กล้องโทรทรรศน์ หักเหแสง Bresser
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Technical Data
FIELD OF APPLICATION |
Field of application |
- Deep Sky Observation
- Lunar observation
- Lunar photography
- Planetary observation
|
FOCUS GROUP |
Focus Group |
- Beginners
- Visual enthusiasts
|
PRODUCT FAMILY |
Product Family |
Refractor telescope |
OPTICAL SPECIFICATIONS |
Optical design |
Achromatic Refractor |
Magnification from |
20 |
Maximum recommended magnification |
180 |
Mirror/Lens diam. |
90 mm |
Focal length |
500 mm |
Aperture ratio |
5.5 |
Angular resolution |
1.53 arc seconds |
Type of coating |
Multi coated |
Finderscope |
6 x 30 mm |
Mount Type |
Azimutal |
GENERAL TECHNICAL DATA |
Material OTA |
Metal |
Material tripod3 |
Stainless Steel |
Focusing system |
1,25" Rack-and-Pinion Focuser |
Colour |
white |