For adapting any cell mounted Baader 2 inch Filter onto a camera lens with 52mm front filter thread you will need:
#2408166 Baader DSLR 2" Filter-Holder M48 / SP54: https://www.baader-planetarium.com/en/baader-dslr-2%22-filter-holder-m48sp54.html
#2958052 Baader Lens-Adapter-Ring SP54 / M52: https://www.baader-planetarium.com/en/baader-hyperion-dt-ring-sp54m52-for-dtadapter-iiandiii-and-hyperion-eyepieces.html
Based on the SP54 thread, we offer many more adapters for various camera threads, our so-called Hyperion DT-rings. https://www.baader-planetarium.com/en/catalogsearch/result/?q=sp54
Both thread sizes come with our proprietary pitch - which is not the same for the female and male threads.
This is our own proprietary "emergency solution" for uniting a world were manufacturers all over the world copy from each other - to the point that there are almost a dozen different pitches in use for male and female threads. Traditionally US-companies used to do a UNF-based pitch and the rest of the world went for metric threads - but these do vary from 0.5 to 0.75.
For this reason it does not make sense to publish our non standard pitch because our pitch is made to cope with all existing metric and US-pitch standards - and as said - our solution has evolved from sheer necessity. It is a mixture of a queer pitch and under-/over-dimensioning . We will not want to declare this as a standard and get bashed up for it. It works for us and is a result of 20 years adaptation to fit our filters onto all crazy threads we have seen. And inspite of this - every now and then there comes another "dragonboat-eyepiece" were even our filters may not fit...
FLI's color and CenterLine filter wheels
FLI’s color filter wheels’ robust mechanical design provides the basis for stunning, uncompromised images. Each FLI color filter wheel is precision engineered with a highly accurate no-slip drive chain and stepper motor. The large diameter pivot pin and bushings are precision polished and matched for smooth and quiet no-fuss operation night after night. FLI color filter wheels do not use internal lights for homing, so your images are protected from stray light interference.
The FLI CenterLine Filter Wheel (#1922010) is an innovative filter wheel system. The filter wheel features a centrally located aperture that presents a symmetrical mass distribution, eliminating the offset weight problems associated with virtually every other color filter wheel on the market. The CenterLine Filter Wheel holds filters in two independently operated wheels. It is powered by two internally mounted stepper motors and an innovative drive mechanism allowing for easy wheel removal and filter
access. The internal wheels are supported by radial ball bearings that provide a smooth, quiet, and repeatable operation.
All filter wheels listed below are software controlled. They use a stepper motor and magnetic Hall-effect homing. Please see drawings for additional detail regarding mechanical specifications.
We offer the following CFW’s:
SKU Filter Positions Filter size Technical drawings #1922000 5 2" or 50mm diameter #1922001 7 2" r 50mm diameter #1922002 5 50mm square filter #1922003 7 50mm square filter #1922006 10 50mm square filter #1922004 5 65mm square filter #1922005 7 65mm square filter #1922010 (CenterLine) 10 50mm square filter
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