The 2’’ ND-09 gray filter from Explore Scientific is designed to uniformly reduce light and enhance contrast during your lunar observations. With a density of 0.9 (13% transmission), it helps reveal details often obscured by excessive brightness. This filter is particularly useful for observing the moon with any telescope and can be combined with other color filters on larger instruments. It is also ideal for close binary star systems, where the brightness of one star can overshadow the other.

Features:

• Diameter: 2’’
• Density: 0.9 (13% transmission)
• Uniform light reduction across the spectrum
• Ideal for lunar and binary star observations
• Compatible with other color filters

Benefits:

• Enhances contrast by reducing excessive brightness
• Enables more comfortable observation of lunar details
• Versatile and compatible with many telescopes
• Delivered with a dust-proof case for secure storage

Compatibility:

• Compatible with all telescopes that accept 2’’ filters

Treat yourself to a better lunar observation experience with the Explore Scientific ND-09 gray filter, perfect for revealing hidden details and improving visibility of celestial objects.