Antares 9.1 mm Speers-Waler Series 4 Eyepiece - 1.25" - SW9S4 Tripods While observing the moon or

While observing the moon or planets

Three focuser extension rings are provided for a “flex-free” solid extension as a means to take up any unneeded back focus

more detailed views

see Cassini''s Division in the rings of Saturn

25" outside diameter will be 159 mm (6

Antares 9.1 mm Speers-Waler Series 4 Eyepiece - 1.25" - SW9S4 Tripods While observing the moon orAntares 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