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The large objective lens offers excellent light-gathering ability
it offers minimal transmission loss and chromatic distortion
Built in 3
as you can take images of faint structures even in star-crowded regions of the Milky Way
Distance of the signal
Retekess TT101 Wireless Tour Guide System Variants:1 Transmitter and 10 Recievers The large objective lens offersRetekess TT101 Wireless Tour Guide System. Retekess Wireless Tour Guide System is a portable long range wireless system used to transmit a message from a presenter to audiences. The presenter speaks into microphone transmitter and the audience use lightweight receivers to hear the message Long transmission distance Working distance can reach about 80m(265ft); church translation system can be used for hearing impaired people in an auditorium
