Astrophotography

Fits Dew Shields with Outer Diameters from 243mm to 308mm Generates a Clear Three-Spike Diffraction Pattern for Precise Focusing Essential Tool fo...

50mm Aperture Doublet Lens 200mm Focal Length f/4.0 Focal Ratio 1.25" RotoLock Eyepiece Holder Total Weight: 0.42 kg / 0.93 lbs Description FAQ...

Fits Telescope Dew Shields from 75mm to 110mm Creates Sharp Diffraction Spikes for Precise Focusing Ideal for Small Apochromatic Refractors and As...

Patented Bahtinov mask integrated into a dust cover Precision-cut pattern for accurate focusing Designed for William Optics GT71, Z73, and Star71I...

Bahtinov mask cover for William Optics GT81 and Z81 telescopes Enhances focusing accuracy for astrophotography Description The Willi...

Bahtinov mask cover for Takahashi FSQ106 telescope Enhances focusing accuracy for astrophotography Description The William Optics Ba...

Integrates Off-Axis Guider and Filter Drawer 37.5 mm Optical Length Supports M48, M54, and M68 Connections Magnetic M48 Filter Holder 336 g (11.85...

32mm Doublet Objective Lens Fast f/3.75 Focal Ratio 120mm Focal Length Integrated Vixen/Synta-Style Slide-Base Ultra-Lightweight at 0.23 kg (0.51 ...

50mm Aperture Doublet Lens 200mm Focal Length (f/4.0) Integrated 1.25" RotoLock Adapter Slide-Base for William Optics Handles Total Weight: 0.5 kg...

Dual-Bandpass for H-Alpha and Oxygen-III Suppresses Urban Light Pollution Ion Beam-Assisted Deposition (IBAD) Coatings High Durability and Easy-to...

48mm (M48) Filter Size Multi-Bandpass Light Pollution Suppression Passes H-α, H-β, and OIII Emission Lines Schott B270 Optical Glass Substrate STC...

Adapts 1.25" mounted filters for use in 2" filter holders Compatible with ZWO 5-position and 7-position 2" filter wheels Fits ZWO M42 and M52 filt...

30mm Aperture 150mm Focal Length (f/5.0) Triplet Apochromatic (APO) Lens Design Precise Helical Focuser Lightweight at 0.77 lb. Description FAQ...

Protects camera sensor from dust and humidity 21mm diameter for specific ZWO camera models High-transmission Anti-Reflection (AR) coatings 1/4λ su...

1.2 Megapixel monochrome CMOS sensor (1280 x 960) 3.75µm pixel size for precise guiding and planetary detail Peak Quantum Efficiency of 80% for hi...

Large 1/1.2" Sony CMOS Sensor 2.4 MP Resolution (1936 x 1216) 5.86µm Pixel Size 77% Peak Quantum Efficiency Standard 1.25" Body with ST-4 and USB ...

IMX174 Sensor Pixel Size of 5.86 microns QE of 77% USB 3.0 ...

20.2 Megapixel 1" Sony IMX183 BSI CMOS Sensor 2.4µm pixels for high-resolution planetary and solar system imaging 19 FPS at full 5496 x 3672 resol...

20.2 Megapixel 1" Sony IMX183 BSI CMOS Sensor 2.4µm pixels for high-resolution imaging with short focal length telescopes Two-stage TEC cooling re...

20.2 Megapixel (5496 x 3672) 1" Monochrome CMOS Sensor 2.4µm Pixel Size for High-Resolution Sampling 84% Peak Quantum Efficiency (BSI Sensor) 1.6e...

20.2 Megapixel 1" Sony BSI CMOS Sensor 2.4µm Pixel Size for High-Resolution Imaging Two-Stage TEC Cooling Reduces Thermal Noise 84% Peak Quantum E...

2.1 Megapixel Resolution (1920 x 1080) 4.0µm Pixel Size 92% Peak Quantum Efficiency 0.6e Minimum Read Noise 1/1.8" Monochrome CMOS Sensor Descr...

26.4 MP APS-C Sony IMX571 Imaging Sensor Integrated 1920x1080 SC2210 Guide Sensor 16-Bit ADC & +73Ke Extended Full Well Capacity Zero Amplifie...

26.1 Megapixel APS-C Color Sensor Two-Stage TEC Cooling to -35°C Below Ambient 16-Bit ADC with 73ke Full Well Capacity Zero Amplifier Glow Circuit...