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Just got my CV 15...


atufte

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What a nice little lens, sharp as a nail at f5.6, i'm very impressed (for that price, amazing...)

 

Here´s my first testshot...

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It is. And an interesting thing is that there other CV lenses that are as capable as the 15/4.5 (or more capable) on the M8 and they're often overlooked. The CV 25/4 I'm reviewing now is a great example.

 

Cheers,

 

Sean

 

Hmm.... I read the 75 was a bit of a dog but the 90 is good..... is this your experience too?

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Hmm.... I read the 75 was a bit of a dog but the 90 is good..... is this your experience too?

 

Hi Dave,

 

I have it here for testing but haven't tested it yet. I'm finishing up with the 24/25s and working on the 21s. I doubt it's a bad lens but I'll know for sure when I get to the 75 tests. Often times there are general descriptions made of lenses such as "good", "bad", "as good as X", "better than Y" etc. that, in my mind are too vague and general to tell me much. That's not a response to your comment, per se, but a general response to much of the lens discussion I read. The more I test lenses, the more strongly I note how much myth and misinformation circulates about various brands, various lenses, etc.

 

Again, the CV 15 is very popular right now but its the tip of the iceberg when it comes to excellent CV lenses. I'm seeing some exceptional lenses from all three companies (Leica, Zeiss and CV). The M8 is turning out to be a very good test platform for RF lenses.

 

Cheers,

 

Sean

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both the cosina 12mm and 15mm come with a viewfinder, the 12mm is particularly well made although a bit slow for indoor shots. the recent homemade test by erwin puts seems to suggest that the 12mm is as good as the zeiss 15/2.8 as far as resolution goes.

 

the 12mm will become a 15.96mm on M8, that is the widest you can get on M8.

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I've got one on order. Do you mark the 6 bit code on these, or just go without it?

 

Also, there was talk of these needing a center filter to shoot in the daytime - do you find it needed? Of course, I'm not sure how it would go on....

 

Geoff

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Agree about the CV 25mm ... at least as a film lens - have yet to acquire an M8. Incidentally, mine became a bit loose so I had my repairman attend to it. As a Leica specialist since the late 1960s he thought the actual build quality was somewhat flimsy, but that's no more than you'd expect given its price. Anyway it's now nice and tight again.

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Agree about the CV 25mm ... at least as a film lens - have yet to acquire an M8. Incidentally, mine became a bit loose so I had my repairman attend to it. As a Leica specialist since the late 1960s he thought the actual build quality was somewhat flimsy, but that's no more than you'd expect given its price. Anyway it's now nice and tight again.

 

The Skopars, for example, are obviously not as well-built as a Leica lens but they're much better made than many current SLR lenses. The more expensive Ultrons, Noktons, etc. seem to be very well made. I've never had a CV lens fail because of build quality and my 28 Ultron and 50 Nokton see fairly heavy professional use.

 

Cheers,

 

Sean

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I have never owned a CV lens before so pardon me if I sound naive. Do most of them need to be screwed onto a M-adapter for baynet mounting onto the M8? Or am I reading it incorrectly? Your sample image does look very tempting.

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What a nice little lens, sharp as a nail at f5.6, i'm very impressed (for that price, amazing...)

 

Here´s my first testshot...

 

Was this on tripod or handheld? RAW? What ISO was this shot at?

 

Thanks!

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I have never owned a CV lens before so pardon me if I sound naive. Do most of them need to be screwed onto a M-adapter for baynet mounting onto the M8? Or am I reading it incorrectly? Your sample image does look very tempting.

 

The reference for all this is CameraQuest Home ,home of Stephen Gandy, the distributer in the US for Voigtlander (and a resource for much more information about 35mm rangefinder equipment). He lists three "pancake" CV lenses which come in an M-mount, because they are too wide at the throat to fit into the Leica thread mount. All the rest, including the wide angles discussed in this thread, use an adapter to fit into the M mount and to select the right set of frame lines (28/90 for the ultra wide angles).

 

scott

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Nice shot! I find a spirit level to be a very useful accessory with this lens.

 

I know it's only a test shot, but sloping horizons and converging verticals are part of the territory with a lens like this.

 

One reason to use the new Leica monster viewfinder with a built in spirit level. With the CV 15 on an M8, you can set it to 21mm, though whether it makes sense to spend more on a finder than the lens itself is another question entirely.

 

I like the CV15, but at least on my example, the focussing action is too stiff; just as well you don't often need to use it.

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Of the four CVs I have, 15, 21, 25 and 75 the 15 and 25 are my favourites. I'm amazed at how little distortion there is on the 15. Here is a boring brick wall shot. My apologies for posting a film shot (HP5+) in the digi forum. This is almost the full frame, I've cropped a bit just to straighten the image. It was shot from betwen 1.5 and 2 meters away at f5.6. There is vignetting, but that is easily fixed in PS, something I didn't do here. Btw. the spot in the center is a spot on the wall.

 

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Scale focusing with the 15 and 25 isn't a problem at all. I'll also recommend Steven Gandy as a supplier for these. He ships internationally and gives good service, just be prepared for very short answers to your emails.

 

- Carl

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