Homofocal rings: how to adjust the focus position
Many amateur astronomers use eyepieces from different manufacturers. Each eyepiece has its own focal position. But sometimes the sharpness position may deviate. With this set of matched focal rings, each 5mm thick, you can bring your eyepieces and cameras to almost the same level of sharpness.
€12.31
Reference:
45773
The advantages at a glance:
Align focus positions with multiple eyepieces
Prevent damage to a prism or diagonal star
achieve the same eyepiece and camera positions
Two clamping screws arranged at an angle of 120°
1.5mm Allen key included