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What happens when ... D700 question

d700 af-on button

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14 replies to this topic

#1
smoke

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I have had a D700 for several years that I bought to use with my AI-S lenses.  I was using it with a Nikkor Micro 55mm 3.5f on a copy stand for the first time to shoot some fountain pens.  Not paying attention, I had the camera in Manual mode rather than Aperature Priority like I thought.

 

The exposures were not coming out the way I wanted.  Everything being upside down, I got confused about what I was doing and began holding the AF-ON button down (thinking it was the Exposure Control button) and rotating the main command dial. 

 

This was changing the exposure but not in a way that made sense in what I was seeing in the viewfiender.

 

Fairly quickly I realized what I was doing wrong, set the camera to A and started using the exposure control, and got good photos.

 

I would just like to know what the camera was changing with the AF-ON button and Main Command Dial.  I can't find anything in the manual.

 

Thanks



#2
Nikon Shooter

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AF-ON, otherwise known as BBF, will make sense ONLY if the SR no
longer has the task to focus when operating an AF lens.

The Main Command Dial has different functions depending on shooting
mode or other operation like review and you may as well change the di-
rection of the wheel. Manual pp 16 and following.



#3
smoke

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Okay, I'm new to this so some of the TLAs will be new to me.

 

BBF I was able to google up as Back Button Focus.

 

SR means?

 

thanks



#4
Nikon Shooter

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SR means?


Jargon, short fo shutter release… sorry!



#5
Merco_61

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That depends on what function you have assigned to the AF-ON button.

 

On my D700-s, I have bracketing on the ae-l/af-l button, focus on the AF-ON button, exposure lock on shutter half-press, DOF preview on the DOF preview button, spot metering on the FUNC button alone and non-CPU lens selection on the FUNC button + wheel.



#6
smoke

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I figured out what it was doing: changing the shutter speed.

 

Strange combination for that activity, but potentially useful to know.

 

BTW: the camera was using factory default shooting and custom settings.



#7
Bengan

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Jargon, short fo shutter release… sorry!

 

Or it can mean Shake Reduction



#8
Ron

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A change in any of the exposure perimeters should have been shown immediately in the viewfinder (I'm assuming that you use an angle finder with your copy setup).

 

--Ron



#9
smoke

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No, no angle finder.  I'm already working below waist level so one isn't necessary.

 

Something was changing in the view finder, but I thought it was the exposure value.  After sending my original query, I figured out it was the shutter speed.



#10
PebblzNnutz

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No, no angle finder.  I'm already working below waist level so one isn't necessary.

 

Something was changing in the view finder, but I thought it was the exposure value.  After sending my original query, I figured out it was the shutter speed.

In Manual mode the command dials control the shutter and aperture values.



#11
Nikon Shooter

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Or it can mean Shake Reduction


There is, in Nikon terms, VR for… you know what! :P



#12
smoke

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In Manual mode the command dials control the shutter and aperture values.

How do you control aperture values in shutter priority using a lens with no aperture ring?  (Nikon 24-85 mm)



#13
Nikon Shooter

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How do you control aperture values in shutter priority using a lens with no aperture ring?  (Nikon 24-85 mm)

 


The D700 has two dials, one at the thumb (SS) and one
at the index finger for the aperture.



#14
Merco_61

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How do you control aperture values in shutter priority using a lens with no aperture ring?  (Nikon 24-85 mm)

In shutter priority, the body controls the aperture. All non-E AF lenses follow the AiS specification, so the aperture linkage at the back of the lens is indexed to the aperture opening. The lever in the camera moves the corresponding lever in the lens, closing down the aperture as the mirror is raised. For this to work, the aperture must have the full range available. This is why the aperture ring must be in the position for the smallest opening when using a lens with a ring.

 

If you use Ai and AiS lenses mixed with D-type or early AF lenses and want a consistent UI, you can enable the use of the aperture ring.

 

A G-type lens is just a D-type lens without the control ring.

 

In manual, one wheel controls the aperture and the other the shutter speed. Which wheel does what can be personalized using the custom functions.



#15
smoke

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I should have asked what controls the aperture in aperture priority mode.

 

And you answered my question anyway.

 

Thank you!