Bresser Messier Dobson telescope with parabolic primary mirror and 2.5'' HEX-focuserNewton optics with parabolic primary mirror made from H-PZ33 low expansion glass material2.5'' HEX focuser with rack & pinion driveLarge altitude wheels provide smooth and precise movement even at high magnifications6x30 finder scope and SPL 25mm eyepiece included6-point flotation system mirror cell for the for primary maximizes optical performanceTube rings facilitate the use of the optics on equatorial mountsThe parts or the rocker-box are connected with metal furniture fasteners for easy assembly and dissasemblyDiffraction limited optics: Strehl > 0,8aperture solar-filter includedtelescope for night and solar observation
Technical Data
FIELD OF APPLICATION
Field of application Deep Sky Observation
FOCUS GROUP
Focus Group Beginners
PRODUCT FAMILY
Product Family Reflector telescope
OPTICAL SPECIFICATIONS
Optical design Newtonian Reflector
Maximum recommended magnification 400
Material Primary mirror Special low expansion H-PZ33
Primary mirror diam. 203 mm
Material Secondary mirror Borosilicate-glass with low thermal expansion, individually matched to main mirror
Secondary mirror diameter 57 mm
Mirror/Lens diam. 203 mm
Focal length 1218 mm
Aperture ratio 6
Angular resolution 0.6 arc seconds
Finderscope DeLuxe Red Dot Finder
GENERAL TECHNICAL DATA
Material OTA Steel
Colour white
Mount type Dobson
Eyepiece Barrel Diameter 50.8 mm
Mount Type Dobson
Extended warranty 10 years
DIMENSIONS & WEIGHTS
Total length 1280 mm
Total width 480 mm
Total height 480 mm
Net weight OTA (incl. accessories) 11.5 kg
Tube diameter 250 mm
Tube length 1150 mm
Net Weight total (incl. accessories) 21000 g
Net weight mount (incl. accessories) 9.5 kg
