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Most Recent Product Questions
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Rated: -1
I have the Astro-Physics version of the VarioFinder, but I'd like to mount it on a dovetail for tangent arm use using either the EQ dovetail or a tube ring(s). Can the dovetail be purchased separately? I did not see it in the Baader catalog. What is the OD of the tube to spec for tube rings?Is Answered? Yes (1 answer)
Answer rated: 0We are very sorry we do not offer the dovetail separately. The outer diameter of the tube is 63,15mmAnswer by: Baader Web Team (Admin) on May 8, 2024 8:16:00 AMRated: -1
You have a lot of documentation on how using this with an eyepiece but none that I can found if I want to directly connect my camera to the eyepiece holder without going through the eyepiece itself.
* In this case is there a minimal extension distance to respect between the camera and the (empty) eyepiece holder? (with eyepiece for full frame hybrid you say 95mm)
* What is the impact of the extension distance on the magnification? (with eyepiece equivalent focal length is Feq=Ftel*(d/Feye-1)
Danke!Is Answered? Yes (1 answer)
Answer rated: 1Adaptation to the eyepiece is pretty straight-forward: To use the maximum aperture, remove the T-thread from the T-ring and insert 2" / S52 Nosepiece # 2958551. Then you can insert it into your eyepiece holder, just like an eyepiece.
You can also use the T-thread of the adapter and use Baader 2" / T-2 (M48) nosepiece with Safety Kerfs # 2458130 or Baader 1¼" T-2 nosepiece with Safety Kerfs # 2458106, if your telescope hasn't got a T-thread (M42x0.75) on its own (some telescope have got one integrated). This is fine for cameras up to APS-C (or MFT, if you want to use the 1¼" nose piece).
For a full frame camera, T-2 can cause vignetting, and you should use the S52 / M48 adapter #2958552 plus Baader M48 extension tube 40 mm / 2" nosepiece with Safety Kerfs #2958640 as adapter to the 2" eyepiece clamp. This way, you can use the full aperture.
The distance between camera and sensor doesn't change the focal length, as you are using the native focal length of your telescope. So, on a telescope with a focal length of 1000mm, the camera sensor has to be placed 1000 mm behind the objective. Only then you'll see a sharp image.
Caution: If you are using a star diagonal, you should remove it for photography. A 2" star diagonal is approximately 10-11 cm long, so you may need a mechanical extension to reach focus without it, if the focuser doesn't extend enough. We have extension tubes for T-2 (e.g. Baader T-2 / 40 mm Extension Tube # 1508153); for M48, you can stack e.g. some M48 extension tube 40 mm / 2" nosepieces #2958640.
The backfocus of your telescope or the camera adaptation in general should be mentioned in the manual of our telescope. If you can insert an eyepiece without a star diagonal into your focuser and see a sharp image, you probably don't need an additional extension.Answer by: Baader Web Team (Admin) on May 6, 2024 9:55:00 AMRated: -1
How thick is the TurboFilm? Thanks!Is Answered? Yes (1 answer)
Answer rated: -1Film thickness is about 10 micron.Answer by: Baader Web Team (Admin) on May 7, 2024 10:51:00 AMRated: 1
My Baader S52 adapter included a a thin shim ring approx 0.5mm thick. Does this shim need to be installed to maintain the optical length of 13mm?Is Answered? Yes (1 answer)
Answer rated: 1The optical height of 13mm is only the UFC filter base. As soon as you add an additional adapter, such as the S52 camera adapter with an optical height of 2mm, the optical height changes accordingly to 15mm. This height is always without the 0.5mm thick intermediate ring. This is only required if you need particularly precise backfocus requirements and you are missing 0.5mm for perfect backfocus, for example. Otherwise, please always use the adapters without additional intermediate rings.Answer by: Baader Web Team (Admin) on Apr 30, 2024 9:29:00 AMRated: 0
Is there one that will fit the Celestron Omni 120 xlt. Thank you for your response.Is Answered? Yes (1 answer)
Answer rated: 1For the OMNI 120XLT refractor we unfortunately doesn´t have an adapter. Only those adapters are available, I´m sorry:
https://www.baader-planetarium.com/en/catalogsearch/result/?q=rt-adapter&___from_store=de
Answer by: Baader Web Team (Admin) on Apr 23, 2024 10:14:00 AMBaader Planetarium GmbHOur company exists now for more than 50 years. In this time, more than 15.000 Baader Planetariums (the first patented product of our company) help all over the world to give students an understanding of astronomical correlations. In our own manufactory, more than 500 observatory domes have been produced and delivered turnkey-ready. Instruments and telescope accessories from "Baader" are known for their high qualities by many astronomers and universities. We consider it our duty and obligation, not only to sell telescopes, but an indivdually selected telescope system, that brings you a lifetime of joy.