Televue TV 2.5X, 5X PM magnifying glass, Balov magnifying photography loop without teleconverter

TV 2.5X, 5XPM magnifying glass camera adapter
Don't use your TVPM magnifying glass as a Balo lens
TV2.5,5X magnifying glass is a four piece structure, and it cannot be directly connected to the camera focus by attaching an extension bucket at the back
Therefore, TV emerged specifically for:
1. 25 inches 2 .5XPM, 5XPM,
Specially configured interface for camera connection