Filters

NEW Coronado SMF 90-30 H Alpha Telescope Solar Filter set.  Immediate Delivery

NEW Coronado SMF 90-30 H Alpha Telescope Solar Filter set. Immediate Delivery

$3,999.00
NEW Coronado SMF 90-15 H Alpha Telescope Solar Filter set.  Immediate Delivery

NEW Coronado SMF 90-15 H Alpha Telescope Solar Filter set. Immediate Delivery

$3,099.00
SBIG ST-402ME W  KAF-0402ME CCD Camera for Astronomy Astro Photography

SBIG ST-402ME W KAF-0402ME CCD Camera for Astronomy Astro Photography

$1,495.00
NEW Coronado SMF60-10 H Alpha Telescope Solar Filter set.  Immediate Delivery

NEW Coronado SMF60-10 H Alpha Telescope Solar Filter set. Immediate Delivery

$1,399.00
Meade #616 Color Telescope Filters Blue Red Green Clear

Meade #616 Color Telescope Filters Blue Red Green Clear

$734.99
GIANT Astronomy Filter,  920WB7.5,  146mm square

GIANT Astronomy Filter, 920WB7.5, 146mm square

$425.00
SBIG ST-402ME Camera Filter Wheel with BVI+C Filters #CFW402BVI

SBIG ST-402ME Camera Filter Wheel with BVI+C Filters #CFW402BVI

$389.12
Baader Planetarium 2" U Filter (Venus and Ultraviolet)

Baader Planetarium 2" U Filter (Venus and Ultraviolet)

$347.00
Baader Planetarium LRGB CCD Filter Set 1 1 4" w  UV IR Cut L-Filter (Optically P

Baader Planetarium LRGB CCD Filter Set 1 1 4" w UV IR Cut L-Filter (Optically P

$345.00
Baader Planetarium U Filter 2" FUV-2

Baader Planetarium U Filter 2" FUV-2

$339.95
Baader 2 inch Narrowband H-Alpha Filter (7nm)  # FHALN-2 # 2458425

Baader 2 inch Narrowband H-Alpha Filter (7nm) # FHALN-2 # 2458425

$282.00
Baader 1.25" Methane Narrowband Imaging Filter 889nm   8nm -  # 2458295

Baader 1.25" Methane Narrowband Imaging Filter 889nm 8nm - # 2458295

$254.00
Optec 17500 Paramount ME Mounting Wiring Kit for TCF-S

Optec 17500 Paramount ME Mounting Wiring Kit for TCF-S

$250.00
Baader 2" Narrowband S-II CCD Filter (8nm)

Baader 2" Narrowband S-II CCD Filter (8nm)

$221.00
Baader 2" Narrowband O-III CCD Filter (8.5nm)

Baader 2" Narrowband O-III CCD Filter (8.5nm)

$209.00
Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter,  2" FOIIIN-2

Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 2" FOIIIN-2

$207.00
Lumicon Hydrogen-Beta Filter for Telescope - 2"

Lumicon Hydrogen-Beta Filter for Telescope - 2"

$204.00
Baader 2" Narrowband H-Beta Filter (8.5nm)

Baader 2" Narrowband H-Beta Filter (8.5nm)

$203.00
Tele Vue Bandmate Oxygen III Nebula 2" Filter BFO-0200

Tele Vue Bandmate Oxygen III Nebula 2" Filter BFO-0200

$179.95
Thousand Oaks Optical LP-1 Broadband Nebula Filter - 2" LP-148

Thousand Oaks Optical LP-1 Broadband Nebula Filter - 2" LP-148

$179.00
Baader 1.25" Narrowband H-Alpha Filter (7nm) # FHALN-1  2458382

Baader 1.25" Narrowband H-Alpha Filter (7nm) # FHALN-1 2458382

$172.00
HPOIII 2.0" – DGM Optics™ OIII Astronomy Filter

HPOIII 2.0" – DGM Optics™ OIII Astronomy Filter

$170.00
GCEâ„¢ 2.0",  DGM Opticsâ„¢Galaxy Contrast Astronomy Filter

GCEâ„¢ 2.0", DGM Opticsâ„¢Galaxy Contrast Astronomy Filter

$160.00
CELESTRON 94303 Eyepiece & Filter Accessory Kit 1.25"

CELESTRON 94303 Eyepiece & Filter Accessory Kit 1.25"

