Télescope newtonien TRUSS 254 F4
New product
0 Item Items
This product is no longer in stock
Warning: Last items in stock!
Availability date:
Carbon Gitterrohrtubus with Newton optics from GSO: suitable Ideal for astrophotography!
The benefits at a glance:
The Carbon tube with stainless steel and aluminum compounds:
The tube combines the advantages of Carbontubus, as regards the temperature stability, with the stiffness of a Full tube. A refocusing when temperature changes is not necessary. The build quality is excellent, the connection parts are made of aluminum in precise CNC manufacturing.
Optics |
|
Aperture (mm) | 254 |
Aperture ratio | 4 |
Tube weight (kg) | 17 |
Tube construction | Wire-mesh tube |
Tube material | Carbon |
Type | Reflector |
Resolving capacity | 0,45 |
Type of build | Newton |
Focal length (mm) | 1016 |
Limit value (mag) | 13,8 |
Light gathering capacity | 1320 |
Max. useful magnification | 508 |
Reflector |
|
reflectivity | 94 |
Secondary mirror diameter (mm) | 88 |
Main mirror´s construction | parabolic |
Eyepiece holder |
|
Connection ( to eyepiece) | 2 |
Type of build | Monorail |
Gear reduction | 1:10 Fine movement |
Mount |
|
Mounting type | no mount |
Type of build | OTA |
Included accessories |
|
Prism rail | Losmandy-Style |
Eyepiece adaptor | 1,25" - 2" |
Finder scope | 8x50 |
General |
|
Series | Carbon Truss Tube |
Area of application |
|
Astrophotography | yes |
Nature observation | no |
recommended for |
|
Beginners | no |
Advanced | yes |
Experienced amateurs | yes |