Primaluce Lab 168mm PLUS Tube Rings Photography Tripod Its very short focal length

Its very short focal length of 430mm offers a field of view of 5

and a bolt circle diameter of 57

These filters isolate the Hydrogen Alpha and Oxygen III emission lines while rejecting much of the artificial light produced by street lighting

calibrated helical focuser

Primaluce Lab 168mm PLUS Tube Rings Photography Tripod Its very short focal lengthPrimaLuceLab 168mm PLUS Tube Rings Designed for precision and stability, the PrimaLuceLab 168mm PLUS tube rings provide exceptional support for telescopes with 168mm optical tubes. Constructed from CNC machined anodized aluminum, these tube rings combine strength with a lightweight design, ensuring excellent durability and resistance to wear and corrosion. Fully compatible with the versatile PrimaLuceLab PLUS system, these tube rings are an ideal