$155.95
NPB 2.0" – DGM Optics™ Nebula Astronomy Filter

NPB 2.0" – DGM Optics™ Nebula Astronomy Filter

$150.00
Celestron Telescope Eyepiece - Filter Accessory Kit - 94303

Celestron Telescope Eyepiece - Filter Accessory Kit - 94303

$147.99
Baader 1.25" Narrowband S-II CCD Filter (8nm)  # FSIIN-1 # 2458430

Baader 1.25" Narrowband S-II CCD Filter (8nm) # FSIIN-1 # 2458430

$144.00
VHT 2.0" – DGM Optics™ Nebula Astronomy Filter

VHT 2.0" – DGM Optics™ Nebula Astronomy Filter

$140.00
Kendrick Baader Solar Filter For C-14 SCT Off-Axis 4.75 Photo Only P6020-A

Kendrick Baader Solar Filter For C-14 SCT Off-Axis 4.75 Photo Only P6020-A

$140.00
Celestron 94303 Eyepiece and Filter Kit - 1.25"

Celestron 94303 Eyepiece and Filter Kit - 1.25"

$139.95
Baader 1.25" Narrowband H-Beta Filter (8.5nm)

Baader 1.25" Narrowband H-Beta Filter (8.5nm)

$132.00
Baader 1.25" Narrowband Oxygen III O-III CCD Filter (8.5nm) # FOIIIN-1 2458435

Baader 1.25" Narrowband Oxygen III O-III CCD Filter (8.5nm) # FOIIIN-1 2458435

$131.00
Baader Planetarium 2" Semi-APO Filter # FSAPO-2  2458399

Baader Planetarium 2" Semi-APO Filter # FSAPO-2 2458399

$128.00
Baader Planetarium 2" IR-Pass Filter (685nm)

Baader Planetarium 2" IR-Pass Filter (685nm)

$128.00
Large Violet Filter,  469BP18,  75mm square

Large Violet Filter, 469BP18, 75mm square

$125.00
Baader Planetarium IR Pass Telescope Filter 2" (685nm) FIRP-2

Baader Planetarium IR Pass Telescope Filter 2" (685nm) FIRP-2

$124.95
Baader Planetarium Narrowband H-Beta Filter 8.5nm 1.25"

Baader Planetarium Narrowband H-Beta Filter 8.5nm 1.25"

$124.95
Baader Planetarium Semi-APO Filter 2" FSAPO-2

Baader Planetarium Semi-APO Filter 2" FSAPO-2

$120.00
Baader Planetarium 2" Moon & Skyglow Filter for Telescope  # FMS-2  # 2458334A

Baader Planetarium 2" Moon & Skyglow Filter for Telescope # FMS-2 # 2458334A

$119.00
Celestron 93624 Narrowband Oxygen III 2 Filter

Celestron 93624 Narrowband Oxygen III 2 Filter

$116.17
Baader Planetarium Moon and Skyglow Filter - 2" FMS-2

Baader Planetarium Moon and Skyglow Filter - 2" FMS-2

$114.95
Baader Planetarium 2" O-III Nebula Filter

Baader Planetarium 2" O-III Nebula Filter

$113.00
Antares 2" Color Filters for Eyepieces - Set of 7

Antares 2" Color Filters for Eyepieces - Set of 7

$111.00
Baader Planetarium 2" Fringe-Killer Filter

Baader Planetarium 2" Fringe-Killer Filter

$111.00
Astronomy Filter,  SII 2",  657DF10,  latest design

Astronomy Filter, SII 2", 657DF10, latest design

$110.00
Baader Planetarium 2" UV IR CUT Filter # FUVIR-2 # 2459210A

Baader Planetarium 2" UV IR CUT Filter # FUVIR-2 # 2459210A

$110.00
Baader Planetarium 2" Oxygen III Nebula Filter FOIII-2

Baader Planetarium 2" Oxygen III Nebula Filter FOIII-2

$109.95
Baader Planetarium Fringe Killer Telescope Filter 2" FFK-2

Baader Planetarium Fringe Killer Telescope Filter 2" FFK-2

$108.95
Baader Planetarium 2" Contrast-Booster Filter

Baader Planetarium 2" Contrast-Booster Filter

$108.00
Meade 07523 Nebular Telescope Filter #910B 910B NEW

Meade 07523 Nebular Telescope Filter #910B 910B NEW

$105.57
Baader Planetarium 2" UHC-S Nebula Filter for Telescope  # FUHC-2  # 24582765

Baader Planetarium 2" UHC-S Nebula Filter for Telescope # FUHC-2 # 24582765

$104.95
Baader Planetarium UHC-S Nebula Filter - 2" FUHC-2

Baader Planetarium UHC-S Nebula Filter - 2" FUHC-2

$104.95
Baader Planetarium UV IR-Cut Telescope Filter  2" FUVIR-2

Baader Planetarium UV IR-Cut Telescope Filter 2" FUVIR-2

$104.95
Baader Planetarium Contrast Booster Telescope Filter 2" FCB-2

Baader Planetarium Contrast Booster Telescope Filter 2" FCB-2

$104.95
Lumicon IR Infrared Blocking Filter for Telescope - 2"

