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<blockquote data-quote="Millie" data-source="post: 228356" data-attributes="member: 17872">Problems solved by buying two Nikon 18-140 lenses !!!&nbsp; A conversation with Sigma was non productive and caused panic when I was asked for the serial number and I replied ,,&quot; I will just go get the lens from the studio&quot;Basically they say there is no problem the display just stays on...but it is a problem as battery life is reduced to about 1/3.....perhaps you could e mail&nbsp; and we will find out from Japan......oh thats why I am ringing because you did not reply to my e mail..The question &quot; if I have it re programmed for a D5300 will that solve the problem as you say a reprogrammed lens will still work with all Nikons&nbsp; &quot; got a response that they dont have the re programming software yet ....!!!!You see its easy for nikon ..the firmware detects the particular Nikon lens and then goes to the sub routine that suits that lens ..but when it finds a sigma lens I assume it goes to some basic sub routine nikon is not really bothered about the functionalliy of or has irritating flaws,,,,I think that Nikon is trying to get the message out that Sigma lenses may/will give you problems if not now in the future&nbsp; so best buy Nikon....</blockquote>

[QUOTE="Millie, post: 228356, member: 17872"] Problems solved by buying two Nikon 18-140 lenses !!! A conversation with Sigma was non productive and caused panic when I was asked for the serial number and I replied ,," I will just go get the lens from the studio" Basically they say there is no problem the display just stays on...but it is a problem as battery life is reduced to about 1/3.....perhaps you could e mail and we will find out from Japan......oh thats why I am ringing because you did not reply to my e mail.. The question " if I have it re programmed for a D5300 will that solve the problem as you say a reprogrammed lens will still work with all Nikons " got a response that they dont have the re programming software yet ....!!!! You see its easy for nikon ..the firmware detects the particular Nikon lens and then goes to the sub routine that suits that lens ..but when it finds a sigma lens I assume it goes to some basic sub routine nikon is not really bothered about the functionalliy of or has irritating flaws,,,,I think that Nikon is trying to get the message out that Sigma lenses may/will give you problems if not now in the future so best buy Nikon.... [/QUOTE]

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