Filters by Size
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Vixen - Moon Filter 1.25"
While looking at the reflect light off the Moon can not physically harm the observer, the intensity can be very bright. By adding this filter into the optical path, the observer can relax and enjoy the many fascinating features found on our Moon.
... Learn MoreModel#: 3702
$35.95 -
TO - LP-4 H-Beta (Red Cell) 2"
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 ... Learn More
Model#: LP4-2
$179.00 -
TO - LP-4 H-Beta (Red Cell) 1.25"
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 ... Learn More
Model#: LP4-1.25
$89.00 -
TO - LP-3 OIII (Green Cell) 2"
LP-3 OIII (Green 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 ... Learn More
Model#: LP3-2
$179.00 -
TO - LP-3 OIII (Green Cell) 1.25"
Thousand Oaks Optical LP-3 OIII (Green 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 ... Learn More
Model#: LP3-1.25
$89.00 -
TO - LP-2 Narrowband (Blue Cell) 2"
LP-2 Narrowband (Blue 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 ... Learn More
Model#: LP2-2
$179.00 -
TO - LP-2 Narrowband (Blue Cell) 1.25"
Thousand Oaks Optical LP-2 Narrowband (Blue 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 ... Learn More
Model#: LP2-1.25
$89.00 -
TO - LP-1 Broadband (Black Cell) 2"
Enhanced deep sky viewing with the latest in multi ... Learn More
Model#: LP1-2
$149.00 -
TO - LP-1 Broadband (Black Cell) 1.25"
The Thousand Oaks Optical product line now includes ... Learn More
Model#: LP1-1.25
$89.00 -
TeleVue - UHC Bandmate Filter 2 "
All Tele Vue filters are individually inspected for cosmetic and optical properties, as well as being serialized.The NebuStar Filter is a great general purpose filter for all nebulae observation ... Learn More
FREE SHIPPINGModel#: BFH-0200(48 States)
$315.00 -
TeleVue - UHC Bandmate Filter 1.25"
All Tele Vue filters are individually inspected for cosmetic and optical properties, as well as being serialized.
The NebuStar Filter is a great general purpose filter for all nebulae observation. Red-blocking properties permit brighter & sharper star images.
... Learn MoreModel#: BFH-0125
$175.00 -
TeleVue - OIII Bandmate Filter 2"
This OIII filter particularly enhances planetary nebulae in larger telescopes Narrowband filter for high transmission, with high blocking of unwanted longer wavelengths to yield high-contrast images ... Learn More
FREE SHIPPINGModel#: BFO-0200(48 States)
$315.00 -
TeleVue - OIII Bandmate Filter 1.25"
This OIII filter particularly enhances planetary nebulae in larger telescopes Narrowband filter for high transmission, with high blocking of unwanted longer wavelengths to yield high-contrast images ... Learn More
Model#: BFO-0125
$175.00 -
TeleVue - Bandmate Mars TYPE B Filter
Bandmate™ Mars Type-B FilterThe Bandmate™ Mars Type-B filter is a high efficiency, single band dielectric coating that achieves penetrating views of the Martian surface. The surface appearance is similar to that of the popular #21 filter ... Learn More
FREE SHIPPINGModel#: BMB-0125(48 States)
$205.00 -
TeleVue - Bandmate Mars TYPE A Filter
Bandmate™ Mars Type-A FilterWe all know you can't have your cake and eat it too, but the Bandmate™ Mars Type-A filter lets you at least have a good taste! The Type-A is a dual band filter with different dielectric coatings on each side of t ... Learn More
FREE SHIPPINGModel#: BMA-0125(48 States)
$205.00 -
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Orion - Moon Filter 13 percent Transmission 1.25"
Cures Moon-Watching Washout and EyestrainThe Moon's disk, even at partial phases, is intensely bright with reflected sunlight. The glare washes out most of the craters, rilles, and other surface details from view ... Learn More
Model#: 5662
$19.95 -
Lumicon - Night Sky H-Alpha Filter 2"
Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above
... Learn MoreModel#: LF3090
Regular Price: $168.00
Special Price: $119.95
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Lumicon - Night Sky H-Alpha Filter 1.25"
Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm.
... Learn MoreModel#: LF3085
Regular Price: $135.00
Special Price: $95.95




















