The Svbony SV215 Clickstop 3-8 mm zoom eyepieces are recommended for planetary observers, as they offer excellent contrast, sharpness and a comfortable 10 mm pupil length. The field of view is 56° and is parfocal over the entire focal range, meaning that there is no need to adjust focus when changing magnification, with very little fine-tuning required.
The zoom eyepiece has a "Clickstop"function at settings 3-4-5-6-7-8 mm, making it easy to see the current position even in the dark.