DAYSTAR QUANTUM H-ALPHA FILTER SE Bandwidth:0.3 - 0.5Å 923 mm (collapsed)

923 mm (collapsed)

With a 2-3 x Barlow lens and a planetary camera you will get the right pixel scale for imaging planets and the craters of the moon

These rings belong to the PLUS system (Prima Luce Universal System) that includes a large variety of telescope rings

1mm female

DAYSTAR QUANTUM H-ALPHA FILTER SE Bandwidth:0.3 - 0.5Å 923 mm (collapsed)DayStar's Quantum range of solar filters are designed for professional and serious amateur applications and offer absolute precision control over wavelength transmission. The SE grade meet the critical DayStar quality control criteria applicable in all visual and some photographic environments. The precision Quantum housing incorporates ALL of the desired features for today's solar astronomer and then some. Operation couldn't be simpler, just plug it