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<blockquote data-quote="Brian" data-source="post: 254365" data-attributes="member: 17621">I had one &quot;bizarre&quot; fluke with the Df- using with a Deckel adapter and Schneider Xenon 50/1.9: the mirror would hang after the exposure on Single Shot mode, but work perfectly in &quot;Quiet Mode&quot;. The latter has the mirror return when you specifically let up on the shutter release. This could be a firmware issue, I need to verify that the adapter does not somehow made contact with the lens contacts. I just use the camera in &quot;Q&quot; with this lens. Another case of cleverly hitting buttons and turning knobs until the device does what I want it to. The mirror clears the end of the lens.If the problem is with Lubricant, it might be &quot;birthing problems&quot; to get amounts and types correct. I've had my Df out in very cold weather for a few hours at a time. I had a Nikon S3 (circa 1958, horizontal cloth shutter) that developed capping problems in less cold than the Df was used without problems. Of course, easier to flood clean the S3. Never had an F or F2 do this to me.</blockquote>

[QUOTE="Brian, post: 254365, member: 17621"] I had one "bizarre" fluke with the Df- using with a Deckel adapter and Schneider Xenon 50/1.9: the mirror would hang after the exposure on Single Shot mode, but work perfectly in "Quiet Mode". The latter has the mirror return when you specifically let up on the shutter release. This could be a firmware issue, I need to verify that the adapter does not somehow made contact with the lens contacts. I just use the camera in "Q" with this lens. Another case of cleverly hitting buttons and turning knobs until the device does what I want it to. The mirror clears the end of the lens. If the problem is with Lubricant, it might be "birthing problems" to get amounts and types correct. I've had my Df out in very cold weather for a few hours at a time. I had a Nikon S3 (circa 1958, horizontal cloth shutter) that developed capping problems in less cold than the Df was used without problems. Of course, easier to flood clean the S3. Never had an F or F2 do this to me. [/QUOTE]

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