What Is The Size Of Iceland Litli-Hrútur Fagradalsfjall Meradalir Volcano

Here in this video I have used these optical instruments:
Skywatcher ED80 Pro Series Apochromatic Refractor Telescope Gold Version.
Skywatcher 2 Inch Star Diagonal.
Baader Hyperion 10mm 68 Degrees Eyepiece.
Pentax XW 10mm 70 Degrees Eyepiece.
Televue Delos 10mm 72 Degrees Eyepiece.