F40070M Monocular Sky and Stargazing Binoculars Refractor Astronomical Telescope

Brand: HAYIRDO
Model: F40070M-31
Product Type: General Telescope
Overall Structure: Refracting Astronomical Telescope
Structure: monocular telescope
Applicable Age: Adult
Objective lens diameter: 70mm
Eyepiece Diameter: 10mm, 25mm
Focal length: 400mm
Focal ratio: 4.3
Stargazer: 5×24
Zenith lens: 45 degree positive image zenith lens
Multiplier: 3x
Maximum instrument magnification: 15-233X
Coating: Multi-layer broadband coating
Resolution: High Definition
Optical system: refractive
Focusing mode: Center focusing
Lens Material: Optical Glass
Product Size: 24.8*8.9*4.6(in)
Product weight: 2.3kg