StellarPrint black filter for dark frame 1.25″
This simple StellarPrint black filter for dark frame 1.25″ filter wheel and blocks the light from entering the camera allowing for dark frames to be taken without having to install the lid on the telescope. We have 3D printed this part from black ABS and sanded the camera side so as to prevent reflections. The blank filter also has a slot so you can use a coin to screw it in or out. Please note that fine pitch threads have been 3D printed will create resistance when first screwed in, you do not need screw the blank filter all the way in, just deep enough so it will not obstruct the rotation of the filter wheel or fall off.