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NEW AND SURPLUS OPTICS We are authorised dealers of the famous Surplus Shed Optics. UK and EU customers can order any item here, with 14 day money back warranty from UK supplier. No Duties or VAT payable. US customers can also use this website to purchase direct from Surplus Shed, Fleetwood, PA with total $5.00 shipping charge to continental US! |
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Glass filters with standard thread to fit your 1.25 eyepieces. Unused |
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Glass filters with standard thread to fit your 1.25 inch eyepieces. Unused |
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Glass filters with standard thread to fit your 1.25 eyepieces. Unused |
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Glass filters with standard thread to fit your 1.25 eyepieces. Unused |
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Glass filters with standard thread to fit your 1.25 inch eyepieces. Unused |
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High quality AR coated optical crown glass filter with 26mm diameter clear aperture. Can be combined with the other 11 styles (stacked) to create unique contrasts and various effects. Fits all standard 1-1/4 inch telescope eyepieces. Threaded on both sides, 10mm thick. Comes wrapped and in it's own case with foam. Get a few different colors to combine them for unique effects! # 11 Yellow-Green has 78% transmission and is great for observing red and blue areas on Jupiter and Saturn. Great for Mars as well. |
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High quality AR coated optical crown glass filter with 26mm diameter clear aperture. Can be combined with the other 11 styles (stacked) to create unique contrasts and various effects. Fits all standard 1-1/4 inch telescope eyepieces. Threaded on both sides, 10mm thick. Comes wrapped and in it's own case with foam. Get a few different colors to combine them for unique effects! # 12 Yellow has 74% transmission and is great for observing red and orange objects and enhancing blue. Great for the Moon, Jupiter, Saturn, and Mars. |
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High quality AR coated optical crown glass filter with 26mm diameter clear aperture. Can be combined with the other 11 styles (stacked) to create unique contrasts and various effects. Fits all standard 1-1/4 inch telescope eyepieces. Threaded on both sides, 10mm thick. Comes wrapped and in it's own case with foam. Get a few different colors to combine them for unique effects! #38 Light blue has 17% transmission and is great for blocking red and orange wavelengths. Great for Jupiter, Saturn, Venus, and Mars. |
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High quality AR coated optical crown glass filter with 26mm diameter clear aperture. Can be combined with the other 11 styles (stacked) to create unique contrasts and various effects. Fits all standard 1-1/4 inch telescope eyepieces. Threaded on both sides, 10mm thick. Comes wrapped and in it's own case with foam. Get a few different colors to combine them for unique effects! #56 Light Green has 53% transmission and is great for Mars, Jupiter, and for enhancing lunar detail. |
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This was actually a glass yellow Aero 2 filter manufactured by Bell & Howell. We re-mounted them into a new ring ready to screw right into your 2 inch eyepiece. Filter is 9mm thick. May have minor imperfections from years of storage. Yellow filters help with views of the polar caps of Mars and other features of Mars, Saturn, and Venus. Unused. |
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This was actually a glass red filter manufactured by Bell & Howell. It's the type where the filter material is sandwiched between two pieces of optical glass. We re-mounted them into a new ring ready to screw right into your 2 inch eyepiece. Filter is 9mm thick. May have minor imperfections from years of storage. Unused |
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