Seymour Solar Filters

$75.00

Seymour Solar Filters

(3 customer reviews)

$75.00

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Sold in pairs. Choose filter size based on table below.

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Seymour Solar makes the finest, yet most-affordable solar filters we’ve ever tested- starting at just $75 a pair.  Their Helios thin-film has a consistent yellow-orange solar image, with higher contrast than competitor’s filters.  For binoculars capable of magnifications greater than 25x, we also offer Seymour Premium Glass filters, for highest-possible resolution.  The glass filters are recommended when doing photography using a Novagrade Smartphone or Tablet Adapter.  For visual observation, the Helios film filters are all you need.  Our Seymour filters come with custom felt tape added to the inside of the aluminum cells, for a snug slip-on fit with our binoculars.  For the BT-100-45 and 25/40×100 Long-Range Observation binoculars, the felt is on the outside of the cell in order to snugly fit the inside of the glare-shield area.  See table below to find the correct size for your binocular. All filters meet ISO 123112-2 requirements. No returns accepted for solar filters.

Series Model Filter Size
LightWeight 8×56/11×56 LW 2.75″
LightWeight 9×60/12×60 LW 3.0″
LightWeight 11×70/15×70 LW 3.5″
LightWeight 20×80 LW 4.0″
Mariner 8x40M 2.25″
Mariner 7x50M 2.5″
Mariner 10x60M 2.75″
Sport HD 8×42 SHD 2.25″
Sport HD 10×50 SHD 2.5″
Sport ED 8×42/10×42 SED 2.25″
Deluxe 10×50 D 2.5″
Deluxe 20×65 ED 3.5″
Deluxe 15×70 D 3.5″
Deluxe 20×80 D III 4.0″
Deluxe 25×100 D 4.75″
Ultra 10×50 U 3.0″
Ultra 10.5×70/15×70 U 3.5″
Ultra 20×110/28×110 U 5.0″
Long-Range 25/40×100 4.5″
Binocular Telescope BT-70-45 3.75″
Binocular Telescope BT-100-45 4.5″
Binocular Telescope BT-70XL-ED 4.0″
Binocular Telescope BT-82XL-ED 4.5″
Binocular Telescope BT-100XL-ED/SD 5.0″
Binocular Telescope BT-127XL-SD 6.0″

Additional information

Weight 2 lbs
Dimensions 10 × 5 × 3 in

3 reviews for Seymour Solar Filters

  1. Andrew Corkill (verified owner)

    These filters are great. I have them for my Oberwerk 11×80 LW. I’m using them for solar observations of sunspots. There are not many sunspots right now (early 2021), but the filters work great and help to clearly resolve the dark Umbra and lighter Penumbra.
    Also the “snug” fit is perfect on the binoculars. I can easily slip them on and off, and have no fear as they are so snug, they cannot accidentally slip off.
    This is a good product and I recommend it.

  2. Jack Wallner (verified owner)

    Nice addition to my Oberwerk binoculars . Ready for the next eclipse. To bad we are at a solar min.

  3. Stuart Riley

    The Seymore glass solar filters for the BT-82XL-ED binoculars are spectacular! I have viewed using one-eye but it surprised me how well details popped out with two eyes viewing. The solar filters fit snuggly, but fit well on to each aperture and were matched. I have great praise for night-time use, but now have a new daytime use at looking at our local star.

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