From left to right:
 
A  TAL-1- 110 mm (4.3") Newtonian reflector on an equatorial mount. Focal length 800 mm (31.4") and Focal ratio f/7.3. Manual operation.
 
 
A dedicated solar projecting refractor made by the Polish Optical Company. The telescope has a 100 mm (4") objective lens.
 
 
An Orion Optics 12" Newtonian reflector on a Dobsonian mount. Focal length 1600 mm (63") and Focal ratio f/5.3. Manual Operation.

Our smaller telescopes