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Old 03-24-2018   #41
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Quote:
Originally Posted by kram View Post
Seem f1.2 IS half a stop faster than f1.4. However, it can also be 1/3 of a stop. Lets hope the VC is half a stop , rather than one third. With 2 aspherical lens surfaces, and 8 elements, this is be a cutting edge lens.
One-third stop faster than 1.4 is 1.275. One-half stop faster than 1.4 is 1.89. For some reason, the convention is than both are rounded to 1.2. I would have expected one-third stop faster than 1.4 would be rounded to 1.3. No idea what f-stop the VC is to a couple of decimal places. T-number is anybody's guess.
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Old 03-26-2018   #42
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Looking at the small distance between the f1.4 and f1.2. I feel this maybe the 1.275 rather than the 1.89, darn.
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Old 03-28-2018   #43
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The new 50/1.2 is very compact, noticeably smaller than the 1.1, with great handling and ergonomics.

The new lens is predicted to have much better performance by modern standards, much like the 40/1.2,
yet some will prefer the more vintage look of the 1.1.
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Old 03-28-2018   #44
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the new lens is finely finished,
with classically beautiful black and silver chrome
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Old 03-29-2018   #45
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Wow, looks really great on an M Body!
Can't wait to grab one ...
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Old 04-02-2018   #46
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Any idea when it will be available?
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Old 04-02-2018   #47
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Perhaps my next M lens.
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Old 04-03-2018   #48
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Quote:
Originally Posted by Daryl J. View Post
Perhaps my next M lens.
Mine too!
Was thinking about the 40mm version, but my camera doesn't have the framelines.

Hope the 50mm will be available before x-mas

For me, Cosina do announcements to early - it's always disapointing ...
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Old 04-03-2018   #49
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The new M 50/1.2 will be available later this year,
date and price undetermined.
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Old 04-04-2018   #50
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Quote:
Originally Posted by CameraQuest View Post
The new M 50/1.2 will be available later this year,
date and price undetermined.
Thanks!
Sounds like the same procedure as with every new lens at Cosina.
I can't understand why they don't announce new lenses (which are actually really great) only 3-4 weeks before availability.
After one year or so, many potential buyers are gone ...
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Old 04-04-2018   #51
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But in this way we have more time to allocate the required budget

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Old 04-22-2018   #52
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Quote:
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But in this way we have more time to allocate the required budget

robert
Still allocated the budget for a Nokton 1.2/40mm.
Since the announcement of the 1.2/50mm lens I changed my plans ...
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Old 04-22-2018   #53
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How would you compare the optical performance of the CV 50/1.1 @ 2.0 and the CV 50/1.2 @ 2? Same?
With so many (excellent) lenses coming out for the M, which lens to pick here?
40/1.4 or 40/1.2 or 50/1.1 or 50/1. 2 or ... ?
The focal lengths are very similar. The company making the lenses is the same.
Is it the minimum focus distance that makes the difference?
Is it the coatings?
Of course, GAS is a major factor for many who buy yet another lens with a very similar focal length.
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Old 04-22-2018   #54
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Raid, you are right, but the difference between the 50mm f/1.1 and the 50mm f/1.2 is quite big. The f/1.2 is aspheric, the f/1.1 is not. The f/1.1 cuts a large part from the view in the viewfinder. The f/1.2 looks a lot thinner (but I have to see the lens on a body in reality).

If the f/1.2 is free from distortion, I think I will buy it. As I am a analogue photographer, I cannot use Photoshop to eliminate the distortion.

The f/1.1 has no distortion whatsoever. The aspheric VM Nokton 50mm f/1.5 does have some.

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Old 04-22-2018   #55
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Raid, you are right, but the difference between the 50mm f/1.1 and the 50mm f/1.2 is quite big. The f/1.2 is aspheric, the f/1.1 is not. The f/1.1 cuts a large part from the view in the viewfinder. The f/1.2 looks a lot thinner (but I have to see the lens on a body in reality).

If the f/1.2 is free from distortion, I think I will buy it. As I am a analogue photographer, I cannot use Photoshop to eliminate the distortion.

The f/1.1 has no distortion whatsoever. The aspheric VM Nokton 50mm f/1.5 does have some.

Erik.
I think that if you have only few "duplicates", then getting the new modern 50/1.2 could be very useful.

