What is this old Zeiss part? Amazing dark illuminator

Everything relating to microscopy hardware: Objectives, eyepieces, lamps and more.
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Gatorengineer64
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What is this old Zeiss part? Amazing dark illuminator

#1 Post by Gatorengineer64 » Sat Sep 25, 2021 1:10 am

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Gatorengineer64
Posts: 123
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Re: What is this old Zeiss part? Amazing dark illuminator

#2 Post by Gatorengineer64 » Sat Sep 25, 2021 1:11 am

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Gatorengineer64
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Re: What is this old Zeiss part? Amazing dark illuminator

#3 Post by Gatorengineer64 » Sat Sep 25, 2021 1:12 am

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MichaelG.
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Re: What is this old Zeiss part? Amazing dark illuminator

#4 Post by MichaelG. » Sat Sep 25, 2021 6:20 am

Sorry, I don’t recognise the device … but you certainly must have a piece of microscope history there !
Hartnack was one of the pioneers, and led the way with immersion objectives:

https://www.zeiss.co.uk/content/dam/Cor ... sue_15.pdf

MichaelG.
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MichaelG.
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Re: What is this old Zeiss part? Amazing dark illuminator

#5 Post by MichaelG. » Sat Sep 25, 2021 8:15 am

The impossible only takes a little longer :ugeek:

… I’m pretty sure this is the beast:
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Images from Zeiss catalogue of 1889, available on-line courtesy of ‘Little Imp’
http://www.microscopy-uk.org.uk/Little-Imp/index.html

MichaelG.
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MicroBob
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Re: What is this old Zeiss part? Amazing dark illuminator

#6 Post by MicroBob » Sat Sep 25, 2021 9:08 am

Thanks for showing and digging out the explanation! Having no interference filters really made them think...

Gatorengineer64
Posts: 123
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Re: What is this old Zeiss part? Amazing dark illuminator

#7 Post by Gatorengineer64 » Sat Sep 25, 2021 9:11 am

many thanks........

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