Seymour Solar Thin Film Solar Filter

It is safe to view the sun through this filter directly or mounted on a telescope, finder, spotting scope, etc. 99.999% of the sunlight is blocked.

The aperture is made of a .002" plastic polymer thin film and mounted into an aluminum outer cell.

The filter is secured to the optical device with a nylon thumb screw.

A natural yellow-orange image of the sun is viewed through the filter.

It is packaged in a foam lined storage box, and included are instructions for use and care.

Please measure the outer diameter of end of dewshield for correct size guide.

Telescope Fitment Guide  & Filter Size Guide:

SF375P1 - 3 3/8" - 3 5/8" (86mm - 92mm)

• Celestron 80 ED APO & FirstScope 60AZ, 60EQ, 80EQ
• Meade ETX-60AT, ETX-70AT, NG-60
• Orion Observer 60 Altaz & EQ
• Tele Vue-76 & Pronto
• Vixen A80Mf & A80SSWT & ED81SWT

SF400P1 - 3 5/8" - 3 7/8" (92mm - 98mm)

• Celestron 80 (old)
• Meade DS-70 &ETX-80 AT-TC & DS 2080
• Orion ShortTube 80, Observer 70, Astroview 80/90, Explorer 80 & 90
• Vixen ED80sf & ED100sf
• William Optics Megrez 72 (with dew shield)

SF425P1 - 3 7/8" - 4 1/8" (98mm - 105mm)

• Meade ETX 90/Celestron NexStar 60 & 80 & 80GT & FirstScope 90EQ
• Orion StarMax 90 & Apex 90
• SkyWatcher 70/900 Refractor, Skywatcher Startravel 80
• StellarVue NightHawk APLANAT & NIghtHawk Next Generation (with dew shield) & SV809D (with dew shield)
• Vixen ED81S/William Optics ZS80 II ED & Megrez 80

SF450P1 - 4 1/8" - 4 3/8" (105mm - 111mm)

• AstroPhysics 90mm
• Tele Vue-85 & GP-102
• Orion ShortTube 90 & GoScope 350
• Takahashi FS-78
• Vixen 4

SF625P1 - 5 7/8" - 6 1/8" (149mm - 156mm)

• Meade 5000 ED APO 127mm
• TeleVue-127NP
• Vixen 114
• Skywatcher Explorer 130P

SF750P1 - 7 1/8" - 7 3/8" (181mm - 187mm)

• AstroPhysics 155/Celestron NexStar 6/6SE, C6, Starhopper 6
• Orion AstroView 6, SkyView Pro 6 & 6LT, SkyView Pro 3.6 CA, Skyview 6 EQ, SkyQuest XT6
• Vixen 150

If you are looking for a solar filter between 2" and 7.5", and your scope is not listed, please contact us, as we may be able to get one  for you.