Amazing SVBONY SV215 1.25" 3mm-8mm Planetary Zoom Eyepiece, Unboxing, Review, Daylight Test

In making this video I have used these optical instruments:
Skywatcher ED80 Pro Series Apochromatic Refractor Telescope Gold Version.
Dobsonian mount for Skywatcher Flextube 130P.
SVBONY SV215 1.25" 3mm-8mm Planetary Zoom Eyepiece.
Takahashi EMC LE 7.5mm eyepiece.
BST Starguider ED 8mm eyepiece.

I bought the SVBony 3-8mm zoom from seamless_solutions (4948) In ebay:

https://www.ebay.co.uk/itm/185717992786?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=Iro8oxaBS0C&sssrc=4429486&ssuid=FePkjEzKT4i&var=&widget_ver=artemis&media=COPY

Bill Paolini's review of the SVBony SV215 1.25" 3mm-8mm Planetary Zoom Eyepiece here:

https://theskysearchers.com/viewtopic.php?t=28844

Ernest Maratovitch bench test of the SVBony 3-8mm zoom, both the pre-production (middle of the page) and final product (after middle of the page) here ( translated from Russian using Google translate):

https://astro--talks-ru.translate.goog/forum/viewtopic.php?t=4585&_x_tr_sl=ru&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp&_x_tr_sch=http