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Baader Methane Filter (889nm / 8nm) - 1.25" Mounted # 2458295

Baader Methane Filter (889nm / 8nm) - 1.25" Mounted # 2458295

$336
3 Sold
Baader IR-Pass Filter (685nm) - 2" # 2458386

Baader IR-Pass Filter (685nm) - 2" # 2458386

$189
0 Sold
Baader CMOS-Optimized 5.5nm H-Beta Narrowband Filter - 36mm Round Unmounted # 2961082

Baader CMOS-Optimized 5.5nm H-Beta Narrowband Filter - 36mm Round Unmounted # 2961082

$289
3 Sold
Baader U Filter (Venus and Ultraviolet) - 2" Mounted #2458291

Baader U Filter (Venus and Ultraviolet) - 2" Mounted #2458291

$439
5 Sold
Baader U-Venus Filter (350nm) - 2" Mounted #2458291

Baader U-Venus Filter (350nm) - 2" Mounted #2458291

$439
2 Sold
Baader CMOS-Optimized 5.5nm H-Beta Narrowband Filter - 1.25" Mounted # 2961080

Baader CMOS-Optimized 5.5nm H-Beta Narrowband Filter - 1.25" Mounted # 2961080

$259
4 Sold
Baader H-Beta CMOS-optimized Narrowband Filter (5.5nm) – Camera Filters Photographic Filters

Baader H-Beta CMOS-optimized Narrowband Filter (5.5nm) – Camera Filters Photographic Filters

$259
12 Sold
Baader 2" Mounted CMOS-Optimized 5.5nm H-Beta Narrowband Filter - #2961083

Baader 2" Mounted CMOS-Optimized 5.5nm H-Beta Narrowband Filter - #2961083

$399
5 Sold
Baader Neodymium Moon & Skyglow Filter with IR Cut - 2" #2458334A

Baader Neodymium Moon & Skyglow Filter with IR Cut - 2" #2458334A

$195
0 Sold
Baader Neodymium Moon & Skyglow Filter with IR Cut - 1.25" # 2458305A

Baader Neodymium Moon & Skyglow Filter with IR Cut - 1.25" # 2458305A

$119
0 Sold
Antlia 2" 4.5nm SHO Narrowband EDGE Filter

Antlia 2" 4.5nm SHO Narrowband EDGE Filter

$261
5 Sold
Lunt LS50FHa Front Mount Double Stack Solar Filter for Lunt 50mm and 60mm Solar Telescopes # LS50FHa

Lunt LS50FHa Front Mount Double Stack Solar Filter for Lunt 50mm and 60mm Solar Telescopes # LS50FHa

$1,145
0 Sold
Lunt Double Stack Filter for Lunt 80 mm & 100 mm Universal Telescopes - # DSII/SFPT

Lunt Double Stack Filter for Lunt 80 mm & 100 mm Universal Telescopes - # DSII/SFPT

$1,645
0 Sold
Lunt LS60FHa Front Mount 60mm Double Stack Filter for Lunt 60mm Solar Telescope - # LS60FHa

Lunt LS60FHa Front Mount 60mm Double Stack Filter for Lunt 60mm Solar Telescope - # LS60FHa

$1,645
0 Sold
Lunt Solar LS50C Compact Double Stack Filter - # LS50C

Lunt Solar LS50C Compact Double Stack Filter - # LS50C

$985
0 Sold
Lunt LS40FHa Front Mount 40mm Double Stack Solar Filter for Lunt 40mm Solar Telescopes - # LS40FHa

Lunt LS40FHa Front Mount 40mm Double Stack Solar Filter for Lunt 40mm Solar Telescopes - # LS40FHa

$655
0 Sold
Optolong L-Ultimate 2” Dual Bandpass Light Pollution Reduction Imaging Filter - New Pre-Order (in stock)

Optolong L-Ultimate 2” Dual Bandpass Light Pollution Reduction Imaging Filter - New Pre-Order (in stock)

$389
5 Sold
Optolong 3nm SHO Extra Narrow Band Filters H-Alpha SII OIII Filters Kit - 2" Mounted
-25%

Optolong 3nm SHO Extra Narrow Band Filters H-Alpha SII OIII Filters Kit - 2" Mounted

$309.75 $413
3 Sold
Optolong H-Alpha 7nm SII-CCD 6.5nm OIII 6.5nm Narrowband Filter Kit - 36mm Unmounted
-25%

Optolong H-Alpha 7nm SII-CCD 6.5nm OIII 6.5nm Narrowband Filter Kit - 36mm Unmounted

$446.25 $595
4 Sold
Optolong L-Pro Deep Sky Filter - Clip Filter for Select Canon EOS Cameras with Full Frame Sensor

Optolong L-Pro Deep Sky Filter - Clip Filter for Select Canon EOS Cameras with Full Frame Sensor

$269
5 Sold
Optolong SHO (H-Alpha 7nm SII-CCD 6.5nm OIII 6.5nm)Narrowband Filter Set - 2"
-25%

