The Explore Scientific 1.25'' ND-09 gray filter is the ideal tool for enhancing your lunar observations. By uniformly reducing brightness, this filter reveals details hidden by intense light. Perfect for observing the moon, it is also useful for binary star systems where a brighter star might obscure the other. This filter can be combined with other color filters for optimal performance on larger telescopes.

Features:

• Diameter: 1.25’’
• Density: 0.9 (13% transmission)
• Reduces brightness without altering colors
• Ideal for observing the moon and binary stars
• Can be combined with other color filters

Benefits:

• Increases contrast for better visibility of lunar details
• Reduces excessive brightness for more comfortable observations
• Versatile: fits various telescopes and can be combined with other filters

Compatibility:

• Compatible with all telescopes accepting 1.25’’ filters

The Explore Scientific ND-09 gray filter is essential for any observation of the moon or binary stars, providing enhanced image quality through optimal brightness management.