Lumicon 2 Inch #25 Red Color Filter Nebula Bandpass so the three adjustment screws

so the three adjustment screws per ring can center and grip it securely

with a non-marring clamping bar that grips without gouging the dovetail

Go 14″ when you're running long bars or heavier tubes — the extra clamping length spreads the load and adds stability

Guiding occurs with the same light path as the imaging detector thereby eliminating the effects due to differential flexure/slop of the auxiliary guide scope

the Moon 40° away

Lumicon 2 Inch #25 Red Color Filter Nebula Bandpass so the three adjustment screwsLumicon 2 Inch #25 Red Color Filter Lumicon 2 Inch #25 Red Color Filter highlights details on Mercury, make Venus and its terminator pop against dawn dusk, explore maria on Mars, cloud bands on Jupiter and Saturn, and reveal dusky features on Uranus and Neptune with this filter. Fits any standard 2" eyepiece.