Struggling with D7100

Started Feb 9, 2014 | Questions thread
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Re: Do not forget
In reply to Mako2011, Feb 11, 2014

Mako2011 wrote:

Westmill wrote:

It should be noted that you can fine tune more than one lens and that the camera knows which lens is fitted. So it is a simple case of set and forget. I have one D7100 with the Sigma 18-35 f1.8 attached. That is the only lens that was OK and did not need fine tuning.

Do not forget to actually "turn off" the AF fine tune feature when a lens that does not require tuning is mounted as it being enabled can (rare case) adversely affect focus in some situations.

Are you implying that AF fine tune of 0 is different than AF fine tune off?

If so, can you explain why that is?

Shoot the wall at an angle ! about 35 -45 degrees will do. No point in shooting a wall flat on. When you have finished, you can check by taking two shots of the wall flat on... First shot using live view and the second shot as normal. If the lens is correct then it will be hard to see any difference.

Do not check focus or determine focus using an angled subject. The horizontal and vertical nature of the arrays (center of array does not always lock focus) can make using a angled target give false results. CDAF will always lock on to where you pointed it at...not the case with PDAF.

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Nikon D7000 + Nikkor 18-105 + Nikkor 50mm f1.8g +Tamron 70-300 VC + Nikkor 12-24 f4

 autre_pensee's gear list:autre_pensee's gear list
Nikon D7000 Nikon AF-S DX Nikkor 18-105mm f/3.5-5.6G ED VR Nikon AF-S DX Nikkor 12-24mm f/4G ED-IF Tamron SP 70-300mm F/4-5.6 Di VC USD Nikon AF-S Nikkor 50mm f/1.8G +1 more
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