ZWO FF110 - 110mm f/7 Flat Field APO Refractor - FF110-APO Eyepiece Set The Televue 4 Inch Ring

The Televue 4 Inch Ring Mount slips around the tube assembly of the TV-102 telescope while the bottom of the 4" Ring Mount attaches to any alt-az or equatorial mount that uses a 1/4-20 attachment bolt

Plug the optional CN-16 GPS Accessory into NexStar’s auxiliary port and download data from orbiting GPS satellites for truly quick and easy alignments

This model can be used with Nikon Z-series mirrorless cameras using an F-to-Z adapter (FTZ) available at camera stores

3 XR Di II LD Aspherical [IF] MACRO A18

*Some modification to the clamp is required for the SeeStar S50

ZWO FF110 - 110mm f/7 Flat Field APO Refractor - FF110-APO Eyepiece Set The Televue 4 Inch RingZWO FF110 APO Flat Field Apochromatic Refractor Main Features Flexible Connectivity for Multiple Configurations 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 flat imaging field without the need for an additional field flattener. One ED (extra low dispersion) glass element is incorporated to effectively reduce chromatic aberration, resulting