Antares 25 mm Speers-Waler Series 4 Eyepiece - 2" - SW25S4 Dioptrx and it includes a USB

and it includes a USB cable and the 3340-025 Adapter for the CEM25

5") Reflecting Telescope delivers bright and detailed images that is perfect for viewing celestial objects

The Explore Scientific 52° Series™ eyepieces are excellent flat-field multi-element oculars that will literally transform your visual astronomy experience to new heights

with optional adapters for versatility

scientific research

Antares 25 mm Speers-Waler Series 4 Eyepiece - 2" - SW25S4 Dioptrx and it includes a USBAntares 25 mm 2" Speers Waler Series 4 74 Eyepiece Product Highlights: Antares Speers Waler Type Series 4 Eyepiece 2" Barrel, 25 mm Focal Length, 6 Element Eyepiece 74 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 25 mm and an AFOV of 74. It is a 2" barrel