Erik: If the 50/1.1 is free of distortion and if you must get a 50mm lens that is free of distortion and you are unsure whether the 50/1.2 is actually free of distortion, wouldn't the older lens be the one for you?
What does the ASPH add to your images? They look fine to me. People love them.
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Old 04-22-2018   #56
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Quote:
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If the 50/1.1 is free of distortion and if you must get a 50mm lens that is free of distortion and you are unsure whether the 50/1.2 is actually free of distortion, wouldn't the latter be the one for you?
The f/1.1 cuts off a large part of the 50mm viewing field in the viewfinder of all my M's. I guess this is less so with the f/1.2.

This was also the reason why the first aspherical 50mm from Leitz was also only f/1.2. And that is my dream lens.

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Old 04-22-2018   #57
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This dream lens costs much more than the new CV lens.
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Old 04-22-2018   #58
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This dream lens costs much more than the new CV lens.
I've seen prices of EUR 30.000,00 !

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f/1.2 is 1/2 stop faster than f/1.4
Old 04-22-2018   #59
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f/1.2 is 1/2 stop faster than f/1.4

Mathematically,
you have f/1
then 1/3 stop down is 1.12246 (round to 1.1)
1/2 stop down from f/1 is 1.19 (which you can round to 1.2)
2/3 stop down from f/1 is 1.25992 (1.26)
1 stop down from f/1 is f/1.414 (sqrt 2), which is rounded to f/1.4.

1/3 stop down from f/1.4 is f/1.5874 (f/1.6)
1/2 stop down from f/1.4 is f/1.7
2/3 stop down from f/1.4 is f/1.7818 (f/1.8)
1 stop down from f/1.4 is f/2

Note that while the f/stop is calculated on the aperture opening, the actual transmission of light is going to be less. That's why the cinematography lenses use T stops, for the actual measured light transmission. The old spherical Canon lenses such as the f/1.2 were probably T/1.4 lenses in actual light transmission (I'm guessing here, as I don't own any Canon 50 1.2 lenses).
The old f/1.4 lenses were probably 1.7 or 1.8 when transmission is taken into account, and so on.
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Old 04-23-2018   #60
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Canon f1.2 also has small distance between f1.2 and f1.4 marks on aperture ring.
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Old 06-02-2018   #61
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Here's a video showing the image quality from inside the lens (around the 2 minute mark): https://www.youtube.com/watch?v=FQf-ty1s7Xs

It would be great if they made a 35mm lens based on this design. Most people like the CV 35mm 1.2 except for the size and weight. I think a smaller but fast 35mm would be a big winner for them.

Here's a size comparison between the 40mm 1.2 and Zeiss 35mm 1.4 (same size as the CV 1.2): https://www.flickr.com/photos/143385...35mm-distagon/

I'm using their newer 35mm Ultron 1.7 and it's a great lens but has a couple downsides:

- It's not 1.4 (1.2 would be great). In fact, the Ultron often feels more like an F2 lens. At F1.7 only the center of the image becomes a little brighter.

- The ergonomics are average. A wider focus ring on a thicker lens barrel would make focusing faster.
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Old 06-03-2018   #62
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I like most of the CV lenses, but not their shades. The shade in the bayonet on the front of the 50mm f/1.2 ... huge!

Recently I replaced the vented shade of the f/1.1 by a cylinder that fits into the filter ring (58mm). It simply works great: a much better shading of the front element. No vignetting. The lens cap that came with the cylinder fits beautifully. The price of this cylinder (perfectly finished) and its lens cap was only EUR 8 if I remember well.

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Old 06-16-2018   #63
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Amy news about a realease date?
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Old 06-16-2018   #64
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I really wish they made the new 35/1.7 in a "normal" barrel like this one.
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Old 06-16-2018   #65
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Until proven otherwise, I don't really buy the "much improved optical results" thing.
With every new lens we are told the same and when there are differences they are usually small.
The size, ergonomics, minimum focus distance, build quality are an entirely different matter.
The 1.1 is really good. It's a pig, but it's for really special occasions in which I'm ok to haul a really big lens to be able to shoot 400 ISO in dark places. I'm not sure that having a somehow transitional option (a tiny bit smaller, a tiny bit slower) makes sense for me and my limited uses of such a lens.
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Old 06-16-2018   #66
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Don't leave out the option to get a 7artisans 50mm lens ... for cheap.
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Old 06-16-2018   #67
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This actually looks quite good...

