FR15-F(F15), FR30-C(C30) imagwira ntchito ndi dynamic focus system control, itha kugwiritsidwa ntchito mu SLS, SLM. Pamene kuchuluka kwa zigawo zogwirira ntchito kukuchulukirachulukira, olamulira amphamvu amawongolera bwino zomwe akuyang'ana ndikusintha malowo munthawi yeniyeni.
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