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

Discover the universe with the Sky-Watcher 300mm f/5 Black Diamond Dual Speed parabolic Newtonian telescope. This powerful telescope, the largest in the Sky-Watcher Newton range, is designed for astronomy enthusiasts eager to observe and photograph deep sky objects with exceptional accuracy. With 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
• Focuser: 50.8/31.75mm Crayford with 1:10 fine focus (Dual Speed)
• Secondary mirror supports: 4 x 0.5mm vanes
• Included achromatic finder 9x50
• Included LET 28mm eyepiece (50.8mm fitting)
• Mounting rings with Losmandy-style dovetail
• 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 provide sharp images
• Precise focusing thanks to the Crayford Dual Speed focuser, essential for astrophotography
• Thin secondary mirror supports to minimize diffraction and enhance contrast
• Compatible with heavy accessories like DSLR cameras for imaging

Compatibility:

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

Usage Tips:

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

Included Items:

• 300mm f/5 Newtonian optical tube
• 50.8mm Crayford focuser with 31.75mm adapter
• 9x50 achromatic finder
• LET 28mm eyepiece (50.8mm fitting)
• Mounting rings with Losmandy-style dovetail
• Piggyback mount for camera