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testing my lenses - part 91 - Jupiter 9 85/2 m39
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PostPosted: Sun Apr 22, 2012 9:14 pm    Post subject: testing my lenses - part 91 - Jupiter 9 85/2 m39 Reply with quote
it's not rangefinder version














PostPosted: Sun Apr 22, 2012 9:31 pm    Post subject: Reply with quote
So damn sharp! That second picture is razor sharp!


PostPosted: Mon Apr 23, 2012 5:54 am    Post subject: Reply with quote
Lovely results i have the same m39 slr in chrome one of my top lenses


PostPosted: Mon Aug 20, 2012 5:17 pm    Post subject: Reply with quote
I have a yellow tint to my J-9. Yours looks as if it may too have a yellow bias, yes?


PostPosted: Tue Aug 21, 2012 12:45 am    Post subject: Reply with quote
Very sharp. I have a silver m39 SLR too, mine is very soft wide open, sharpens up by 2.8, and is very sharp by f4. Might I know what aperture your shots were taken with (if you remember, I often forget with MF lenses)?


PostPosted: Tue Aug 21, 2012 2:22 am    Post subject: Reply with quote
Sirrith wrote:
...mine is very soft wide open, sharpens up by 2.8...


Any yellow?


PostPosted: Tue Aug 21, 2012 2:47 am    Post subject: Reply with quote
Mine doesn't have a yellow tint - 1963 made by LZOS for Contax/Kiev. Slightly soft at f2, and a little glow, but at 2.8 it's sharp, I mostly shoot mine at f4-f8.


PostPosted: Tue Aug 21, 2012 12:28 pm    Post subject: Reply with quote
woodrim wrote:
Sirrith wrote:
...mine is very soft wide open, sharpens up by 2.8...


Any yellow?

Very slight if at all, though I haven't had the chance to use it very much and haven't really paid attention to that. Its from 1965.


PostPosted: Tue Aug 21, 2012 1:47 pm    Post subject: Reply with quote
woodrim wrote:
I have a yellow tint to my J-9. Yours looks as if it may too have a yellow bias, yes?


I've got 2 J-9, one RF m39 1955 and one in M42 - both have a yellow tint.


PostPosted: Tue Aug 21, 2012 7:11 pm    Post subject: Reply with quote
Did they ever use radioactive glass?


PostPosted: Tue Aug 21, 2012 7:14 pm    Post subject: Reply with quote
Yes, in the I-61L/D (Lanthanum) but not in these early Sonnars I think.


PostPosted: Tue Aug 21, 2012 7:43 pm    Post subject: Reply with quote
Despite having a blue coating, my 1961 RF model (PT7540) has a destinct yellowing, so seems most logical that it has the radioactive glass as there is no other answer I can think of. You might think the blue coating would counter the yellowing, but apparently not. I do not have a big problem with the yellowing, just trying to understand it. After correcting color in PP, it still has a warm look which I like very much. This picture has the color appearance of having been taken late in the day when actually the sun was high in the sky.



PostPosted: Tue Aug 21, 2012 9:13 pm    Post subject: Reply with quote
I think I have hijacked this thread. Sorry WolverineX. Everyone else, when responding to my comments, please go here:
http://forum.mflenses.com/jupiter-9-85-2-rf-t51958.html


PostPosted: Tue Aug 21, 2012 10:59 pm    Post subject: Reply with quote
my copy of the lens has no yellow tint


PostPosted: Tue Aug 21, 2012 11:01 pm    Post subject: Reply with quote
woodrim wrote:
I think I have hijacked this thread. Sorry WolverineX. Everyone else, when responding to my comments, please go here:
http://forum.mflenses.com/jupiter-9-85-2-rf-t51958.html


no problem, it's all about this lens anyway Smile


PostPosted: Sun May 19, 2013 9:18 pm    Post subject: Reply with quote
new samples made with E-M5











PostPosted: Wed May 22, 2013 3:33 am    Post subject: Reply with quote
WolverineX wrote:
new samples made with E-M5


Great shots, perfectly focused. What aperture did you use in these?


