Telescope Filter Pricing
Analysis of 2,663 telescope filter listings to determine current market value.
What you'll usually pay
💡 Used ones cost about 36% more here.
👉 In short easy summary
The best value is found in 1.25 inch filters and Moon filters, both trading below the market median. High-end value is concentrated in BAADER brand filters and Nebular types, which see premiums of 253% and 195% respectively.
💚 Best value for your money
Price by size
Why? Prices scale with diameter, ranging from 14.83 for 0.965 in to 52.99 for 2.0 in.
Price by type
Why? Specialized glass drives cost, with Nebular filters at 79.5 compared to Moon filters at 20.52.
Price by brand
Why? Brand prestige creates a wide gap between Unbranded filters at 19.99 and BAADER at 95.23.
🛒 Some on sale right now
Common questions
What is the typical cost for a standard 1.25 inch filter?
The median price for 1.25 in filters is 22.99.
Are used telescope filters more expensive than new ones?
Yes, the used median is 35 compared to a new median of 25.83.
Which filter type is the most expensive on average?
Nebular filters are the most expensive with a median price of 79.5.
How we got these numbers
Worked out from 200 live eBay listings (price range $11–$200, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 5, 2026.