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PostPosted: Sat Jul 14, 2018 4:46 am 
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Joined: Sat Mar 03, 2018 9:09 pm
Posts: 21
Hi everyone. I just came across this slightly-decapitated baby at a surplus sale at a pretty unbeatable price. I don't really deal with compound scopes much (I have an AO one-ten that I haven't even gotten to try out yet), so I am not really sure what to do with it. I know Zeiss is a good name, and planapo is already nice. It has five objectives, all planapo: a 4/.14, a 10/.37, a 25/.65 , a 40 / 0.95 and an oil 100/1.25. Regrettably the oil objective appears to have oil in it, and the 40x looks like it might have some delamination. I can see a clear image through the center, but holding it up to my eye it looks like there are some shenanigans around the edges.
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So I am not sure what I should do here. Should I get a head for it to see how things look, or just piece it out? I'm also not sure if the oil objective can be cleaned without ruining it.


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PostPosted: Sat Jul 14, 2018 5:07 am 
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Joined: Sun Oct 12, 2014 2:34 am
Posts: 4737
Location: Estepona
That is the cheapest way to pick up good objectives. ;)

Here is a link to an article that can help you 'judge' the delamination:

http://www.microscopy-uk.org.uk/mag/art ... delam.html

As a matter of interest, when you raise the 40x to its 'out of the way' position does it pop up above the rim? Like so ...


Attachments:
40x.jpg
40x.jpg [ 56.95 KiB | Viewed 171 times ]

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Zeiss Standard WL & Wild M8
Olympus E-P2 (Micro Four Thirds Camera)
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PostPosted: Sat Jul 14, 2018 5:42 am 
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Joined: Tue Sep 05, 2017 10:33 am
Posts: 31
Very nice find.
I imagine even with some delamination they'd still be pretty good, though getting the thing up and running could be expensive as the Zeiss head and eyepieces would cost a fair amount. I think your AO uses infinity optics so not easily adapted either. Basically all is lost, and you may as well send it to me for *ahem* disposal. After all, you wouldn't want that nasty Zeiss delamination to spread and infect your AO
;)


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PostPosted: Sat Jul 14, 2018 7:27 am 
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Joined: Mon Aug 21, 2017 9:02 pm
Posts: 742
The 25x0.65 objective is IMO the most interesting item, together with the rotating stage.

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Zeiss Standard GFL+Canon EOS-M10


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PostPosted: Sun Jul 15, 2018 2:00 am 
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Joined: Sat Jun 20, 2015 3:57 am
Posts: 2509
Location: Houston, Texas
Your 4/0.14 may be useful for macrophotography, but it may require a compensating eyepiece to produce good image.

Other objectives are too powerful macro subjects.

Your 100/1.25 may not be a planapo (it NA is unusually low for a planapo from that Zeiss series), does it say "planapo" on it?

You can stand your 40/0.95, tip down, on a transmission dissenting macroscope (using light from beneath), look from its back lens, and try to focus onto its internal lenses. You can see delamination better than way (it will look like photos #8 and #9 of my eBay listing of a delaminated Zeiss 63/1.4:
https://m.ebay.com/itm/Carl-Zeiss-plana ... 3095868891) . If it is delaminated, you may not be able to get $60 from it.

Maybe better to part it out and sell it. Or trade it.


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