The M42 female to M54 male 0mm adapter is designed to precisely connect the ToupTek ATR2600M camera (also known as the TP571) to an AFW filter wheel or other accessories equipped with an M54 thread. With its zero optical length (0mm) and 4mm long thread, it allows for the required 12.5mm backfocus, which is crucial in this configuration. The adapter eliminates unnecessary extensions between the camera and the filter wheel, ensuring maximum mounting precision.

Key features

• internal thread M42×0.75 (camera side)
• external thread M54×0.75 (accessory side)
• thread length: 4 mm
• optical length: 0 mm
• 12.5mm backfocus retention on the ATR2600M / TP571 camera
• precise fit without additional extensions

Set components

• M42 female – M54 male 0 mm adapter

Compatibility

• ToupTek ATR2600M / TP571 camera
• filter wheels with M54 male input (e.g. AFW)
• configurations requiring critical backfocus behavior