ZWO NIKON LENS ADAPTER FOR EFW 1.25", 31mm, 36mm OPTOLONG-IP It contains either an SE-grade

It contains either an SE-grade Quantum Chromosphere or Prominence H-alpha filter specifically adapted to this particular telescope

reducing the amount of cables that run directly from your computer

or ASI6200MM Pro to protect the sensor from dust and humidity

Connection telescope side T2 thread (female) / M42 x 0

ZWO NIKON LENS ADAPTER FOR EFW 1.25", 31mm, 36mm OPTOLONG-IP It contains either an SE-gradeThis adapter allows you to connect Nikon F mount lenses to the ZWO EFW and EFW Mini 1. 25", 31mm & 36mm filter wheels and accessories that use an M42 thread such as the ZWO M42 filter drawer. The adapter provides 20mm of optical thickness and the thread is M42 x 0. 75, so it cannot be connected to the 2" EFW. Suitable for ASI cameras with 6. 5mm back focus and sensor 1" and 4 3 in size such as the ASI533, 183, 294 & 1600. Note: the sensor tilt adapter