DOES work hand coded, I can get the lens straightaway and then fiddle about with mounts etc. whilst using it hand coded. If not, then there isn't much point in getting the lens until I have a coded mount to put on it.

 

any help gratefully received

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Hi Jono. Depending on the version of the Zeiss 25/2.8, a new mount may not be an option. I had one of the earlier 25/2.8 ZM's, which brought up the 28mm framelines and was told by Richard Schleuning of Zeiss USA that the position of the screws for the bayonet is different on the new one and would not work with the earlier 25/2.8. Something to keep in mind. -Norm

 

Jono's post was from 2007. I think he's figured things out by now. ;)

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Doh! It didn't even occur to me to look at the date.

 

So, LJ, how did you like the snow we got this weekend?! I'm on the other side of Dulles. I've decided to hold off on my next Leica lens and get a snow blower instead, much cheaper to boot :D. Cheers. -Norm

 

Jono's post was from 2007. I think he's figured things out by now. ;)
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HI there

I'm teetering on the brink of buying one of these lenses, and I realise that I'll need to get a new mount from Zeiss to get the framelines, then send it to John Milich to get the coding.

 

However, my question is this:

If I buy the lens with the normal mount and hand code it with a sharpie, will it recognise it as a 24mm elmarit even though it doesn't bring up the correct framelines?

 

The point being that if it DOES work hand coded, I can get the lens straightaway and then fiddle about with mounts etc. whilst using it hand coded. If not, then there isn't much point in getting the lens until I have a coded mount to put on it.

 

any help gratefully received

 

My point is that you don't really need the 6-bit coding and you do not even need to file the flange or whatever else surgery. As you install the lens you'll just want to turn it a bit past or before the lock clicks in, until you see the 24 framelines.

Annoying, but simpler and cheaper than anything else.

Just my 2c.

 

Cheers,

Bruno

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Flanges, codes, mount changes aren't really necessary...unless you are a working pro and need the correct frame for critical work. I have the Zeiss ZM wideangles, including the 25. I use the viewfinder to focus (not necessary either...zone focusing will do) and take the shot...check the LCD monitor...take in too much, move in a couple of steps...don't cover enough, move back a couple of steps.

The 25 is a very sharp lens with the typical Zeiss rendition of color and contrast...so are the 21, 35, and 50 Zeiss ZMs.

Don't let the "cron, lux, milled mount" crowd sway you. Like all the M cameras, the M8 is really very simple to use and handle...and encourages you to exercise a little creativity without the aforementioned adaptations.

If you really like cyan corners, you are right.;)
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I had the silver one and used it on the M8 with no coding and the original mount and was really happy with the results, even the 28mm framlines weren't a great problem. I then saw a used one at classic cameras that already had the milich adaptor and 6 bit coding so I exchanged for my standard one. they are no selling it for £699 and it is only a couple of months old

Carl Zeiss 25mm f2.8 Biogon ZM Silver boxed as new

Haha, this is the one I bought yesterday. :)

 

Guess I should thank you viramati! :)

 

Bought it with a B&W UVIR filter - I think the filters are pretty crucial, I seem to get very inferior results on my M8.2 if I'm not using them, not just in terms of colour rendition but even in terms of resolution. Not sure how that works but that's what I'm seeing.

 

As for coding, framelines etc... really not a big issue for me. The 25 Biogon field of view is what I can see through my viewfinder and a little bit more so why bother with framelines?

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