Name: Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 31mm Round Unmounted
Brand: Optolong
SKU: OFIL-ZZOL-HA7-RD31
Price: 151.2 USD
Availability: InStock

Closeout

Airy Disk 0.75x Adjustable Reducer / Field Flattener for 106mm APO

Special Price $239.99 Regular Price $280.00

In Stock
Clearance

Open Box: QHY 3rd Gen Electronic Filter Wheel - Extra Large 2 inch or 50mm Round, 9 Position...

Special Price $705.59 Regular Price $799.00

In Stock
Clearance

Open Box: Chroma SHO (S-II, H-a & O-III) 3nm Imaging Filter Set - 2" Mounted

Special Price $3,464.99 Regular Price $3,850.00

In Stock
Clearance

Open Box: Celestron Aluminum Dew Shield and Cover Cap for 6" SCT Telescope

Special Price $103.99 Regular Price $114.95

In Stock
On Sale

Celestron Advanced VX 9.25" EdgeHD Telescope

$3,399.00

In Stock
Clearance

Open Box: Celestron StarSense Explorer LT 114AZ App-Enabled Newtonian Reflector Telescope

Special Price $234.99 Regular Price $259.95

In Stock
Clearance

Refurbished: William Optics RedCat 51 II "U" 51mm f/4.9 Petzval Apo Imaging Refractor Telesc...

Special Price $692.00 Regular Price $865.00

In Stock
Clearance

Open Box: Sky-Watcher EQM-35 Equatorial Go To Mount CLN-5491

Special Price $824.50 Regular Price $970.00

In Stock
On Sale

Celestron 9.25" 925HD CGX-L Telescope

$5,849.00

Out of Stock
On Sale

Blue Fireball SCT Thread Spacer Ring with 1" Extension (Short Thread Version)

Special Price $10.48 Regular Price $20.95

In Stock
Clearance

Clearance: QHY Off-Axis Guider - Large

Special Price $244.99 Regular Price $274.00

In Stock
Clearance

Open Box: QHY 268M (Short BFL Version) 26 MP Photographic CMOS APS-C Monochrome Astronomy Ca...

Special Price $1,979.10 Regular Price $2,199.00

In Stock
Clearance

Open Box: Celestron 9.25in. Narrow CG-5-Vixen-Synta Style Dovetail Bar (17in. Long for C9.25...

Special Price $41.00 Regular Price $44.95

In Stock
Clearance

Clearance: Optolong L-eXtreme Dual Bandpass Light Pollution Filter - 1.25 inch CLN-2032

Special Price $234.99 Regular Price $259.00

In Stock
Clearance

Refurbished: ZWO ASI294MM Pro Cooled Monochrome Astronomy Camera CLN-5547

Special Price $1,258.00 Regular Price $1,480.00

In Stock
Clearance

Open Box: Celestron NexImage 10 Solar System Imager with Software CLN-5319

Special Price $263.45 Regular Price $309.95

In Stock
Clearance

Open Box: ZWO Tripod Head for Seestar Smart Telescopes

Special Price $88.99 Regular Price $99.00

In Stock
On Sale

ProCase Deluxe Soft Case for Celestron NexStar Hand Controller

Special Price $17.95 Regular Price $22.95

In Stock
Clearance

Refurbished: ZWO ASI294MC 11.7 MP CMOS Color Astronomy Camera with USB 3.0 CLN-5501

Special Price $594.15 Regular Price $699.00

In Stock
Clearance

Open Box: William Optics Cat Saddle Handle Bar for Redcat / Spacecat 51 Telescope - Red

Special Price $53.99 Regular Price $60.00

In Stock
Clearance

Open Box: Rouz Astro Lightweight Tube Rings for Celestron C9.25 Telescopes (Set of 2)

Special Price $323.29 Regular Price $359.50

In Stock
Clearance

Clearance: Sky-Watcher 180mm Maksutov-Cassegrain Telescope

Special Price $1,506.99 Regular Price $1,675.00

In Stock
Clearance

Open Box: Takahashi 6x30 Finderscope

Special Price $165.99 Regular Price $186.00

In Stock
Closeout

Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 31mm Round Unmounted

Special Price $151.20 Regular Price $189.00

In Stock

Featured Brands

Sale and Clearance Items

CONTACT

ACCOUNT

SUPPORT

RESOURCES

WHO WE ARE