This is description of this part:
A set of items rarely found on the used market:
- EPI dark field illumination condenser (mirror objective slide/insert) no. "12" with M19 thread (German: Hohlspiegelkondensor 12)
- Carl Zeiss Jena Planachromat 12,5x microscope objective
Model: Hohlspiegelkondensor 12
Color: Grey
Internal thread: M19
Objective:
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Manufacturer: Carl Zeiss Jena
Model: Planachromat 12,5x 0.25 oo/0
Tube length: infinity
Magnification: 12,5x
Numerical aperture: 0.25
Cover glass: no
Type: EPI (reflected light)
Thread: M19
This element is used for EPI observations in reflected light in microscopes with a suitable EPI illuminator (Auflichtkondensor) installed, e.g. Carl Zeiss Jena NF or NU / NU-2 and with Vertival, Epival, Epignost, BK 70x50 microscopes - although they are also available in versions supporting other objectives).
What is this part needed for?
- if your set is missing a part with this number
- if your set is missing this lens
- if your mirror insert is damaged (the thread is damaged, the glass is broken, or the mirror is oxidized)
