Nikon Camera D7100 Users Manual

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Image Recording Options
Choose an image area from DX (24×16) and 1.3× (18×12) .
Image Area
OptionDescription
a DX (24×16) Pictures are recorded using a 23.5 × 15.6 mm image area (DX format).
c 1.3× (18×12) Pictures are recorded using a 18.8 × 12.5 mm image area, producing a 
telephoto effect without the need to change lenses (
068, 167).
 The 
camera can also record more images per second during continuous 
shooting ( 058).
Viewfinder display
Photo with DX image  area (24×16) Photo with image...

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Image area can be set using the Image area option in the shooting menu or by 
pressing a control and rotating a command dial ( 065).
❚❚The Image Area Menu
1Select  Image area  in the shooting 
menu.
Press  G to display the menus. Highlight 
Image area  in the shooting menu ( 0224) 
and press  2.
2Adjust settings.
Choose an option and press  J.
AThe Viewfinder Display
The viewfinder display for the 1.3× DX crop is shown at right.
 A  c  
icon is displayed in the viewfinder when the 1.3× DX crop is...

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❚❚Camera Controls
1Assign image area selection to a camera control.
Select  Choose image area  as the “press + command dials” option for a camera 
control in the Custom Settings menu ( 0229).
 Image area selection can be 
assigned to the  Fn button (Custom Setting f2,  Assign Fn button, 0 253), the 
depth-of-field preview button (Custom Setting f3,  Assign preview button, 
0 255), or the  AAE-L /AF-L  button (Custom Setting f4,  Assign AE-L/AF-L button, 
0 256).
2Use the selected control to choose...

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Image Quality and Size
Together, image quality and size determine how much space each photograph 
occupies on the memory card.
 Larger, higher quality images can be printed at larger 
sizes but also require more memory, meanin g that fewer such images can be stored 
on the memory card ( 0348).
Image Quality
Choose a file format and compression ratio (image quality).
Image quality can be set by pressing the  X (T ) button and rotating the main 
command dial until the desired setting  is displayed in...

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The following options can be accessed from the shooting menu. Press the G 
button to display the menus, high light the desired option and press  2.
❚❚ JPEG Compression
Choose the type of compression for JPEG images.
❚❚NEF (RAW) Recording > Type
Choose the type of compression for NEF (RAW ) images.
❚❚NEF (RAW) Recording > NEF (RAW) Bit Depth
Choose a bit depth for NEF (RAW ) images.
OptionDescription
O Size priority
Images are compressed to produce relatively uniform file size.
P Optimal quality...

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Image Size
Image size is measured in pixels. Choose from #Large,  $Medium, or  %Small 
(note that image size varies depending on the option selected for  Image area, 0 63):
Image size can be set by pressing the  X (T ) button and rotating the sub-
command dial until the desired setting  is displayed in the control panel.
Image areaOptionSize (pixels)Print size (cm/in.)*
DX (24×16)Large 6000 × 4000 50.8 × 33.9/20.0 × 13.3
Medium 4496 × 3000 38.1 × 25.4/15.0 × 10.0 Small 2992 × 2000 25.3 × 16.9/10.0 ×...

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Using Two Memory Cards
When two memory cards are inserted in the camera, you can use the Role played by 
card in Slot 2  item in the shooting menu to choose  the role played by the card in Slot 
2.
 Choose from  Overflow (the card in Slot 2 is used only when the card in Slot 1 is 
full),  Backup  (each picture is recorded twice, once to the card in Slot 1 and again to 
the card in Slot 2), and  RAW Slot 1—JPEG Slot 2  (as for Backup , except that the NEF/
RAW copies of photos recorded at settings of...

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Focus
This section describes the focus options available when photographs are framed in 
the viewfinder.
 Focus can be adjusted automatically (see below) or manually ( 078). 
The user can also select the focus po int for automatic or manual focus (075) or use 
focus lock to focus to recompose photographs after focusing ( 076).
To use autofocus, rotate the focus-mode selector to  AF.
Autofocus Mode
Choose from the following autofocus modes:
Autofocus
ModeDescription 
AF-A Auto-servo AF
: Camera...

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Autofocus mode can be selected by pressing the AF-
mode button and rotating the main command dial 
until the desired setting is displayed in the viewfinder 
or control panel.
AF-A AF-S AF-C
AGetting Good Results with Autofocus
Autofocus does not perform well under the conditions listed below.
 The shutter release may 
be disabled if the camera is unable to focus  under these conditions, or the in-focus indicator 
( I ) may be displayed and the camera may sound a beep, allowing the shutter to be...