The focal length is 45.5mm, the magnifications given are correct for the Baader Classic eyepieces and all other eyepieces where the field sop is 2mm inside of the 1.25" nose piece. The magnification factor of a Barlow lens depends on how far it is from the field stop of the eyepiece or the camera sensor. So if your camera is in the wrong distance, it will deliver a different magnification. We have now explained this more extensive in this FAQ.
Answer by: Baader Web Team (Admin) on Jun 20, 2022 9:03:00 AM
We have no idea why Meade changed their thread norm just a tiny bid when they copied Celestrons 3" thread. Celestron was first - but that had happened more than 40 years ago..
Also about 35 years ago we started to do accessories with that 3.3" size - and we saw that if we do create our own norm for the thread width - which is a tiny bit wider on the Celestron OTAs, then we could do one ring that will fit both telescope brands.
So we do produce 3.3" threaded rings with our own "in-house-standard" - and it works on both brands.
Answer by: Baader Web Team (Admin) on Jun 14, 2022 9:39:00 AM
Mine is not really a question, but I would like to offer my feedback regarding the configuration I use all the time for visual work:
(1) 2-to-1.25 reducer
(2) 15mm spacer ring
(3) 2" nosepiece (# 2408150)
(4) Baader VIP element housing cell
(5) Baader M43a x 0.75 / T-2a Adapter (# 2458199).
In particular, (4) is mounted on (5), and (5) is screwed at the bottom of (3) via T2 connection.
Advantages of this configuration for visual use are:
(1) the change in focus position when the VIP is used or removed is minor. Also, adding spacers does not change the focus position much
(2) it is more solid, as the connection with the focuser is via 2"
(3) the barlow can be used with refractor diagonals in 2" without hitting the mirror or prism.
Thank you very much for your very nice feedback! If you have some photos of the equipment and astrophotos that you took with the equipment - and you would allow us to publish it in our product page blog together with your feedback - please send it to firstname.lastname@example.org
Answer by: Baader Web Team (Admin) on Jun 10, 2022 4:03:00 PM
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.
Please note: Our logistics department is closed from June 28th to 30th for annual stock-taking. Processing/Delivery of orders (by order of arrival during this time) will start again on July 1st, 2022. We apologize for any inconvenience