Meade - #911B Broadband Nebular Filter Series 4000

$ 99.95

07524

Meade - #911B Broadband Nebular Filter Series 4000

Premium multi-layer interference filters, the finest obtainable. Use broadband ("B") filters to block most
forms of light pollution; use narrowband ("N") filters in heavily light-polluted areas for for extremely
high-contrast observing of faint nebulae.

Threads onto the rear cells of Meade LX-series mirror-lens telescopes and onto Meade ED Apochromatic Refractors (using the
Universal Thread Adapter), as well as to the rear cells of other Schmidt-Cassegrain brands. In this way the telescopes are
converted into a basic "nebular mode," for visual observing or for photography with the T-Adapter or Off-Axis Guider. Clear
aperture is 36mm.