ATT-messe Essen, 2026


As we still have a few nice items left from the heritage of Alex Nieuwlandt, I will be bringing them to the ATT-messe this year (Saturday, 9th of May)


Teleskop-Service 150mm triplet ED APO f=1.000mm (f/6.7) SOLD!!

  • Last known value (new): 6.800 € ?
  • Value second hand: 4.000 € ?


127mm f/12 D&G refractor

A beautifully finished classical (i.e. “very long” :-)) refractor – resulting in high-quality images at an affordable price (but you will need a slightly more robust and higher mount – compared to the modern shorter ED and triplet refractors).

Comes with a Lichtenknecker Optics (“LO”) style dovetail, but that can easily be changed to a Vixen of Losmandy-style.

  • Last known value of comparable instruments (new): 800 € ?
  • Value second hand: 300 € ?


152mm f/5 O.G.F. refractor

A very nice short refractor (AKA “a Comet Catcher”) for those who enjoy extra wide vistas of the sky. Build around a 6 inch d/5 (f=762mm) lense from O.G.F. (Optical Glass Fabrication – I didn’t knwo the company neither :-)).

Comes equiped with a superfine helical focuser from Lichtenknecker Optics (LO) – but don’t worry: an adapter (System64 to 2 inch) is included! Has enough backfocus to accomodate most bino-viewers!

The scope sits in the well-known “pirate chest” box from Celestron, and comes with 2 sturdy aluminium tube-rings.

  • Last known value of comparable instruments (new): 1.000 € ?
  • Value second hand: 400 € ?


AstroPhysics 600E Servo

Comes with a 2nd (spare) SMD controller (probably the first generation of AP controllers??). Doesn’t have GoTo yet, and we’re not 100% sure if it can be equiped with the more recent GTO-controllers from Astrophysics (if not, OnStep might be a solution!!). But the mechanical quality stands without any doubt!!

This is your chance to buy a hi-quality mount at a bargain price!

No tripod, but an adapter is included to mount it – for example on Berlebach tripods. But does come with a few counterweights…

  • Last known value (new): ??? €
  • Value second hand: 3.000 €


Vixen Saturn (manual)

The beefiest of the 3 Vixen-mounts – could probably carry a 20 kg telescope and more (30 kg?) – such as the Celestron C14. Was used as a manual mount, but the original RA-motor (synchronous motor?) and electronics are available – and even a more recent stepper-motor from Vixen (but not sure about the handset for this one…).

Stands on the original heavy mobile pier.

Last known value (new): ??? €

Value second hand: 750€ ?

BTW: the tube-rings are NOT included


Eyepieces

  • Televue Wide Angle 15mm
  • Televue Nagler 9mm type 6
  • Celestron Ultima LX 22mm
  • Meade Series 5000 (60°, 5 element) Plössl 26mm
  • Fujiyama (Kokusai Kohki) HD-OR 4mm
  • Fujiyama (Kokusai Kohki) HD-OR 5mm
  • Lichtenknecker Optics / Baader Eudiascopic 7,5mm
  • Astro Professional “Long Eye Relief” 20mm(2 pieces available)
  • Astro Professional “Long Eye Relief” 18mm (2 pieces available)
  • Astro Professional “Long Eye Relief” 12,5mm
  • University Optics Wide Scan 6mm
  • Teleskop Service Planetary 58° HR 8mm (3 pieces available)
  • Teleskop Service Planetary 58° HR 6mm
  • Teleskop Service Planetary 58° HR 5mm


Lichtenknecker Optics (LO)

For those who (rightly so!) still love and use the beautifull optics and mechanics from Dieter Lichtenknecker and his successor…


Diagonals / finderscopes / filters / tube-rings / …

And indeed lots and lots of smaller stuff…


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