Baader Planetarium Diamond Steeltrack S58 to M68i BDS-Adapter - 2957207 Accessory they have the same inner

they have the same inner diameter

Suitable for viewing on faint emission nebula of Hydrogen-Alpha line in full moonlight or in severe light pollution

The FLT 91 employs FPL-53 glass and has an optical design consisting of three elements

to additionally eliminate any reflection due to light falling onto the edge of a filter

Baader Planetarium Diamond Steeltrack S58 to M68i BDS-Adapter - 2957207 Accessory they have the same innerDiamond Steeltrack S58 to M68i BDS Adapter Specifications MANUFACTURER Baader Planetarium SKU (#) 2957207 EAN CODE 4047825048547 NET WEIGHT (KG) 0. 65 OPTICAL LENGTH (MM) 7. 5 INNER DIAMETER CLEAR APERTURE (MM) 54 OUTER DIAMETER 73 ADAPTABLE TO Baader Diamond Steeltrack (BDS) INNER CONNECTION (EYEPIECE CAMERA SIDED) M68 x 1 OUTER CONNECTION (LENS SIDED) S58 COMPATIBLE BRANDS Baader Planetarium TYPE OF ADAPTER Reducing Adapter ADAPTERS FAMILY M68 System