H-Beta Filters
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Lumicon - Hydrogen Beta Filter - 1.25"
$99.95SKU: LMC-LF3055In stock
Also known as the Horsehead Nebula filter, the Lumicon 1.25in Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast -
Lumicon - H-Beta Filter - 2"
$199.95SKU: LMC-LF3060Ships in 3-5 Days
Also known as the Horsehead Nebula filter, the Lumicon 2" Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast.
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Lumicon - H- Beta Filter - Visual Back
$199.95SKU: LMC-LF3065Ships in 3-5 Days
Also known as the Horsehead Nebula filter, the Lumicon Cassegrain Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast -
TO - LP-4 H-Beta (Red Cell) 1.25"
$89.00SKU: LP4-1.25Ships in 3-5 Days
Thousand Oaks Optical LP-4 H-Beta (Red Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than -
TO - LP-4 H-Beta (Red Cell) 2"
$179.00SKU: LP4-2Ships in 3-5 Days
LP-4 H-Beta (Red Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than -
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Optolong - H-Beta 25nm Filter - 1.25" Mounted
$90.00SKU: OPO-HBTA25-125Ships in 3-5 Days
This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae. The filters transmits a 25nm transfer speed of light that is focused at 486nm and accuracy blocks outside wavelengths of light that cause light pollution (both artificial and natural).
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Optolong - H-Beta 25nm Filter - 2" Mounted
$139.00SKU: OPO-HBTA25-200Ships in 3-5 Days
This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae. The filters transmits a 25nm transfer speed of light that is focused at 486nm and accuracy blocks outside wavelengths of light that cause light pollution (both artificial and natural).
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Optolong - H-Beta 12nm Filter - 1.25" Mounted
$119.00SKU: OPO-HBTA12-125Ships in 3-5 Days
The Optolong H-Beta 12nm Filter permits you to visually see the ever-prevalent yet subtle Horsehead Nebula with vast opening telescopes under dim skies, and can likewise be utilized to picture the Horsehead and other nebulae radiate light at 486nm, such as but not limited to, the California and Cocoon nebulae.
