Here is the field flat I designed and 3D printed myself. Have tested it on my Z61 and it had worked perfectly. No need for mains power or software required. Just put it on the front of the scope, turn it on and capture your flats!
It contains a portable camping light within a custom made housing. The light has 3 different brightness levels and can be charged via a USB cable. The light is a little too bright on the lowest setting so I installed a white acrylic blank. Screws are 100% metal.
The front can be interchanged with different apeture sizes so you can use it on multiple telescopes and use the same body/light. As this was designed for portability in mind, from memory I think the largest apeture I can do is around 90mm but I will need to check the model.
If you are interested in one of these please let me know.
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