Lumicon IR Infrared Blocking Filter for Telescope - 2"

$102.00
Orion 2" Deluxe 2x Barlow Lens Made in Japan

Orion 2" Deluxe 2x Barlow Lens Made in Japan

$99.99
Garrett Optical Broadband Nebular Filter - 2.0"

Garrett Optical Broadband Nebular Filter - 2.0"

$99.95
Tele Vue Bandmate Oxygen III Nebula 1.25" Filter BFO-0125

Tele Vue Bandmate Oxygen III Nebula 1.25" Filter BFO-0125

$99.95
Astronomy Filter,  Photometric "B",  70.2mm square

Astronomy Filter, Photometric "B", 70.2mm square

$95.00
Astronomy Filter,  Photometric "R",  70.2mm square

Astronomy Filter, Photometric "R", 70.2mm square

$95.00
Astronomy Filter,  Photometric "I",  70.2mm square

Astronomy Filter, Photometric "I", 70.2mm square

$95.00
New 1.25" Orion UltraBlock NarrowBand Filter

New 1.25" Orion UltraBlock NarrowBand Filter

$94.99
Scopetronix ETX105 Solar Filter

Scopetronix ETX105 Solar Filter

$94.95
Lumicon UV Dust Seal Filter for Meade 10"-14" SCTs

Lumicon UV Dust Seal Filter for Meade 10"-14" SCTs

$92.00
Baader Planetarium 1.25" Semi-APO Filter # FSAPO-1  2458398

Baader Planetarium 1.25" Semi-APO Filter # FSAPO-1 2458398

$90.00
Celestron 2'' Oxygen 3 Telescope Eyepiece Filter - NEW

Celestron 2'' Oxygen 3 Telescope Eyepiece Filter - NEW

$89.99
Celestron Oxygen III Narrowband 2" Filter 93624

Celestron Oxygen III Narrowband 2" Filter 93624

$89.95
Lumicon Minus Violet Filter - 58mm LF3130

Lumicon Minus Violet Filter - 58mm LF3130

$89.95
Celestron Oxygen III 2" Narrowband Telescope Filter NEW

Celestron Oxygen III 2" Narrowband Telescope Filter NEW

$89.00
Thousand Oaks Optical LP-1 Broadband Nebula Filter - 1.25" LP-125

Thousand Oaks Optical LP-1 Broadband Nebula Filter - 1.25" LP-125

$89.00
Baader Planetarium Solar Continuum Filter,  1.25" FSOL-1

Baader Planetarium Solar Continuum Filter, 1.25" FSOL-1

$86.95
Baader Planetarium 1.25" IR-Pass Filter (685nm) # FIRP-1  2458385

Baader Planetarium 1.25" IR-Pass Filter (685nm) # FIRP-1 2458385

$85.00
HPOIII 1.25" – DGM Optics™ OIII Astronomy Filter

HPOIII 1.25" – DGM Optics™ OIII Astronomy Filter

$85.00
ZHUMELL 1.25" Eyepiece & Filter Kit w  Case - 5 Eyepieces,  7 Filters

ZHUMELL 1.25" Eyepiece & Filter Kit w Case - 5 Eyepieces, 7 Filters

$85.00
Celestron 94124 2" UHC LPR Multilayer Telescope Filter

Celestron 94124 2" UHC LPR Multilayer Telescope Filter

$84.95
Baader Planetarium 1.25" O-III Nebula Filter  #  FOIII-1  #  2458395

Baader Planetarium 1.25" O-III Nebula Filter # FOIII-1 # 2458395

$81.95
Celestron 93623 Narrowband Oxygen III 1.25 Filter

Celestron 93623 Narrowband Oxygen III 1.25 Filter

$81.84
Baader Clear Focusing Filter - 2"

Baader Clear Focusing Filter - 2"

$81.00
GCEâ„¢ 1.25",  DGM Opticsâ„¢Galaxy Contrast Astronomy Filter

GCEâ„¢ 1.25", DGM Opticsâ„¢Galaxy Contrast Astronomy Filter

$80.00
Baader Planetarium 1.25" Oxygen III Nebula Filter FOIII-1

Baader Planetarium 1.25" Oxygen III Nebula Filter FOIII-1

$79.95
Thousand Oaks Nebular Filter 1.25" Lp-1 Broadband #LP125

Thousand Oaks Nebular Filter 1.25" Lp-1 Broadband #LP125

$79.95
Celestron Ultra High Contrast (UHC) Light Pollution Reduction 2" Filter 94124

Celestron Ultra High Contrast (UHC) Light Pollution Reduction 2" Filter 94124

$79.95



nderstand them.
-- Calvin