I have had two 16 gig SDHC Sd cards of different makes go bad in the K 7. None have gone bad my K20 or K10. Also the Simga 70 to 200 F2.8 HSM lens, will no longer auto focus, (not that I really use auto focus) using the K 7. The lens will still transmit the f-stop to the camera. This lens is about five months old, I like the lens, but I begin to wander if the K 7 electronics is going haywire..I do also like the K 7, and like to shoot with it on all manual settings. Any thoughts anyone ? Thanks Joe
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