Celestron hummingbird telescope, Ornithologie, HD ed lens, zoom, miniature,
landscape,
portable single cylinder
Nitrogen - filled waterproof anti - fog HD ed lens mini handheld portable
Model: 9 - 27 * 50 mm ed mini
Magnification: 7 - 22x
Objective lens: 50mm ( including ed lenses )
Angle of observation: 45 degrees
Coating: full - layer multi - layer coating
Exit pupil distance: 15 mm
Exit pupil diameter: 6.7 - 2 mm
Recent focus: 3m
Product weight: 540 g
Focusing system: mirror focusing
Waterproof performance: filled with nitrogen, waterproof and anti - fog
Model: 9 - 27 * 56 mm ed mini
Magnification: 9 - 27x
Objective lens: 56 mm ( including ed lenses )
Angle of observation: 45 degrees
Coating: full - layer multi - layer coating
Exit pupil distance: 15 mm
Exit pupil diameter: 6.2 - 2 mm
Recent focus: 3m
Product weight: 590 g
Focusing system: mirror focusing
Waterproof performance: filled with nitrogen, waterproof and anti - fog