Is the Nokton 40mm 1.2 - if that's the applicable comparison- good at all apertures as a general lens too?

i.e. could this new one be your only 50mm?
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Old 07-19-2018   #68
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Now visible on the official Cosina page:
http://www.cosina.co.jp/seihin/voigt...1_2/index.html

It seems that there are two different lens hoods LH8/LH10
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Old 07-19-2018   #69
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Samples on the site too!

http://www.cosina.co.jp/gallery/oomu...1_2/index.html
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Old 07-30-2018   #70
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regarding a shade for both the 50/1.2 and the 40/1.2, I am wondering if the square hood of the Fuji XF 35/1.4 could be made to fit onto the lens. Yes, I know it's a different bayonet, but it also being a 52mm filter sized lens there might be some DIY solution. I'm not a fan of these circular vented hoods, I honestly haven't seen a considerable improvement in flare blockage from my tests with the one for the 35/1.4 Nokton and also on the X100F. If only the guy from Analogue Robot at Shapeways would adapt the compact v2 square hood for the 1.4 Nokton Classics - I use one of those on my 40/1.4 and it is just wonderful.
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Old 07-30-2018   #71
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Quote:
Originally Posted by TennesseJones View Post
This actually looks quite good...

Is the Nokton 40mm 1.2 - if that's the applicable comparison- good at all apertures as a general lens too?

i.e. could this new one be your only 50mm?
I hope so, if flare control and vignetting are well controlled by f2 it should be a fantastic all rounder. I've tried the Planar at a shop and liked it a lot, that thing is razor sharp and barely any vignetting wide open. But I'll wait until the 50/1.2 is released to give it a try and get some feedback before doing anything (maybe not).

Bonus: on the M240 it has the advantage of close focusing down to 50cm using live view, which for a general purpose lens is pretty sweet (even it breaking the 'natural' way of using a rangefinder camera). I've always liked getting a bit closer with a 50.
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Old 07-30-2018   #72
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Ummm, this is making things difficult in a first world problem way. 50mm or 40mm? 40 is available now and has a nice inbetween focal length. Not too wide like 35, not too close like 50 can sometimes be. I had a day with a Minolta 40mm Rokkor-M a few months ago and I really liked the 40mm focal length. I shoot with 50 much more, but obviously that's because I don't own a 40mm and yet have three 50's.

The 40mm is probably a more versatile lens, but the 50 will probably hit that 'C Sonnar' type of enjoyment, too. Decisions, decisions.

Is it just me, or is the bokeh a bit jittery here?

http://www.cosina.co.jp/gallery/oomura-50-1_2/04.html
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Old 07-30-2018   #73
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that spacing between 1.4 and 1.2...
Is very close
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Old 07-30-2018   #74
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Why oh Why they spoil the look of this fine lens with that horrible red feet marking?
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Old 07-31-2018   #75
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Quote:
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Ummm, this is making things difficult in a first world problem way. 50mm or 40mm? ...
My first thoughts too!
Tried some days with my Nokton 1.4/40 from my CLE and decided to go for the new 50mm Nokton.
I'm missing the 40mm framelines in my Leica and beside this, 35mm is my overall preferred focal length.
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Old 07-31-2018   #76
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Why oh Why they spoil the look of this fine lens with that horrible red feet marking?
I like it and there is a red dot too ...
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Old 08-01-2018   #77
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On the sample pics I can not see if there is any distortion. If there is, I will not buy the lens.
I don't like chromed bayonet fittings for shades on the front of lenses. Could be a deal breaker for me. So maybe I just keep the f/1.1, a great sharp lens of classic construction like the Xenon and the first Summilux.

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Old 08-01-2018   #78
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Brian encouraged me then to buy the CV 50/1.1, which I eventually did. I will keep it for sure.
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Old 08-01-2018   #79
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One reason (a small one - among many) I miss Tom A. - he would be posting samples - "I've been shooting this lens for a few weeks and I can finally talk about it..." ect.
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Old 08-26-2018   #80
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Quote:
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The new M 50/1.2 will be available later this year,
date and price undetermined.

Another half year gone and no delivery time visible.
Strange
Any idea, why CV announces lenses they can't deliver in a customer friendly timeframe?
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