Levenhuk Ra 250N F4 OTA
Newtonian telescope. Primary mirror diameter: 250 mm.
Levenhuk Ra 250N F4 OTA has a focal length of 39.4 inches and a primary mirror diameter of 9.9 inches. The tube is designed for astrophotography but still can be successfully used for visual observations. The telescope tube is made of metal that makes it sturdy, reliable and long lasting.
Levenhuk Ra 250N F4 comes with a 3'' dual-speed Crayford focuser that makes for higher stability and the 3'' barrel diameter allows to easily attach a lot of accessories including more powerful cameras. The telescope tube is fitted with a built-in fan for cooling the primary mirror.
The kit includes:
- Levenhuk Ra 250N F4 optical tube
- Finder scope
- Finder scope base
- Cooling fan
- Batteries kit (6 pieces)
- User guide and 3-year warranty
Optical design: Newtonian reflector
Optics material: BK-7 glass
Optical coating: quartz-protected aluminum
Telescope tube: metal
Primary mirror diameter (aperture), in: 9.8
Focal length, in: 39.4
Focal ratio: f/4
Barrel diameter: 2", 1.25"
Focuser: 2" dual-speed Crayford focuser
Tube-mount assembly system: dovetail plate
Finder scope: optical, 8x50
Optical tube length, in: 38.6
Optical tube diameter, in: 12.2
Optical tube weight, lbs: 29.3