Antares 9.1 mm Speers-Waler Series 4 Eyepiece - 1.25" - SW9S4 Sky-Watcher Dobsonians Just like all optical equipment

Just like all optical equipment

The hand controller module is very compact and fits easily in the palm of your hand

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Infinity 90

Antares 9.1 mm Speers-Waler Series 4 Eyepiece - 1.25" - SW9S4 Sky-Watcher Dobsonians Just like all optical equipmentAntares 9. 1 mm 1. 25" Speers Waler Series 4 86 Eyepiece Product Highlights: Antares Speers Waler Type Series 4 Eyepiece 1. 25" Barrel, 9. 1 mm Focal Length, 8 Element Eyepiece 86 Degree Apparent Field of View (AFOV) 10 mm Eye Relief Includes Eyeshield Includes a Rubber Grip for secure handling Optics are Fully Multicoated The Antares Series 4, Speers Waler Eyepiece is a superb quality eyepiece with a focal length of 9. 1 mm and an AFOV of 86. It is a