Product name Portable Telescope Astronomical Telescope 18-60x for Kids Beginners Objective diamete 50mm Interchangeable 18X and 60X eyepiece lenses Eyepiece focal H6mm and H20mm Focal Length 360mm Tripod height 270mm Focuser 0.965″ rack-and-pinion Erector 1.5x Color silver Net weight 500g
Item 16-40×70 Astronomical Telescope Magnification 16x-40x Optical system Refractive optical system Focal length 400mm Focus ratio 11.25 Eyepiece 10mm 25mm Barov Extender 3x Mirror 48°Erecting BAK4 prism Optical Coating FMC Fully Coated Exit Pupil Diam 2.2mm
Magnification 8x Objective diameter 32mm Field of view 115m/345ft Field angle 7° Near focus 2.5m Exit pupil 4mm Eye relief 17.5mm Size 15.1×13.5×5.6cm Weight 708G Exit Pupil Diam 4mm
Type 10×42 Magnification 10x Objective diameter 42mm Field of view (1000m) 114m/342ft Near focus 2.5m Exit pupil 4.2mm Eye relief 15mm Focus system Center Focus Size 15.1×13.5×5.6cm Weight 708g
Product name fogproof range finder 700m Color green View angle 7° Objective 25mm Range 5-700m Magnification 6x Weight 235g Battery Type 3v working temperature -10°~50° size 72*35*110mm
Magnification 6 View angle 7° Model 6x Laser Rangefinder Measure 4-700m/5-1000m Speed Field 0-300Km/H Battery 3V Operate Temperature -10°~50° Object Lens Size 23mm Exit pupil diameter 17.5mm Accuracy +-1m
Keywords Compact Shock Proof Kids Binoculars Material Rubber Feature Compact and Shock Proof Magnification 8X Optical Magnification Objective diameter 21mm Weight 216g Prism BAK4 Roof Prism Coating Mulit-coating Certification FCC CE
Magnification 8x Objective diameter 21mm Lens coating FMC Focus system Obj. Exit pupil diameter 2.6mm Eye relief 10.5mm Field of view(Angel) 7.3° Field of view(at 1000m/at1000yds.)) 128m / 384ft. Exit Pupil Diam 2.6
name spotting scope 25-75×100 Magnification 25-75 Objective diameter 100mm Number of Lens 8Pcs/5 groups Material Bak4 Color Black nitrogen filled Yes Waterproof Yes(Immersion Tested 1m) Coating Fully multi-coated Focusing lens Prism
Product name 40×60 Monocular Telescope Color Green Objective diameter 50mm Field of view 293m/1000m Coating FMC Green Optical Coated Prism Bak4 Exit pupil Diameter 12.8mm Eyepiece size: 18mm/23mm
Magnification 25x Color Gold & Brown Field of view 270m / 1000m Objective diameter 30mm Keywords 25×30 Monocular Type Roof Bak4 Brand name OEM & ODM Weight 133g