- Starlight Instruments Adapter 3.5" for William Optics FLT132/TS Photoline F7SI-A35-503-WOFLT132 $250.00Starlight Instruments Adapter 3.5" for William Optics FLT151/FLT152/FLT158 and TS152SI-A35-503-WOFLT152 $270.00Starlight Instruments Adapter to Convert AP Threaded End Cap to SBIG STL 11000 ThreadsSI-A35-505AP-1 $100.00Starlight Instruments Adapter True 3" for Aluminum Explore Scientific 127mm TelescopeSI-A32-3203-ES130A $270.00Starlight Instruments Adapter True 3" for Explore Scientific 102/115CF Telescopes with Sliding Dew ShieldSI-A32-3203-ES102CF $270.00Starlight Instruments Adapter True 3" for Explore Scientific CF 152/165mm TelescopeSI-A32-3203-ES152 $300.00Starlight Instruments Adapter True 3.0" for Explore Scientific CF 127/140mm TelescopesSI-A32-3203-ES127A $270.00