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Celestron UHC/LPR Filter
Celestron's Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. This includes mercury vapor, and both high and low pressure sod... [more]
  Item#
Size
 
Price
Shipping
   
 
94123
1.25
 
74.95
6.00
  
 
 
94124
2 Inch
 
99.95
6.00
  
 
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Lumicon Deep Sky Nebular Filters
The best light pollution filter on the market today. Blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum. Excellent for both visual and photographic applic... [more]
  Item#
Size
 
Price
Shipping
   
 
LF3010
1.25in
 
99.95
3.00
  
 
 
LF3015
48mm (2in)
 
199.95
3.00
  
 
 
LF3020
Rear Cell SCT
 
199.95
3.00
  
 
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Lumicon UHC Filters
The ULTIMATE nebula filter. The original Lumicon 1.25in Ultra High Contrast Filter is unbeatable for revealing nebulosity. This is achieved by passing three nebula emission lines-the two doubly ionized oxygen lines (496 and 501nm) and the H-beta line (... [more]
  Item#
Size
 
Price
Shipping
   
 
LF3025
1.25in
 
99.95
3.00
  
 
 
LF3030
48mm (2in)
 
199.95
3.00
  
 
 
LF3035
Rear Cell SCT
 
199.95
3.00
  
 
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Lumicon Oxygen III Filters
The legendary LUMICON OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and extremely faint nebulae. Thus, these faint objects become much more visible against the blacken... [more]
  Item#
Size
 
Price
Shipping
   
 
LF3040
1.25in
 
99.95
3.00
  
 
 
LF3040
48mm (2in)
 
199.95
3.00
  
 
 
LF3045
Rear Cell SCT
 
199.95
3.00
  
 
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Lumicon Hydrogen Beta Filters
The Horsehead Nebula filter. The Lumicon H-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide. The result is extreme contrast between the black background of space and the delicate Hydrogen - B... [more]
  Item#
Size
 
Price
Shipping
   
 
LF3055
1.25in
 
99.95
3.00
  
 
 
LF3060
48mm (2in)
 
199.95
3.00
  
 
 
LF3065
Rear Cell SCT
 
199.95
3.00
  
 
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Lumicon Comet Filters
The Lumicon Comet Filter, a narrow bandpass system (25nm), isolates the 501nm OIII line and both Cyanogen lines at 511nm and 514nm. The high contrast gain of the filter reveals the delicate ionized tail of gaseous comets, allowing you to see their full... [more]
  Item#
Size
 
Price
Shipping
   
 
LF3070
1.25in
 
99.95
3.00
  
 
 
LF3075
48mm (2in)
 
199.95
3.00
  
 
 
LF3080
Rear Cell SCT
 
199.95
3.00
  
 
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Lumicon Hydrogen Alpha Pass Filters
The Night Sky Hydrogen-Alpha Filter is intended for deep sky astrophotography only. WARNING: DO NOT USE FOR SOLAR OBSERVATION, EYE DAMAGE MAY OCCUR.   The Lumicon Night-Sky H-Alpha Filter is a powerful photographic aid in overcoming ligh... [more]
  Item#
Size
 
Price
Shipping
   
 
LF3090
48mm (2in)
 
99.95
3.00
  
 
 
LF3100
58mm
 
109.95
3.00
  
 
 
LF3110
77mm
 
129.95
3.00
  
 
 
LF3115
82mm
 
139.95
3.00
  
 
 
LF3085
1.25
 
79.95
3.00
  
 
 
LF3110
72mm
 
119.95
3.00
  
 
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Televue Bandmate Oxygen III Filters
We are pleased to announce the beginning of a new line of filters, with the traditional Tele Vue attributes of highest optical quality and 100% quality control. The first model available will be the Tele Vue Bandmate OIII, followed by a UHC model. All ... [more]
  Item#
Size
 
Price
Shipping
   
 
BFO-0200
2 inch
 
185.00
3.00
  
 
 
