▁are ▁available ▁for ▁the ▁Sony ▁E - mount ▁and ▁Micro ▁Four ▁Third s ▁digital ▁camera . ▁ ▁Early ▁versions ▁of ▁the ▁G 1 ▁could ▁only ▁accept ▁the ▁four ▁original ▁l enses ▁( 1 6   mm , ▁ 2 8   mm , ▁ 4 5   mm , ▁and ▁ 9 0   mm ). ▁A ▁modified ▁R OM ▁was ▁required ▁to ▁use ▁aut of ocus ▁with ▁the ▁ 2 1   mm ▁and ▁ 3 5   mm ▁l enses ; ▁modified ▁G 1 ▁cam eras ▁are ▁marked ▁with ▁a ▁green ▁st icker ▁inside ▁the ▁film ▁door , ▁and ▁are ▁known ▁as ▁" green ▁label " ▁G 1 s ▁to ▁distinguish ▁them ▁from ▁un mod ified ▁" sil ver ▁label " ▁G 1 s . ▁No ▁G 1 ▁could ▁accept ▁the ▁ 3 5 – 7 0   mm , ▁as ▁it ▁was ▁a ▁seven ▁contact ▁elect rical ▁connection ▁and ▁the ▁G 1 ▁only ▁features ▁five ▁contacts . ▁ ▁Because ▁the ▁view find er ▁was ▁limited ▁to ▁the ▁angle ▁of ▁view ▁corresponding ▁to ▁the ▁ 2 8   mm ▁Bi og on , ▁the ▁ 1 6   mm ▁H olog on ▁and ▁ 2 1   mm ▁Bi og on ▁l enses ▁were ▁each ▁bund led ▁with ▁a ▁separate ▁access ory ▁view find er ▁that ▁mounted ▁in ▁the ▁hot sh oe . ▁ ▁Notes ▁ ▁Access ories ▁Cont ax ▁market ed ▁a ▁line ▁of ▁access ories ▁dedicated ▁for ▁the ▁G ▁series ▁of ▁cam eras ▁and ▁l enses . ▁ ▁Back