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Manufacturer

1. Astronomik (13)
2. Atik Cameras (2)
3. Baader Planetarium (38)
4. Celestron (2)
5. Chroma Technology (8)
6. Custom Scientific (1)
7. DayStar Filters (1)
8. DGM Optics (3)
9. Explore Scientific (5)
10. Lumicon International (4)
11. Lunt Solar Systems (1)
12. Optec (5)
13. Orion (7)
14. PrimaLuceLab (1)
15. TeleVue (1)
16. Thousand Oaks Optical (4)
17. ZWO (1)

Filter Type

1. Clear/Luminance (2)
2. Color Correcting/ Violet Reduction (1)
3. Darkframe (Black or Dark) (1)
4. Infrared (for UBVRI) (3)
5. IR Pass (1)
6. Solar Continuum (2)
7. UBVRI Filter Set (1)
8. UHC (5)
9. Violet Reduction (2)
10. Color (9)
11. Comet (1)
12. H-Alpha (Non-Solar) (8)
13. H-Beta (4)
14. Moon/ Neutral Density (5)
15. Oxygen III (11)
16. Sky Glow/ City Light Suppression (6)
17. Sulfur II (6)
18. Variable Polarizer (3)

Non-Solar Filter Size & Mounting

1. 2" - Mounted (82)
2. 50mm - Round (Mounted) (1)
3. 50mm - Round (Unmounted) (1)

Wratten Number

1. 8 (Yellow) (1)
2. 29 (Deep Red) (1)
3. 58 (Green Tricolor) (1)

Product Series

1. Astronomik H-Alpha 12nm Nebular Filters (1)
2. Astronomik H-Alpha 6nm Nebular Filters (1)
3. Astronomik IR Filters (1)
4. Astronomik OIII CCD Filters (1)
5. Astronomik ProPlanet 642 BP IR Filters (1)
6. Baader LRGB and LRGBC Filters (2)
7. Baader Polarizing Filters (Ideal for Hershel Wedge) (2)
8. Baader Solar Continuum Filters (1)
9. Optec Mounted 2 inch Diameter Round filters (5)
10. Orion SkyGlow Filters (1)
11. Orion UltraBlock Filters (1)
12. TO LP Visual Filters (2)
13. TO Narrowband Nebular Filters (1)
14. TO Oxygen III Filters (1)

Price

Range : $  -  $