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Important Care Tips for astronomical instruments
Please, observe the following guidelines to protect your telescope/mount and avoid damage or even loss of warranty.
Most Recent Product Questions
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Rated: 0
Do you have UV/IR filter for Canon 5Ds ?
Do you have service for astro upgrade this camera and how much does it cost ?Is Answered? Yes (1 answer)
Answer rated: 0After almost two decades, we have decided to discontinue our Canon astro upgrade service, as the demand for modified cameras has decreased significantly over the last years. Unfortunately we do not offer filters for Canon 5D anymoreAnswer by: Baader Web Team (Admin) on Mar 18, 2024 3:28:00 PMRated: 0
I own a since (about) year 2005 a Baader/Zeiss binocular viewer (there is no catalog label on the case, I think it is a Marl IV, physically it is identical to Mark V). I have now a 1.25x glass corrector and would buy a 1.7x one. I see on a datasheet paper regarding Mark V that the corrector has a "factor 1.70x - can be installed before the Baader 90 degree prism diagonal for 2x". I did not know that the corrector could be installed in another way (where, how?). It means that my 1.25x, that is in fact mounted in-between the bino and the 90° diagonal, provides a 2x factor?
Thank you, best regards
Pietro MengaIs Answered? Yes (1 answer)
Answer rated: 0The glasspath corrector works similar to a Barlow (although the optical details are different), and its magnification factor depends on the distance to the eyepiece (see e.g. https://www.baader-planetarium.com/en/blog/barlow-lenses-their-magnification-factors-and-working-distances/ ). So, if you place a GPC farther away, its magnification changes. They are designed for a specific distance, but work quite well in different distances, too.
For such applications, they can be mounted between two T-2-threads of many T-2-adapters (e.g. between two T-2-extension tubes), their collar is then clamped between the two parts.Answer by: Baader Web Team (Admin) on Mar 18, 2024 11:06:00 AMRated: 0
Can the 0.72x Quad Telecompressor Corrector be used with a TEC140 ED?
If so, is it a stock-item?Is Answered? Yes (1 answer)
Answer rated: 0No its not possible to use it with TEC ED - and its no stock item either. AstroPhysics can´t tell us a delivery time at the momentAnswer by: Baader Web Team (Admin) on Mar 14, 2024 4:25:00 PMRated: 0
Does the eye relief change when using any extension ring?Is Answered? Yes (1 answer)
Answer rated: 0There may be a slight decrease in eye relief with the Hyperions when used with an extension, but it is barely noticeable - the eyepiece can still be used comfortably with glasses.Answer by: Baader Web Team (Admin) on Mar 14, 2024 9:14:00 AMRated: 0
I have a Cassegrain telescope with an F/D ratio of 20. Are 1.5x barlows available to obtain an F/D ratio of 30? If not, what would you recommend?Is Answered? Yes (1 answer)
Answer rated: 0A conventional Barlow lens will not do the job, you will need a telecentric system. Here the explanation https://www.baader-planetarium.com/en/blog/the-benefits-of-telecentric-systems/
We have no 1,5x telecentric. The only way to reach f/30 is step down the aperture. Please note that by all means you need an DERF filter in front of your telescope when attaching an Halpha filter! Or the telescope and the filter will be damaged servely.Answer by: Baader Web Team (Admin) on Mar 7, 2024 10:20:00 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.