Pay in 4 interest-free payments of $7.50 Learn more
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
3 nm) is almost invisible to the human eyes
45 μm pixel size
ideal for observation and photography
0 × 57mm Lens Groups / Elements 2 groups / 4 elements Lens Coating Fully Multi-Coated (FMC) Material All-metal housing with rubber eyecup Thread Size M28
Improved colour separation with suppression of mercury and sodium lines
SVBONY SV135 7–21mm Zoom Eyepiece (1.25″, 52°–36° AFOV) astronomy imaging 3 nm) is almost invisibleThe SVBONY SV135 721mm Zoom Eyepiece (1. 25") is a practical and affordable zoom eyepiece designed for astronomers who want flexible magnification without constantly changing eyepieces. Covering a useful 7mm to 21mm focal length range, it is well suited to lunar, planetary, and brighter deep sky observation. Key Features 721mm zoom eyepiece adjust magnification smoothly without swapping eyepieces 5 element 3 group optical design using high index glass
