ZWO 110mm Quad APO Refractor 72° FOV Ultra-long 56mm focal length provides

Ultra-long 56mm focal length provides low power views in telescopes with a long focal length

As celestial objects appear to drift across the night sky

Never look directly at the Sun with the naked eye or a non-filtered optic

4 7/8” (124mm) to 5 1/8” (130mm)

Best suited to nebula targets

ZWO 110mm Quad APO Refractor 72° FOV Ultra-long 56mm focal length providesLightweight, compact, and engineered for both immersive visual observing and high performance astrophotography. *Focus can be achieved within a back focus range of 4273 mm, measured from the M54M48 interface shoulder. MAIN FEATURES Flexible Connectivity for Multiple Configurations Uniqueness 1.) Four Element Optical Design The FF110 APO features a four element, fully air spaced apochromatic optical design. All four elements work together to deliver a