Apertura 10" f/4 Imaging Newtonian OTA - 10F4N

Apertura 10" f/4 Imaging Newtonian OTA The 10" f/4 Imaging Newtonian OTA from Apertura is a versatile telescope, equipped with everything you need for wide-field imaging of deep space. The optical tube is 38.5" long and made of rolled steel for added durability. The large aperture of 10" is perfect for capturing deep space views. This OTA also has a diameter of 11-7/8", weighing 29.25lb without the finder. The OTAs interior has been painted black with a matte finish which aids in diminishing reflection. The Newtonian OTA has a center-spotted parabolic primary mirror. The four secondary mirror vanes are as thin as possible while maintaining stability. Equipped with diffraction-limited optics, the parabolic primary mirror is housed in an aluminum cell fitted with six "push/pull" collimation knobs so that you can collimate without tools! The Apertura 10" f/4 OTA weighs just about 30 pounds and will require a mount that can handle a pretty substantial payload. A good option would be the Ce