Alstar 2'' Moon/Skyglow Filter

Frequently Asked Questions

• Q: What is the size of the Alstar Moon/Skyglow Filter? A: The Alstar Moon/Skyglow Filter measures two point eight inches in length, two point seven inches in width, and zero point six inches in height.
• Q: What material is the filter made of? A: The filter is made from Neodymium glass, which is designed to filter out unwanted wavelengths effectively.
• Q: What is the model number of this filter? A: The model number of the Alstar filter is SKU_AM_ZF2MSA.
• Q: How do I use the Alstar Moon/Skyglow Filter? A: To use the filter, simply attach it to any standard two inch eyepiece or accessory, such as a Barlow lens.
• Q: Is this filter suitable for observing the moon? A: Yes, this filter is specifically designed to enhance observations of the moon by improving contrast and reducing skyglow.
• Q: Can I stack this filter with other filters? A: Yes, the filter is threaded on both sides, allowing you to stack it with other two inch filters if needed.
• Q: How do I clean the Alstar Moon/Skyglow Filter? A: To clean the filter, use a soft, lint-free cloth and lens cleaning solution to avoid scratching the glass.
• Q: Is the Alstar filter safe to use for extended periods? A: Yes, the filter is designed for safe use during extended observing sessions, enhancing the viewing experience without risk.
• Q: What should I do if the filter arrives damaged? A: If the filter arrives damaged, please contact the retailer for assistance with return policies and replacements.
• Q: Does this filter enhance color details when viewing planets? A: Yes, the filter enhances contrast for reddish and blue details, making it suitable for planetary viewing.
• Q: What types of objects can I observe with this filter? A: You can use this filter to observe bright objects like the moon, planets, and to improve views of fainter celestial objects.
• Q: How does this filter reduce skyglow? A: The Alstar filter blocks unwanted light emissions from street lamps and artificial lighting, helping to suppress skyglow.
• Q: Is the Alstar filter compatible with all telescopes? A: Yes, it is compatible with any telescope that accepts standard two inch eyepieces and accessories.
• Q: What is the light transmission percentage of this filter? A: The filter has a very high light transmission rate, exceeding ninety-five percent of the light in the visual spectrum.
• Q: How can I improve my viewing experience with this filter? A: For best results, use the filter during full moon phases to enhance contrast and improve the visibility of celestial details.
• Q: Does this filter come with a warranty? A: Warranty details may vary by retailer, so please check with the seller for specific warranty information regarding the filter.