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<blockquote data-quote="frogwash" data-source="post: 163048" data-attributes="member: 14795"><p>Thanks all...&nbsp;&nbsp; Mechanically it fits perfect.&nbsp; The bayonet is identical from the J1 thru the J3.&nbsp; I have not looked at the electronic contacts inside the opening where the lens mounts (or to see if there are any) on the J1 &amp; J2.&nbsp; But there is an array of them inside the mount on the camera and matching contacts on the lens that make electrical contact when the lens is mounted.&nbsp; I will try the firmware upgrade and see if that solves it.&nbsp; I would think there would be a setting within the camera software I could change telling it to bypass a lens without an automatic aperture feature.&nbsp; Makes sense to me!&nbsp; I assume that is what the contacts are for.&nbsp; Am I wrong?&nbsp; Mechanically it is perfect though.&nbsp; I picked up this camera mainly because it is small in form factor...&nbsp; we are motorcycle riders and take lots of rides and vacations.&nbsp; Wanted something a bit more flexible and portable but not just a point and shoot.&nbsp; Also thought it would be nice to be able to use these nice lenses that have been sitting around for years!!</p></blockquote><p></p>

[QUOTE="frogwash, post: 163048, member: 14795"] Thanks all... Mechanically it fits perfect. The bayonet is identical from the J1 thru the J3. I have not looked at the electronic contacts inside the opening where the lens mounts (or to see if there are any) on the J1 & J2. But there is an array of them inside the mount on the camera and matching contacts on the lens that make electrical contact when the lens is mounted. I will try the firmware upgrade and see if that solves it. I would think there would be a setting within the camera software I could change telling it to bypass a lens without an automatic aperture feature. Makes sense to me! I assume that is what the contacts are for. Am I wrong? Mechanically it is perfect though. I picked up this camera mainly because it is small in form factor... we are motorcycle riders and take lots of rides and vacations. Wanted something a bit more flexible and portable but not just a point and shoot. Also thought it would be nice to be able to use these nice lenses that have been sitting around for years!! [/QUOTE]

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