William Optics GT102

William Optics GT102

Spesifikasi: Aperture102mmFocal RatioF/6.9Focal Length703mmObjective designed3 elements Air-spaced with FPL53 glassResolving Power1.13 arc "Limiting Magnitude13.9Lens ShadeRetractabletFocuserOD 2.3" R &P focuser ,360° Rotating ...

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