BFO-0125
1.25
 
99.00
3.00
  
 
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Televue Bandmate Nebustar Filters
We are pleased to announce the beginning of a new line of filters, with the traditional Tele Vue attributes of highest optical quality and 100% quality control. The first model available will be the Tele Vue Bandmate OIII, followed by a UHC model. All ... [more]
  Item#
 
 
Price
Shipping
   
 
BFH-0200
2 inch
 
185.00
3.00
  
 
 
BFH-0125
1.25
 
99.00
3.00
  
 
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Orion SkyGlow Filters
SkyGlow Broadband Filter,       * The SkyGlow filter enhances deep-sky observing in moderately light-polluted skies     * It blocks the most common wavelengths of light pollution for increased contrast and b... [more]
  Item#
Size
 
Price
Shipping
   
 
5660
1.25
 
74.95
6.00
  
 
 
5658
SCT Rear Cell
 
99.95
6.00
  
 
 
5659
2 Inch
 
89.95
6.00
  
 
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Orion Ultrablock Filters
UltraBlock Narrowband Filter, 1.25"       * The UltraBlock is the filter for deep-sky observers located at highly light-polluted sites     * Blocks all forms of light pollution     * Enhance... [more]
  Item#
Size
 
Price
Shipping
   
 
5654
1.25
 
99.95
6.00
  
 
 
5656
SCT Rear Cell
 
139.95
6.00
  
 
 
5657
2 Inch
 
119.95
6.00
  
 
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Orion Oxygen II Nebular Filters
Orion Oxygen-III Nebula Filter, 1.25"       * Reveals more wondrous details when viewing nebulas     * Transmits close to 90% of the light corresponding to 2 oxygen-III spectral lines at 496nm and 501nm &n... [more]
  Item#
Size
 
Price
Shipping
   
 
5581
1.25
 
105.95
6.00
  
 
 
5582
2 Inch
 
159.95
6.00
  
 
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Orion Hydrogen-Beta Filters
Orion Oxygen-III Nebula Filter, 1.25"       * Reveals more wondrous details when viewing nebulas     * Transmits close to 90% of the light corresponding to 2 oxygen-III spectral lines at 496nm and 501nm &n... [more]
  Item#
Size
 
Price
Shipping
   
 
5583
1.25
 
99.95
6.00
  
 
 
5584
2 Inch
 
149.95
6.00
  
 
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Orion X-tra narrow Band H-Alpha
  Item#
 
 
Price
Shipping
   
 
5587
 
 
129.95
6.00
  
 
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Orion X-tra Narrowband O-III
  Item#
 
 
Price
Shipping
   
 
5578
 
 
129.95
6.00
  
 
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Orion X-tra Narrowband SII
  Item#
 
 
Price
Shipping
   
 
5579
 
 
129.95
6.00
  
 
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Celestron Oxygen III Narrowband
  The OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between the... [more]
  Item#
Size
 
Price
Shipping
   
 
93623
1.25
 
79.95
6.00
  
 
 
93624
2 Inch
 
109.95
6.00
  
 
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Arcturus Broadband Nebula Filter 1.25
The Arcturus Broadband Nebula Filter uses the very latest in optical filtering techniques to produce a fine light pollution filter. The filter element is a material that has its passband precisely controlled through excitation by a laser. The material ... [more]
  Item#
Size
 
Price
Shipping
   
 
VSF08-1
1.25
 
59.95
6.00
  
 
 
VSF08-2
2 Inch
 
99.95
6.00
  
 
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Arcturus Narrowband Nebula Filter
The Arcturus Narrowband Nebula Filter uses the very latest in optical filtering techniques to produce a fine light pollution filter. The filter element is a material that has its passband precisely controlled through excitation by a laser. The material... [more]
  Item#
Size
 
Price
Shipping
   
 
VSF12-1
1.25
 
59.95
6.00
  
 
 
VSF12-2
2 Inch
 
99.95
6.00
  
 
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