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Nikon DSLR Cameras
D7200
D7200 Shutter Problems (slow shutter actuations)
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<blockquote data-quote="nickt" data-source="post: 638540" data-attributes="member: 4923"><p>To get the full benefit of back button focus, you need the settings I describe, but you may find individuals that set them differently for specific needs. For the bbf technique, you want to be able to hold that bb down and get continuous focus on demand. You can keep the button held down to track focus and shoot on demand as well. Its on you to be sure the camera is tracking your subject because the shutter will fire regardless. Or bbf scenario 2 is that you can let the button go after acquiring focus and recompose and shoot. This gives you a pseudo af-s mode. For all that to work though, you must be in af-c and release priority mode. By having your camera in af-s mode, it would be looking to the A2 menu which was likely set for the default of focus priority. Being in focus priority mode along with bbf can put you in a condition where the shutter appears to randomly not fire. In focus priority, the selected focus point MUST see focus. Also in focus priority, holding the bb button down will probably find focus and let you shoot. But if the subject is small, maybe not. It might feel like there is a delay as the focus point falls on and off the small subject. Letting the back button go, it gets even worse. If you recompose or the subject moves, the shutter likely won't fire because the focus point no longer sees focus. If you move the camera around while holding the shutter button and that focus point again randomly falls on something in focus, the camera will fire. This could be the delay or random behavior you were seeing. </p><p></p><p>I hesitate to mention this and add confusion, but if you start experimenting, it will turn up. On the d7200 (not d7000 or d7100 or most other Nikon models), Nikon did a weird thing. If you set the bb to af-on <strong>and</strong> if you are in af-c <strong>and</strong> if menu a4 is off, the menu a1 setting is ignored and you get release priority behavior. They assume to know what you are after and they set release priority for you if all other conditions for bbf are met. This didn't help you because you were set for af-s anyway. I just mention this in case you try to duplicate the problem by turning release priority off and on, you'll have to go back to af-s to see the problem behavior.</p></blockquote><p></p>
[QUOTE="nickt, post: 638540, member: 4923"] To get the full benefit of back button focus, you need the settings I describe, but you may find individuals that set them differently for specific needs. For the bbf technique, you want to be able to hold that bb down and get continuous focus on demand. You can keep the button held down to track focus and shoot on demand as well. Its on you to be sure the camera is tracking your subject because the shutter will fire regardless. Or bbf scenario 2 is that you can let the button go after acquiring focus and recompose and shoot. This gives you a pseudo af-s mode. For all that to work though, you must be in af-c and release priority mode. By having your camera in af-s mode, it would be looking to the A2 menu which was likely set for the default of focus priority. Being in focus priority mode along with bbf can put you in a condition where the shutter appears to randomly not fire. In focus priority, the selected focus point MUST see focus. Also in focus priority, holding the bb button down will probably find focus and let you shoot. But if the subject is small, maybe not. It might feel like there is a delay as the focus point falls on and off the small subject. Letting the back button go, it gets even worse. If you recompose or the subject moves, the shutter likely won't fire because the focus point no longer sees focus. If you move the camera around while holding the shutter button and that focus point again randomly falls on something in focus, the camera will fire. This could be the delay or random behavior you were seeing. I hesitate to mention this and add confusion, but if you start experimenting, it will turn up. On the d7200 (not d7000 or d7100 or most other Nikon models), Nikon did a weird thing. If you set the bb to af-on [B]and[/B] if you are in af-c [B]and[/B] if menu a4 is off, the menu a1 setting is ignored and you get release priority behavior. They assume to know what you are after and they set release priority for you if all other conditions for bbf are met. This didn't help you because you were set for af-s anyway. I just mention this in case you try to duplicate the problem by turning release priority off and on, you'll have to go back to af-s to see the problem behavior. [/QUOTE]
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Nikon DSLR Cameras
D7200
D7200 Shutter Problems (slow shutter actuations)
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