Vixen Astronomical Telescope Porta 2 II A81M Refractor star watching observationCondition : Brand NEWBrand : VIXENModel Number : A81MSize : 90 x 890 mmWeight : 20.2 poundsDescription :◆ Set A81M high refraction type lens barrel which is also mounted on SX2 equatorial mount etc◆ Flip mirror attachment enables change of magnification with one touch◆ Set includes: A81M lens barrel, eyepiece, Porta II warp base (with a tripod)■ Specifications ■[Body tube part] Objective lens (main mirror) Effective diameter: 81 mm / Achromat, multi-coatFocal length (aperture ratio F): 910 mm (F 11.2)Resolution · Extreme grade: 1.43 seconds · 11.3 etc.Concentration force: 134 times the naked eyeSize: Length 890 mm OD 90 mmWeight: 3.5 kg (body 2.5 kg)Finder: XY spot finder (equal magnification)[Eyepieces] Part installation size: Screwed in / 60 mm · 42 mm Thread screw, insert / 50.8 mm ※ · 31.7 mm (with flip mirror) * 50.8 mm When using eyepiece, optional optional parts are required . In caseEyepiece (31.7 mm diameter): NPL 20 mm (46 times, real field of view 65 minutes) NPL 6 mm (152 times, real field of view 20 minutes) * Magnification conversion is possible with optional eyepiece. In case[Others] Photo shooting: enlargement, focusing, compact digital camera (collimate) shoot possible * separate camera adapter etc. requiredSun observation: solar projection board B set (sold separately) can be used togetherGross weight: 9.2 kg (by eyepiece)【Accessories】 · Starry Sky Guide Book · Hoshizora Editionyzk_1709_36
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