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Eyepiece Simulator

Apertura AD10 Dobsonian 10" Telescope with AccessoriesM13

Telescope

Looking through

Ethos 13mm

96× • 1.0° • 2.6mm exit pupil

The cluster sits small and unresolved — more power begins to grain it into stars.

Eyepieces

Wide field

Widest views — large nebulae & open clusters

General

Everyday deep-sky & the Moon

Planetary

Planets, double stars & fine detail

›Very high power(1) · Rarely usable — needs exceptional seeing

← 1.0° → true field

100° apparent field

M13

Good fit· Ethos 13mm on the Apertura AD10 Dobsonian 10" Telescope with Accessories

Why this eyepiece?

Try a shorter focal length eyepiece for more detail

The showpiece globular cluster. Small scopes show a fuzzy ball; large apertures resolve thousands of stars.