Baader SC / HD Ultra Short T-Adaptor, 9mm optical length

More Views

Images uploaded by Customers

No customer Image uploads yet. Add Your Review with Images
Baader SC / HD Ultra Short T-Adaptor, 9mm optical length

# 2958500B

€ 51.00 Price excl. German VAT tax (19%): € 42.86

In Stock  

  • Very short adapter, changes from 2" SC / HD male thread to T-2 male thread
  • Ultrashort Adapter for all Schmidt-Cassegrain / EdgeHD telescopes
  • SC-T Ultrashort Adapter, T-2 outer (male) thread / 2" SC inner (female) thread, pitch: 24/inch
  • Only 9mm optical path length (8mm with the Delrin-ring removed)

Product Questions and Answers

Do you have a question about this product? Then we would like to ask you to first look through the existing questions and answers, most likely your question has already been answered and you will get the desired information much faster this way. Your question is not listed? Then please click on the button "Ask a question".

Sort by ASC
I'm trying to connect a Mallincam DS2.3+ to a Hyperion Mark III Zoom 8-24mm. The DS2.3+ has what seems like a M25f thread. What adapter rings are required?
Question by: Norman McCall on Dec 19, 2017 5:04:00 AM | 1 Answer(s)

Rating of Question

I have recently bought this product to help me get a very short connection for my T2 Zeiss prism to my C9.25 SCT rear port. I find that the two "rings" rotate freely with each other - is it normal? Or is this adapter supposed to be a fixed single piece with no rotating components? I am trying to figure out the best way to tighten this to the rest of my system, so that heavy accessories espcially like binoviewers won't rotate freely by accident!
Question by: James on Feb 8, 2017 4:32:00 AM | 1 Answer(s)

Rating of Question

I just purchased a Flipmirror II and I need to connect it to my Meade RCX400 14". Can you give me a list of the exact pieces I need to purchase to make that happen? I'm assuming I need this and a 40 mm extension tube to get to the flip mirror and then a connector to the camera (Meade DSI IV) and connector for 2 inch eyepiece. Also a connector for an off axis guider but I know which one I need for that. Thanks for your help!
Question by: Kevin Whitcomb on Oct 16, 2020 12:59:00 AM | 1 Answer(s)

Rating of Question

The optical length is listed as 7mm here. Many resellers are listing it as 10mm. My own measurements with calipers say 9mm. Are there multiple versions of this adapter? What is the correct expected optical length?
Question by: Jamie on Sep 26, 2020 1:17:00 PM | 1 Answer(s)

Rating of Question

what do i use to connect baader planetarium flip mirror to the back of celestron 8se and what is the back focus for zwo asi294mc-pro camera. zwo says 55mm how do i get this using baader flip mirror device????
Question by: stephen on Jan 2, 2023 10:42:00 PM | 1 Answer(s)

Rating of Question

Will this allow me to connect your 1.25 clicklock to my Nexstar 6se?
Question by: Mark on Dec 16, 2022 2:24:00 AM | 1 Answer(s)

Rating of Question

I have Celestron Evolution 8 EdgeHD scope with a 2" SCT thread on the rear cell. I am struggling to find the correct model diagonal for that rig, can you please provide additional information? I read the primer helpfully provided, but there are two options that are both recommended, the SCT-Clicklock visual back + the clicklock diagonal CLDIAG-2, and the same diagonal but this time mounted somehow flush on rear cell. Which is actually better? The eyepiece I was most is my Mark IV 8-24mm Zoom w/Barlow combo, if that matters.
Question by: Mike Monson on Apr 9, 2021 5:17:00 PM | 1 Answer(s)

Rating of Question

If I were to attach this to the back of my celestron 9” edge hd then attach my Baader flipmirror, would I be able to get correct rotational alignment/adjustment of the flipmirror?
Question by: David on Oct 13, 2022 5:19:00 PM | 1 Answer(s)

Rating of Question

The 2", 24 turns-per-inch thread does not appear to be a standard thread in any of the UNF, UNC or Whitworth lists. All threads have dimensional tolerances (permitted dimensional deviations). The standards, such as ISO 965 for metric threads or ASME/ANSI B1.1 for Unified National threads, specify these. How are the permitted dimensional deviations defined for this product please? My reason for asking is that I want to be very sure that £2000 worth of camera equipment held in place by this product will not fall off. The consequences could be serious.
Question by: Dr. Jane Clark on Aug 11, 2022 3:34:00 PM | 2 Answer(s)

Rating of Question


Additional Information

Manufacturer Baader Planetarium
SKU (#) 2958500B
EAN Code 4047825007209
Net weight (kg) 0.03
Optical length (mm) 9
Inner Diameter / Clear Aperture (mm) 39
Outer Diameter 56
Outer Connection (eyepiece/-camera-sided) M42 x 0.75 (T-2)
Inner Connection (lens sided) 2"/SCT Thread (50.8mm)
Compatible Brands Astro T-2, UNC, Baader Planetarium, Celestron, Other
Type of Adapter Reducing Adapter

You may also be interested in the following product(s)

Overall Average Rating:
3 reviews
5 star
4 star
3 star
2 star
1 star
  • Date - Newest First
  • Date - Newest First
  • Date - Latest First
  • Highest Rated
  • Lowest Rated
  • Most Helpful

3 Item(s)

Phillip 80/03/2021 22/03/202116:28
  • Rating:
Kürzester Adapter SC -> T2
Mit diesem Adapter kann ich die gesamte Länge des Backfokus für Einbauten nutzen. Perfekt!
Show more comments (-5) Hide comments
JohnDT 29/01/2020 30/01/202010:59
  • Rating:
Well made. What is not clear is that it is made of 3 components - look very closely at the image. This allows you to attach it to the SCT telescope then rotate your rig to suit your needs. A great product although could be less expensive.
  • Quality
Show more comments (-5) Hide comments
bambl 321/11/2018 18/11/201819:07
  • Rating:
Brennweiten reduzierer
in Verbindung mit einem Lumicon Easy guider mit Reduzierlinse
verkürzt Brennweite bzw Abstand der Kamera zum Fernrohr
da bei Halber Brennweite Brennpunkt näher am Teleskop
Show more comments (-5) Hide comments

3 Item(s)

What kind of abuse are you reporting?
    Please, wait...