Hello, All. I would like some help, please. I am currently imaging with the EdgeHD 8 and the ZWO EAF when imaging with the Celestron Reducer at F7 my current back focus is 105.3mm, with the following components: 0.7x Reducer, SCT  Adapter - 25.3mm, Celestron Large OAG - 29mm, Male M42 T-thread Spacer - 12.5mm, ZWO Filter Drawer - 21mm and ASI2600 Cam Tilt Plate - 11mm and Camera sensor depth - 6.5mm.  Here is my current back focus: 
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 I am considering the PrimaLuce Lab ESATTO 2" LP and there isn't much detail, which I can find online regarding back focus requirements and the required components i.e. spacers, and adapters. Does anyone here configuration show the back focus image with the EdgeHD 8, an OAG, a Filter Drawer, or EFW? I am trying to figure out what I will need to purchase to achieve the required back focus and, most importantly, the ESATTO 2" LP work with my imaging OTA.
 Thank you in advance.
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