Up for grabs a Solarlite Full Aperture by Thousand Oaks Optical. The model is S-4250 - the sizing:
CLEAR APERTURECELL ODPART #90mm3.50?108mm4.25?S-4250Sized by CLEAR APERTURE (filter size in center of cell) and outside diameter (CELL OD) of aluminum cell (inside cell wall that fits over and around telescope tube)
Thanks for looking!
Filed under: Eyepieces & Accessories