PostPosted: Wed May 22, 2013 6:01 am    Post subject: Reply with quote
i shot these on a cloudy day so i kept aperture wide open most of the time


PostPosted: Wed May 22, 2013 7:22 am    Post subject: Reply with quote
Really great pictures, the lens really shines on your photos.
I'm hunting for Jupiter 9 for some time now, but not only me as I see therefore prices are high.

Thanks for reminding how this lens could perform, I must spend some more time at work as I see Wink


PostPosted: Wed May 22, 2013 1:15 pm    Post subject: Reply with quote
Good performance from that J9, but I've also been noticing that your M5 seems to provide very nice images.


PostPosted: Thu May 23, 2013 11:10 am    Post subject: Reply with quote
woodrim wrote:
your M5 seems to provide very nice images.


that it sure does Smile


PostPosted: Thu May 23, 2013 7:15 pm    Post subject: Reply with quote
Considering your last photos, did you use any PP, or are they simple JPG's from body? Maybe some tweaking with settings in the camera?
Just asking as photos are wonderfully sharp and colourful.


PostPosted: Thu May 23, 2013 7:57 pm    Post subject: Reply with quote
PhantomLord wrote:
Considering your last photos, did you use any PP, or are they simple JPG's from body? Maybe some tweaking with settings in the camera?
Just asking as photos are wonderfully sharp and colourful.


the last one in the set was made using built in Pop art filter, others are regular shots no art filter
in pp i corrected black point in levels, and unsharp mask with setting i always use on all my photos so they are all equally sharpened

for that shooting i used art filter bracketing and had 12 versions of the same photo right in the camera, ended up with over 1000 shots that way

here you can see selection from the shooting, but first photos (31) are made with industar 61 l/d 52mm/2.8
http://www.flickr.com/photos/domagoj-b/sets/72157633521149703/show/


PostPosted: Sun Jul 18, 2021 5:25 am    Post subject: Reply with quote
[quote="woodrim"]Despite having a blue coating, my 1961 RF model (PT7540) has a destinct yellowing, so seems most logical that it has the radioactive glass as there is no other answer I can think of. You might think the blue coating would counter the yellowing, but apparently not.

Jupiter-9 do not have radioactive glass, non of the versions in entire history. Early versions are using exactly the same type if glass than Carl Zeiss - you can recognise them by gas bubbles in the glass, as it was pain to manufacture it without them. Later glass types were changed to easier ones, and surfaces radiuses were recalculated for this glass, and apparently not well enough - low sharpness at f2. Yellow tint is due to blue chemical coating on the early versions, it adsorbs blue spectrum, also I had noticed during repairs that some, also have yellowish Canada Balsam on both triplets - it is 4 in total CB cemented surfaces in the lens, it's more than enough to make yellow tint too.


PostPosted: Sun Jul 18, 2021 4:13 pm    Post subject: Reply with quote
[quote="Toxa"]
woodrim wrote:
Despite having a blue coating, my 1961 RF model (PT7540) has a destinct yellowing, so seems most logical that it has the radioactive glass as there is no other answer I can think of. You might think the blue coating would counter the yellowing, but apparently not.

Jupiter-9 do not have radioactive glass, non of the versions in entire history. Early versions are using exactly the same type if glass than Carl Zeiss - you can recognise them by gas bubbles in the glass, as it was pain to manufacture it without them. Later glass types were changed to easier ones, and surfaces radiuses were recalculated for this glass, and apparently not well enough - low sharpness at f2. Yellow tint is due to blue chemical coating on the early versions, it adsorbs blue spectrum, also I had noticed during repairs that some, also have yellowish Canada Balsam on both triplets - it is 4 in total CB cemented surfaces in the lens, it's more than enough to make yellow tint too.


That is a very interesting explanation and very plausible too. Thank you.
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