Baader T-2 fine tuning rings set made of aluminum (0.3 / 0.5 / 1mm) T2

Set consisting of Astro T-2 system intermediate rings (tuning rings) in the thicknesses 0.3mm (black), 0.5mm (red), 1mm (gold)
    Very thin intermediate rings for fine tuning in the T-2 eyepiece projection
    Insert rings with T-2 inner diameter without thread
    Fit between any T-2 screw connection, corresponds to approx. 2/5 (0.3mm), 2/3 (0.5mm) or 1 1/3 (1mm) thread turn. The thread revolution information may vary slightly.
    Prevents a T-2 screw clamp from seizing

 

    MANUFACTURER Baader Planetarium
    ITEM NUMBER (#) 2457910
    EAN CODE 4047825039637
    NET WEIGHT (KG) 0.00
    OPTICAL LENGTH (MM) 0.3mm (black), 0.5mm (red), 1mm (gold)
    INTERNAL DIAMETER / FREE OPENING (MM) T-2 (42 mm)
    OUTSIDE DIAMETER (MM) 45.75 mm
    INTERNAL CONNECTION (EYECULAR/CAMERA SIDE) M42 x 0.75 (T-2)
    INTERNAL CONNECTION (TELESCOPIC SIDE) M42 x 0.75 (T-2)
    ADAPTER TYPE Extension
    ADAPTER FAMILY T-2 System