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7V 280mAh rechargeable lithium battery
CCD photography: Effective with an additional IR-block filter
narrow 5nm bandpass
Boosts contrast of lunar features
Durable ABS material
Svbony M42 Adapter 5mm 10mm 30mmT2 Extension Tube Antlia 7V 280mAh rechargeable lithium batteryThe Svbony M42 (T2) Extension Tube Set 5mm, 10mm, and 30mm is a precision machined spacing solution designed to help astrophotographers achieve accurate back focus in camera and imaging train setups. These T2 extension tubes are ideal for fine tuning sensor distance when using astro cameras, filter wheels, reducers, flatteners, or off axis guiders. Accurate back focus spacing Correct back focus is critical for achieving sharp stars and optimal field
