Newton 300/1500 Black Diamond Dual Speed optical tube Sky-Watcher

Discover the universe with the Newton parabolic optical tube 300mm f/5 Black Diamond Dual Speed by Sky-Watcher. This powerful telescope, the largest in Sky-Watcher's Newton range, is designed for astronomy enthusiasts who want to observe and photograph deep-sky objects with exceptional precision. Thanks to its 300mm primary mirror, it collects 44% more light than a 250mm telescope, offering richly detailed observations.

Features:

• Aperture: 300mm (parabolic primary mirror in Pyrex)
• Focal length: 1500mm
• Focal ratio: f/5
• Eyepiece: Crayford 50.8/31.75mm with dual-speed focuser (1:10)
• Secondary mirror supports: 4 branches of 0.5mm
• Included achromatic finder scope 9x50
• Included LET 28mm eyepiece (50.8mm thread)
• Losmandy-type dovetail mounting bars
• Dimensions: 35.5cm (diameter) x 145cm (length)
• Weight: 22kg
• Robust metal construction

Advantages:

• Collects 44% more light than a 250mm telescope for detailed deep-sky observations
• Parabolic primary mirror to eliminate spherical aberrations and offer clear images
• Precise focusing thanks to the Crayford Dual Speed eyepiece, essential for astrophotography
• Secondary mirror supports to minimize diffraction and improve contrast
• Compatible with heavy accessories like DSLR cameras for imaging

Compatibility:

• Compatible with mounts equipped with a Losmandy-type dovetail
• 31.75mm adapter included for use with a wide range of eyepieces

Tips for use:

• For optimal results in astrophotography, the use of a coma corrector is recommended
• Allow the telescope to acclimate to ambient temperature for optimal image quality

Delivered items:

• Newton optical tube 300mm f/5
• Crayford 50.8mm eyepiece with 31.75mm adapter
• Achromatic finder scope 9x50
• LET 28mm eyepiece (50.8mm thread)
• Losmandy-type dovetail mounting bars
• Piggyback camera mount