New TMB 25 mm aspheric Ortho 25 mm

Started by apmtelescopes, 03/22/2004 03:40PM
Posted 03/22/2004 03:40PM Opening Post


Dear Friends

attached first images of the eyepiece which arrived today

here some technical specs, I could check

Some infos:
- Fieldstop diameter 24 mm
- eyerelief 20 mm
- FOV ~ 54°
- high eyerubber attached, foldable
- fieldstop is sitting 6.5 mm inside the housing from end of barrel
- barrel lenght 21 mm , housing lenght 48 mm ( without eyerubber), total lenght 69 mm
- black capy
- box size 63 mm wide, 61 mm height, 102 mm long
- weight of the eyepiece ? dont know, less than 25 mm Coronado Cemax
- Zeiss T* Multicoated
- triplet lenses ( 1 airspace, 1 cementing) with aspherical surface



clear skies
Markus

Attached Image:

apmtelescopes's attachment for post 14303

clear skies

Markus Ludes
APM-Telescopes/Germany
Posted 03/22/2004 03:41PM #1
next 25 mm TMB eyepiece image

Markus

Attached Image:

apmtelescopes's attachment for post 77740

clear skies

Markus Ludes
APM-Telescopes/Germany
Posted 03/27/2004 09:42PM #2
Nice looking eyepiece, Markus. Is it a prototype, or are they available for sale?