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Specification:ColorSilverMaterialMetalProduct caliber60mmOptical systemRefractionEyepieceK17.5, K25 (total 3 eyepieces)Distortion4.9%Maximum magnification20-166XFocal length500mmFocus ratio5.7Finder5x20Viewing angle1.3°Oblique mirror48°Optical coatingMulti-layer coatingBox size77x45x27cmWeight4kgFea..

Specification:ColorGrey, Red, SilverOptical systemRefractionEyepiece20x, 30x, 40xFeatures:1. FULLY MULTI-COATED LENS COATING-WITH BRIGHT IMAGES: The telescope was adopted high resolution fully multi-coated lens coating and Owning excellent transmittance that can get a crystal clear viewing,even can ..

Specification:Model40070TypeUS/UK/GermanyMirror BodyMetalEye cup materialRubberPrism materialGlassMagnification15-66XObjective lens aperture70mmFocal length of primary mirror400mmFocal Ratio6Limiting magnitudes11Light gathering power100XResolving power1.7Optical systemRefractiveOptical CoatingFully ..

Specifications:NameSimulation Astronomical TelescopeRate20X / 30X / 40XLens diameter60mmOverall Size405x310x410mm/15.9x12.2x16.1inchAluminum TripodMax height up to 575mm/22inchFeatures:Adjustable and Elevated Air MovementHigh quality aerospace aluminum bodyApplicable crowd: 5 yearsWith compass;Adjus..

Specifications:Material: Aluminum + PlasticColor: silver and blueMagnification: 90xFocal length: 360mmLight entrance aperture: 400mmResolution: 1.99Optical system: refractiveApplication: Stargazing, TelescopeH6MMMagnification: 60xMagnification with 1.5x Erccting Eyepiece: 90xEyepiece focal length: 6..

Features:1. Telescope meets all the needs of beginners, and the kids' astronomical journey begins from here.2. Equipped with two eyepieces, H20mm and H6mm, Whether it's watching stars and moons at night or observing planets, telescope is the best helper for kids & astronomy beginners.3. High light ..

Specification:Product name F50070MType RefractometerObjective lens diameter70mm (2.75 inches)Focal length500mm (f/6.25)EyepieceK10mm.K25mmExtender3×Barlow lensFinder5×24Prism 45 degree correction like prism diagonalTripodAdjustable aluminum tripodWeight2.5KGFeatures:1. 70mm large diameter and 500mm ..

Specification:ModelXA90Telescope Lens90mmLens MaterialPL LensLens 1PL20 (Power: 30 times)Lens 2PL6 (Power: 100 times)Limiting Magnitude12.3Corner Mirror45° MirrorLens Cone MaterialAluminium AlloyLens Cone CraftMetal PaintTripodAluminium Alloy Optical CavitiesReflectiveFocal Length600mmFinderscope6 x..