Astronomical telescope

Ref:571183
  • Planetary observations
  • Observation of the deep sky and surface of the moon
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Data sheet Astronomical telescope

Description

Planetary observations
Observation of the deep sky and surface of the moon

Content

- 3 eyepieces 4, 12.5 and 25 mm
- 1 Barlow lens 2 x

Return bent at 90°. Finder with 5 x 24 reticule.
Practical themes Astronomy, instruments and angle measurements

Other Specifications

Objective: Ø 70 mm.
Total length: 700 mm.
Achromatic objective with 2 anti-refl ection treated lenses.
F/D opening ratio = 10.
Clarity 136 x.
Limiting Stellar Magnitude: 11.3 e.
Maximum magnification = 175 x.