Newton 250/1200 Black Diamond Dual Speed ​​optical tube

Discover the universe in detail with Sky-Watcher's Newtonian optical tube 254mm f/4.8. This powerful telescope offers exceptional light gathering capacity and superior image quality, ideal for enthusiastic amateur astronomers who enjoy deep sky observation and astrophotography.

Features:

• Aperature: 254mm (parabolic primary mirror in Pyrex)
• Focal length: 1200mm
• Focal ratio: f/4.8
• Crayford focuser 50.8/31.75mm with dual speed (1:10) focusing
• Thin secondary mirror supports (4 branches of 0.5mm)
• Included right achromatic finder 9x50
• Included LET eyepiece 28mm (50.8mm thread)
• Vixen type dovetail mounting bars (33cm long)
• Dimensions: 28.8cm (diameter) x 112cm (length)
• Weight: 16kg
• Robust metal construction

Advantages:

• Gathers 57% more light than a 200mm 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 focuser, essential for astrophotography
• Thin secondary mirror supports to minimize diffraction and improve contrast
• Compatible with heavy accessories like SLR cameras for imaging

Compatibility:

• Compatible with mounts equipped with Vixen type dovetail
• 31.75mm adapter provided for use with a wide range of eyepieces

Tips for Use:

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

Supplied Items:

• Newtonian optical tube 254mm f/4.8
• Crayford focuser 50.8mm with 31.75mm adapter
• Achromatic right finder 9x50
• LET eyepiece 28mm (50.8mm thread)
• Vixen type dovetail mounting bars (33cm long)
• Piggyback camera mount