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

Avastangi universum with the Newton parabolatic 300mm f/5 Black Diamond Dual Speed of Sky-Watcher. This powerful telescope, the largest of the Newton range of Sky-Watcher, is designed for astronomy enthusiasts eager 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, providing richly detailed observations.

Features :

• Aperture : 300mm (primary parabolic mirror in Pyrex)
• Focal length : 1500mm
• Focal ratio : f/5
• Eyepiece holder : Crayford 50.8/31.75mm with 1:10 reduced focus (Dual Speed)
• Thin secondary mirror supports : 4 branches of 0.5mm
• Achromatic straight finder 9x50 included
• LET 28mm eyepiece (50.8mm fitting) included
• Mounting rings with Losmandy style dovetail
• Dimensions : 35.5cm (diameter) x 145cm (length)
• Weight : 22kg
• Robust metal construction

Benefits :

• 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 eyepiece holder, essential for astrophotography
• Thin secondary mirror supports to minimize diffraction and improve contrast
• Compatible with heavy accessories such as DSLR cameras for imaging

Compatibility :

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

Usage tips :

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

Included items :

• Newton optical tube 300mm f/5
• Crayford 50.8mm eyepiece holder with 31.75mm adapter
• Achromatic straight finder 9x50
• LET 28mm eyepiece (50.8mm fitting)
• Mounting rings with Losmandy style dovetail
• Piggyback mount for camera