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PostPosted: Sun Feb 24, 2019 5:04 am 
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Joined: Thu Jul 26, 2018 8:45 am
Posts: 151
hi
I want to build a new camera system with Leitz 170 version Periplan eyepiece with thread .
Found leitz 559208 559231 519750 in china (NO FOUND 519 748, 519 749 and 518 058).
does leitz 559208 suit me?


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PostPosted: Sun Feb 24, 2019 5:09 am 
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Posts: 151
i want to give up my variable lens ,because it not design for aps-c
by the way ,this is my new picture .onion :lol:


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PostPosted: Sun Feb 24, 2019 6:57 am 
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Posts: 895
Location: NorthWest England
92111 wrote:
hi
I want to build a new camera system with Leitz 170 version Periplan eyepiece with thread
[ ...] does leitz 559208 suit me?

Sorry, I don't recognise that number; hopefully someone else will

From memory, though ... the recommended periplan was the high eyepoint one, illustrated here:
http://www.quekett.org/resources/advanced-photomicrography
... note the 'spectacles' engraved on it.
The threaded top makes for very convenient adaptation.

MichaelG.
.

The Periplan's optical design is discussed here:
https://micro.magnet.fsu.edu/primer/anatomy/oculars.html

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PostPosted: Sun Feb 24, 2019 11:18 am 
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Thanks MichaelG
I take a risk bought it.


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PostPosted: Sun Feb 24, 2019 11:40 am 
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Posts: 151
Great link


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PostPosted: Fri Mar 01, 2019 5:29 am 
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Posts: 151
Bad luck :(
yes,there is a thread.
But,there also a cross in my new eyepiece


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PostPosted: Fri Mar 01, 2019 6:05 am 
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Posts: 151
my new picture :(


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PostPosted: Fri Mar 01, 2019 7:50 am 
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Posts: 151
good news everyone.
I have take a risk again ,removed the cross.
This is my new camera system ,Found in photomacrography


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DSC02099.JPG
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PostPosted: Fri Mar 01, 2019 8:08 am 
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Quote:
I have take a risk again ,removed the cross.
Don't lose it, it will come in handy if you ever have to collimate the the head.

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Olympus E-P2 (Micro Four Thirds Camera)


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PostPosted: Fri Mar 01, 2019 11:42 am 
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92111 wrote:
good news everyone.
I have take a risk again ,removed the cross.
This is my new camera system ,Found in photomacrography

That's looking very good
Just for interest, could you please post a couple of full resolution crops from DSC02099.JPG
... showing the micrometer scale lines
1. in the central area
2. in the upper left corner

Thanks
MichaelG.

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PostPosted: Fri Mar 01, 2019 12:08 pm 
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MichaelG. wrote:
could you please post a couple of full resolution crops from DSC02099.JPG
MichaelG.


like this?


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PostPosted: Fri Mar 01, 2019 1:30 pm 
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92111 wrote:
MichaelG. wrote:
could you please post a couple of full resolution crops from DSC02099.JPG
MichaelG.

like this?


Excellent, thanks
Yes, the corner has a little more chromatic aberration, but not (I think) enough to cause any problem in normal use ...
It looks like you have a fine set-up there.

MichaelG.

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PostPosted: Sat Mar 02, 2019 12:28 am 
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MichaelG. wrote:

Excellent, thanks
Yes, the corner has a little more chromatic aberration, but not (I think) enough to cause any problem in normal use ...
It looks like you have a fine set-up there.

MichaelG.

75RR >> OK
Hi MichaelG,
This my new test after some adjustment,blue hot spot appear。
https://drive.google.com/open?id=1H05KVBbm1WjUjEMvoDoA5OEc2hCXIE3L

my camera lens is cheap but (still) not in very good condition(some fog in it).


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DSC02109.JPG
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DSC02110.JPG
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PostPosted: Sat Mar 02, 2019 7:50 am 
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Location: NorthWest England
92111

You may have already seen this:
http://www.photomacrography.net/forum/viewtopic.php?t=33131
... but I think the answer to your 'blue spot' problem is probably there.

MichaelG.

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