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Explore Scientific 62° Series 14mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62...

Explore Scientific 62° Series 9mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62°...

Explore Scientific 62° Series 5.5mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 6...

Explore Scientific 52° Series 40mm Waterproof Eyepiece The longest focal length in the 52° Series with the longest eye relief, the 40mm is also the...

Explore Scientific 52° Series 30mm Waterproof Eyepiece Loved by deep sky observers, a 30mm focal length eyepiece produces a large exit pupil which ...

Explore Scientific 52° Series 25mm Waterproof Eyepiece Long considered the “standard” eyepiece that is often supplied with telescopes that are sold...

Explore Scientific 52° Series 20mm Waterproof Eyepiece Often considered the perfect mid-range focal length for most amateur telescopes, the 20mm on...

Explore Scientific 52° Series 15mm Waterproof Eyepiece Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workh...

Explore Scientific 52° Series 10mm Waterproof Eyepiece Eyepieces at or near the 10mm range are often considered a mandatory focal length in your co...

Explore Scientific 52° Series 6.5mm Waterproof Eyepiece Mid-range high power eyepieces like the 6.5mm are instrumental when transitioning through m...

Explore Scientific 52° Series 4.5mm Waterproof Eyepiece High power eyepieces (e.g. 3mm to 10mm) are used not only for obvious observations of plane...

Explore Scientific 52° Series 3mm Waterproof Eyepiece A new focal length joins the Explore Scientific line of inert gas-purged Waterproof Eyepieces...

Antlia U-Venus Imaging Filter - 1.25'' Antlia Venus-U filter is designed for imaging the cloud structure of Venus and Jupiter with CCD cameras on a...

Antlia Photometric Sloan Filters The Sloan Digital Sky Survery (SDSS) photometric system is the most common filter set used by observatory today. A...

Antlia NEW Solar Discover Dualband（Ha, CaK and CaH) - Standard The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both ...

Antlia NEW Solar Discover Dualband（Ha, CaK and CaH) - Mini The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both stan...

Antlia New Solar Discover 5Å CaK filter (SD-CAK5) The Antlia Solar Discover 5Å CaK assembly incorporates a set of light-reducing filters to reduce ...

Antlia New Solar Discover 3nm CaK filter Telescope-side connection is 1.25" and 2" Camera side connection is 2" with ring clamp Transmission at 3...

Antlia H-Beta 3nm Narrowband Pro 2'' Filter The Antlia H-Beta Pro narrowband filter optimizes the full width at half maximum (FWHM) to a 3nm ba...

Antlia 2" Extension tube for 5Å CaK Solar Discover Assembly This 2" extension tube allows you to achieve additional back focus, if needed, w...

Optolong SII 6.5nm Imaging Narrowband Filter Optolongimproved narrowband SII6.5nm filter (Sulful II for CCD) is designed for nebula observation all...

Optolong Night Sky H-Alpha filter Night Sky H-Alpha filter (IR Pass 650nm) with 50% transition from blocking to passing at about 640nm and 95% or a...

Optolong Narrowband H-Beta filter Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on...

Optolong LRGB Filter Set The Optolong LRGB Filter Set is designed for maximum contrast and with extremely high gradients for clear differentiation ...

Optolong IR Pass685 Planetary Filter Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging ...

Optolong Improved OIII 6.5nm Narrowband Filter Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing...

Optolong H-Alpha 7nm Narrowband Filter Optolong improved version of H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of l...

Optolong CLS CCD (City Light Suppression) Broadband Filter The CLS (City Light Suppression) broadband filter is designed to improve the visibility ...

Optolong CLS (City Light Suppression) Broadband Filter 1.  Optolong CLS Introduction The CLS (City Light Suppression) broadband filter is designed ...

Optolong Clear Sky Filter Screw on Lens 1. Optolong Clear Sky Filter Introduction A screw on filter with the easiest installation way like UV fi...

Optolong SHO 3nm Narrowband Filters Kit Optolong SHO-3nm Narrowband Filters Introduction Optolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm,...

Kowa TSN-99 PROMINAR with 30-70x Zoom Eyepiece Kit 99mm PROMINAR Pure Fluorite Crystal Objective Lens Includes TE-11WZ II 30-70x Wide Angle, Zoo...

Kowa TSN-66 Series Prominar Spotting Scopes with Zoom kit TSN-66 PROMINAR66mm PURE FLUORITE CRYSTAL SPOTTING SCOPEThe TSN-66 PROMINAR is the newest...

Kowa NEW TSN-55 Prominar Spotting Scope A new ultra compact and lightweight addition to the PROMINAR range. A 55 mm. compact spotting scope with a...

SVBONY SV405CC Cooled Color Camera for Deep Space Astrophotography IMX294 Sv405cc with UV/IR Cut filter can achieve pure color shooting effect of ...

SVBONY SV305Pro AR Coating Astronomy Camera with selected 1.25'' Filters The SV305Pro ARcoating allows full-spectrum light to through.You can add t...