Filter
Sale!
Telescope-Accessories-William Optics M80 to M54 Flattener AdapterTelescope-Accessories-William Optics M80 to M54 Flattener Adapter 2
Quick View

Accessories

Telescope-Accessories-William Optics M80 to M54 Flattener Adapter

Original price was: $45.23.Current price is: $29.40.
Sale!
Telescope-Accessories-Baader 3.5/4nm Ultra-Narrowband 2″ CMOS Optimized Filter Set – Ha, OIII, SIITelescope-Accessories-Baader 3.5/4nm Ultra-Narrowband 2″ CMOS Optimized Filter Set – Ha, OIII, SII 2
Quick View

Accessories

Telescope-Accessories-Baader 3.5/4nm Ultra-Narrowband 2″ CMOS Optimized Filter Set – Ha, OIII, SII

Original price was: $594.50.Current price is: $237.80.
Sale!
Telescope-Accessories-Baader OIII 36 mm Narrowband CMOS Optimized 6.5nm FilterTelescope-Accessories-Baader OIII 36 mm Narrowband CMOS Optimized 6.5nm Filter 2
Quick View

Accessories

Telescope-Accessories-Baader OIII 36 mm Narrowband CMOS Optimized 6.5nm Filter

Original price was: $153.60.Current price is: $76.80.
Sale!
Telescope-Accessories-Baader H-alpha 1.25″ Narrowband CMOS Optimized 6.5nm FilterTelescope-Accessories-Baader H-alpha 1.25″ Narrowband CMOS Optimized 6.5nm Filter 2
Quick View

Accessories

Telescope-Accessories-Baader H-alpha 1.25″ Narrowband CMOS Optimized 6.5nm Filter

Original price was: $121.45.Current price is: $66.80.
Sale!
Telescope-Accessories-Baader H-alpha 2″ f/2 Ultra-Highspeed CMOS Optimized 3.5nm FilterTelescope-Accessories-Baader H-alpha 2″ f/2 Ultra-Highspeed CMOS Optimized 3.5nm Filter 2
Quick View

Accessories

Telescope-Accessories-Baader H-alpha 2″ f/2 Ultra-Highspeed CMOS Optimized 3.5nm Filter

Original price was: $332.67.Current price is: $149.70.
Sale!
Telescope-Accessories-Baader 6.5nm f/2 Highspeed 2″ CMOS Optimized Filter Set – Ha, OIII, SIITelescope-Accessories-Baader 6.5nm f/2 Highspeed 2″ CMOS Optimized Filter Set – Ha, OIII, SII 2
Quick View

Accessories

Telescope-Accessories-Baader 6.5nm f/2 Highspeed 2″ CMOS Optimized Filter Set – Ha, OIII, SII

Original price was: $591.75.Current price is: $236.70.
Sale!
Telescope-Accessories-Astronomik MaxFR OIII 6 nm CCD Round 31 mm FilterTelescope-Accessories-Astronomik MaxFR OIII 6 nm CCD Round 31 mm Filter 2
Quick View

Accessories

Telescope-Accessories-Astronomik MaxFR OIII 6 nm CCD Round 31 mm Filter

Original price was: $213.30.Current price is: $95.99.
Sale!
Telescope-Accessories-Starizona T-Adapter with Filter Holder for EdgeHD 8″ SCTTelescope-Accessories-Starizona T-Adapter with Filter Holder for EdgeHD 8″ SCT 2
Quick View

Accessories

Telescope-Accessories-Starizona T-Adapter with Filter Holder for EdgeHD 8″ SCT

Original price was: $83.29.Current price is: $49.98.
Sale!
Telescope-Accessories-Astronomik H-Alpha 6 nm CCD Filter – Canon EOS R XL Full Frame ClipTelescope-Accessories-Astronomik H-Alpha 6 nm CCD Filter – Canon EOS R XL Full Frame Clip 2
Quick View

Accessories

Telescope-Accessories-Astronomik H-Alpha 6 nm CCD Filter – Canon EOS R XL Full Frame Clip

Original price was: $333.30.Current price is: $149.99.
Sale!
Telescope-Accessories-Antlia H-Alpha 4.5nm Edge Filter – 2″Telescope-Accessories-Antlia H-Alpha 4.5nm Edge Filter – 2″ 2
Quick View

Accessories

Telescope-Accessories-Antlia H-Alpha 4.5nm Edge Filter – 2″

Original price was: $174.00.Current price is: $87.00.
Sale!
Telescope-Accessories-Astrozap Full Aperture Aluminum Bahtinov Focus Mask for 5.5″ to 8.5″ OD TelescopesTelescope-Accessories-Astrozap Full Aperture Aluminum Bahtinov Focus Mask for 5.5″ to 8.5″ OD Telescopes 2
Quick View

Accessories

Telescope-Accessories-Astrozap Full Aperture Aluminum Bahtinov Focus Mask for 5.5″ to 8.5″ OD Telescopes

Original price was: $39.60.Current price is: $25.74.
Sale!
Telescope-Accessories-Apertura All Night Imaging Power Supply – 518Wh LithiumTelescope-Accessories-Apertura All Night Imaging Power Supply – 518Wh Lithium 2
Quick View

Accessories

Telescope-Accessories-Apertura All Night Imaging Power Supply – 518Wh Lithium

Original price was: $412.46.Current price is: $164.99.
Sale!
Telescope-Accessories-Antlia OIII 4.5nm Edge Filter – 1.25″Telescope-Accessories-Antlia OIII 4.5nm Edge Filter – 1.25″ 2
Quick View

Accessories

Telescope-Accessories-Antlia OIII 4.5nm Edge Filter – 1.25″

Original price was: $148.00.Current price is: $74.00.
Sale!
Telescope-Accessories-Antlia H-Alpha 3nm Pro Filter – 36 mmTelescope-Accessories-Antlia H-Alpha 3nm Pro Filter – 36 mm 2
Quick View

Accessories

Telescope-Accessories-Antlia H-Alpha 3nm Pro Filter – 36 mm

Original price was: $206.67.Current price is: $93.00.
Sale!
Telescope-Used Telescopes-Rigel Systems AA Battery Pack for QuikFinder – UsedTelescope-Used Telescopes-Rigel Systems AA Battery Pack for QuikFinder – Used 2
Quick View

Used Telescopes

Telescope-Used Telescopes-Rigel Systems AA Battery Pack for QuikFinder – Used

Original price was: $18.16.Current price is: $12.71.
Sale!
Telescope-Used Telescopes-Spectrum 40.5 mm Threaded Optical Solar Film Filter – UsedTelescope-Used Telescopes-Spectrum 40.5 mm Threaded Optical Solar Film Filter – Used 2
Quick View

Used Telescopes

Telescope-Used Telescopes-Spectrum 40.5 mm Threaded Optical Solar Film Filter – Used

Original price was: $50.96.Current price is: $30.58.