?? ???? ???? ?? ?? ?????? ???? ???? ????, ?? ????? ??? ??? ??? ????.?????? ???????. ??????? ??? ??? ???? ??? ??? ????? ????.???? ??? ???? ??? ???? ?? ??? ??? ??? ?????.????? ?? ??, ??? ???, ?? ???, ??? ???, ?? ?? ???, ?? ?? ???, ??? ??, ?????, ???? ???, ?? ???, ???? ???????? ?? ?? ??? ??? ?? ??? ?? ? ??? ???? ??? ??? ?? ??? ?? ??? ???? ????. ?? ???

Useful lens assemblies can also incorporate mechanisms to manage measuring light-weight, secondary apertures for flare reduction,[nine] and mechanisms to carry the aperture open until eventually the moment of exposure to allow SLR cameras to focus using a brighter image with shallower depth of field, theoretically letting superior concentrate accur

?????(glass_seochang2) ?? ?????? ??? ????? ?? ?????????, ?????, ??????, ?????, ????, ????, ??????, ??????, ?????, ????? ???????? ??? ?? ???? ???? ? ?? ?? ???(??, ??, ?? ??? ?? ??? ? ????, ??? ?? ???) ? ??·?? ???? ? ???? ?? ??? ?? ?? ???.?????? ? ??? ???? ? ???, ? ?? ???? ??? ??? ???? ???? ??? ??? ? ????.???? ???? ?? ???? ???? ???? ?? ?? ??, ???? ?

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