SVBONY CA1 1.25″ Telescope Extension Tube – All-Metal electronic eyepiece camera Answers : Call button can

Answers : Call button can meet the normal use of the restaurant

75 Lens Structure 3 elements / 2 groups Lens Coating FMC Blackened Lens Edges Yes Net Weight 164 g / 5

vibration + buzzer + LED flashing light

Replaceable battery for pagers

The Svbony SV105 is a simple

SVBONY CA1 1.25″ Telescope Extension Tube – All-Metal electronic eyepiece camera Answers : Call button canSVBONY CA1 1. 25 Extension Tube is a compact all metal adapter designed to increase the optical path length between a telescope and eyepiece or camera. It is commonly used to achieve correct focus in astrophotography and visual observing setups where additional back focus is required. Key Features Improved focusing flexibility Adds additional optical length to help achieve precise focus when the focuser travel alone is insufficient. All metal