SVBONY SV545 Telescope Petzval Lens APO, F4.5, 203mm Focal Length, Built in Field Flattener, Professional Refractor Telescope Supports EAF(not Included), M48 Thread for Full Frame Astrophotography
44mm large image circle: full-frame support with a 44mm large image circle delivers edge-to-edge sharpness; ideal for SV545 Astrophotography Telescope users capturing professional deep-sky images
Wide-field & high-efficiency imaging: capture expansive star fields with the SV545 Astrophotography Telescope; Its 203mm focal length and fast f/4.5 aperture deliver high-efficiency imaging; maintaining stable performance in low-light conditions
Precision petzval optics: SV545 Petzval lens features a 3-group; 5-element APO design that dramatically reduces chromatic aberration; Each frame delivers sharp stars and accurate color rendition
Built in field flattener for edge-to-edge sharpness: SV545 Petzval lens features a built-in field flattener that corrects field curvature and minimizes optical distortion; Every corner stays tack-sharp; even on a Full Frame Astronomy Camera
Precision focusing made easy: SV545 triplet refractor telescope features an integrated helical focuser for smooth; precise manual control; It also supports EAF electronic focusing for remote; automated operation
