Newton 250/1200 Black Diamond Dual Speed optical tube
Newton 250/1200 Black Diamond Dual Speed optical tube
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Regular price
€635,00 EUR
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€635,00 EUR
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Discover the universe in detail with the Sky-Watcher 254mm f/4.8 parabolic Newtonian optical tube. This powerful telescope offers exceptional light-gathering capability and superior image quality, ideal for amateur astronomers passionate about deep-sky observation and astrophotography.
Features:
- Aperture: 254mm (parabolic primary mirror in Pyrex)
- Aperture ratio: f/4.8
- Crayford 50.8/31.75mm eyepiece holder with 1:10 fine focus (Dual Speed)
- Thin supports for the secondary mirror (4 branches of 0.5mm)
- Included straight achromatic finder 9x50
- Included LET 28mm eyepiece (50.8mm fitting)
- Mounting rings with 33cm Vixen-style dovetail
- Dimensions: 28.8cm (diameter) x 112cm (length)
- Weight: 16kg
- Robust metal construction
Benefits:
- Collects 57% more light than a 200mm 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 supports for the secondary mirror to minimize diffraction and improve contrast
- Compatible with heavy accessories like reflex cameras for imaging
Compatibility:
- Compatible with mounts equipped with a Vixen-type dovetail
- 31.75mm adapter included for 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
Items included:
- 254mm f/4.8 Newtonian optical tube
- Crayford 50.8mm eyepiece holder with 31.75mm adapter
- Included straight achromatic finder 9x50
- LET 28mm eyepiece (50.8mm fitting)
- Mounting rings with 33cm Vixen-style dovetail
- Piggyback mount for camera