I bought two of these for solar eclipse / transit watching with my children and have seen the transit of mercury from a professional observatory in Georgia (Europe). When the oil ran out in the generators, the telescopes were closed down and I got the only transit picture from the national observatory of Abastumani! In Turkey, I was invited to view a £6000 hydrogen alpha telescope as the eclipse started - look! There are four sunspots!! No I said, looking at my £40 cardboard telescope, there are 6 sunspots - there were indeed - sometimes simplicity in the optical pathway leads to clearer images. Every year for over a decade I instructed my Science and Society class in the Kilkenny Baha'i Summer School to observe the sun with their own eyes - through this marvelous little wonder that is a small but very accurate lens / mirror and a projection telescope that folds to a pizza box. Its traveled the world and just captured a Mercury Transit 11/11/19. Brilliant.
I have a Baader Planetarium that is in good working order. However, the little white globe that sits in the center of it (over the little electric bulb) is slightly broken at its base and needs to be replaced. Can you please help me get a replacement little white globe?
Professor of Aeronautics
Mt. San Antonio College
Thank you for using our Baader Planetarium which we now produce in the 53rd year.
Unfortunately we only have a few cosmetically imperfect solar caps left from the plastic molded version that we used for long years.
Today we are using a glass-molded cap, because it is more durable. But this would require to modify the lamp holder of your planetarium - and it would be quite expensive to send the middle part of your planetarium (without the star globe) to us in Germany for doing the modification. So if you were to accept the plastic cap with a few dimples, we could send it to our US-distributor for Baader astronomical products (www.AlpineAstro.com) so that he could send it to you at an economical outlay of altogether US $ 25,-
Please let us know if this would be acceptible.
Answer by: Baader Web Team (Admin) on Jan 21, 2020 10:34:00 AM
The MaxBright II has two front-connection options:
1. A female T-2 thread to adapt onto most common photographic equipment
2. A Zeiss ring-dovetail as it has been established by Carl Zeiss for more than 50 years.
We will soon publish an extensive manual that shows the multitude of accessories that we recommend to combine with the MB II in order to adapt this onto most every telescope with the shortest possible optical length.
We cannot equip the MB II with the star diagonal that you certainly would need with your refractor in order to have a convenient way of looking through the telescope, because all users of Newtonian telescopes could not make use of this star diagonal. Accordingly it will be a matter of the customer or the dealer to help finding the appropriate adapters or star diagonals for the telescope in question and most of all, to enable this adaptation without wasting precious backfocus. This is the reason why we have developed a multitude of T-2 prism star diagonals with T-2 threads on both sides. Because you could choose for your refractor whether you want to use a 2" nosepiece to put it in front of the star diagonal or whether you opt for a 1.25" nosepiece.
So please have a bit more patience until we publish the MB II manual and check our website for star diagonals. Because furthermore we are preparing an extensive document to explain all the differences and benefits of our various star diagonals in exhausted detail, this will also be published within the next month.
Answer by: Baader Web Team (Admin) on Jan 20, 2020 4:46:00 PM
The sharpness performance is definitely better. Only the attenuation through the glass is comparable. In the FFC there are two elements of pure fluorite crystal. This is outstandingly transparent at 350 nm.
But there are two more elements from regular molten glass also in this lens collection. Therefore the pure amount of "normal" glass is about the same.
Nevertheless the transmission at 350 nm should be 90%.
Answer by: Baader Web Team (Admin) on Jan 17, 2020 8:11:00 AM
Our 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.