Optolong SHO (H-Alpha 7nm SII-CCD 6.5nm OIII 6.5nm)Narrowband Filter Set - 2"

$446.25 $595
3 Sold
ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 2"

ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 2"

$699
8 Sold
ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 31mm Round Unmounted

ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 31mm Round Unmounted

$425
3 Sold
ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 36mm Round Unmounted

ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 36mm Round Unmounted

$479
8 Sold
ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 1.25"

ZWO Narrowband SHO (S-II, H-a & O-III) Imaging Filter Set - 1.25"

$369
6 Sold
Antlia 3nm Narrowband H-Alpha (Ha)/ Sulfur II (SII) /Oxygen III (OIII)Pro Filter-2" Mounted
-10%

Antlia 3nm Narrowband H-Alpha (Ha)/ Sulfur II (SII) /Oxygen III (OIII)Pro Filter-2" Mounted

$355.5 $395
8 Sold
Antlia SHO (S-II, H-a & O-III) Narrowband 3nm Pro Highspeed Imaging Filter for f/2.6 - f/3.6 Telescopes - 36mm Unmounted
-10%

Antlia SHO (S-II, H-a & O-III) Narrowband 3nm Pro Highspeed Imaging Filter for f/2.6 - f/3.6 Telescopes - 36mm Unmounted

$281.7 $313
11 Sold
Antlia 3nm Narrowband H-Alpha (Ha)/ Sulfur II (SII) /Oxygen III (OIII)Pro Filter - 36mm Unmounted
-10%

Antlia 3nm Narrowband H-Alpha (Ha)/ Sulfur II (SII) /Oxygen III (OIII)Pro Filter - 36mm Unmounted

$279 $310
10 Sold
Antlia ALP-T Dual Narrowband SII (5nm) & H-b (5nm) Filter for f/3.6 & Slower Telescopes - 2" Mounted

Antlia ALP-T Dual Narrowband SII (5nm) & H-b (5nm) Filter for f/3.6 & Slower Telescopes - 2" Mounted

$341
8 Sold
New Antlia ALP-T Dual Narrowband Filter 3nm OIII & H-a 2" Mounted for F/4 And Slower Telescopes

New Antlia ALP-T Dual Narrowband Filter 3nm OIII & H-a 2" Mounted for F/4 And Slower Telescopes

$351
6 Sold
Antlia ALP-T Dual Narrowband 3.5nm Hb & SII Filter for f/4 & Slower Telescopes - 2" Mounted

Antlia ALP-T Dual Narrowband 3.5nm Hb & SII Filter for f/4 & Slower Telescopes - 2" Mounted

$351
6 Sold
Antlia 2.5nm SII Ha OIII Narrowband Ultra Imaging Filter - 2" Mounted
-10%

Antlia 2.5nm SII Ha OIII Narrowband Ultra Imaging Filter - 2" Mounted

$531 $590
12 Sold
Antlia ALP-T Dual Narrowband OIII (3nm) & H-a (3nm) Highspeed Filter for f/2.2 - f/4 Telescopes - 2" Mounted

Antlia ALP-T Dual Narrowband OIII (3nm) & H-a (3nm) Highspeed Filter for f/2.2 - f/4 Telescopes - 2" Mounted

$371
6 Sold
Antlia ALP-T Dual Narrowband Filter 3nm SII & OIII for F/4 And Slower Telescopes 2" Mounted

Antlia ALP-T Dual Narrowband Filter 3nm SII & OIII for F/4 And Slower Telescopes 2" Mounted

$351
5 Sold
Antlia 4.5nm SHO Narrowband EDGE Filter - 50mm
-10%

Antlia 4.5nm SHO Narrowband EDGE Filter - 50mm

$315 $350
6 Sold
Antlia ALP-T Dual Narrowband OIII (5nm) & H-a (5nm) Highspeed Filter for f/2.2 - f/4 Telescopes - 2" Mounted

Antlia ALP-T Dual Narrowband OIII (5nm) & H-a (5nm) Highspeed Filter for f/2.2 - f/4 Telescopes - 2" Mounted

$351
6 Sold
Antlia Mini 1.25" Solar Discover Dualband Ha, CaK & CaH Filter Assembly - Mini Version

Antlia Mini 1.25" Solar Discover Dualband Ha, CaK & CaH Filter Assembly - Mini Version

$99
5 Sold
Antlia IR Pass 685nm Planetary Filter - 1.25'' Mounted

Antlia IR Pass 685nm Planetary Filter - 1.25'' Mounted

$39
4 Sold
Antlia Triband RGB Ultra Filter - 2" Mounted

Antlia Triband RGB Ultra Filter - 2" Mounted

$179
9 Sold
Antlia 3nm Narrowband H-Alpha (Ha)/ Sulfur II (SII) /Oxygen III (OIII)Pro Filter-1.25" Mounted
-10%

Antlia 3nm Narrowband H-Alpha (Ha)/ Sulfur II (SII) /Oxygen III (OIII)Pro Filter-1.25" Mounted

$229.5 $255
6 Sold
Total: 95, Page 1 of 3

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