DBP EX 48 Nebula Contrast Booster 48mm (2 Inch) Filter - Enhance Astrophotography & Night Sky Views for Telescopes and Binoculars

Description

Dual band nebula contrast booster 2″

The UHS version of the filter is pre-shifted with an off-center design, ideal for RASAs, HyperStars, and other very fast optical systems.

• High transmission rate – 99% (higher S/N)
• Steep cutoff lines – makes the image contrast better
• Virtually halo-free
• Glass thickness : 1.5mm
• Glass type : Fused Quartz – excellent purity and transmission including UV. Extremely low contamination. High heat resistance.
• Made in Japan