While I’m still the only one with a replication of this microscope I share a few other pictures. I printed a 12 mm extender to get a little more magnification.
The max. FOV is now 4.2 x 3.2 mm, still with about 50 % in focus:
The magnification on the 7" screen is now about 30 x.
The maximum magnification with the extender is about 55 x with a FOV of 2.2 x 1.7 mm.
The FOV is now too small for the whole ant:
The mosquito head:
And a cross section of an earthworm:




