Nikon 25515 User Manual - Page 29

Getting Good Results with Autofocus, The AF-Assist Illuminator

Get Nikon 25515 PDF manuals and user guides View all Nikon 25515 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 29 highlights

Basic Photography During Recording While pictures are being recorded to the memory card, a (recording) or (wait) icon will be displayed in the monitor or electronic viewfinder. The camera can continue to take pictures until the icon is displayed. Do not turn the camera off, eject the memory card, or remove or disconnect the power source while the or icon is displayed. Cutting power or removing the memory card in these circumstances could result in loss of data or in damage to the camera or card. Low Battery If the flash fires when the low battery icon is displayed, the monitor will turn off while the Speedlight recharges. The AF-Assist Illuminator If lighting is poor when the shutter-release button is pressed halfway, the built-in Speedlight will pop up and the AF assist illuminator will light, allowing the camera to focus even when the subject is poorly lit. The AF-assist illuminator has a range of about 1.2 m (3´11˝). The AF-assist illuminator will not light if: • The built-in Speedlight is obstructed, preventing it from popping up (note that the AF-assist illuminator may light even when the flash is off; be careful not to obstruct the Speedlight while shooting) • Focus mode ( 37) is set to (infinity) • (Portrait), (Night Portrait), or (Close up) or is selected in scene mode ( 24-26) or Manual is chosen for Focus options > AF area mode ( 93) and the center focus area is not selected • (Landscape), (Night landscape), or (Fireworks show) is selected in scene mode ( 25-26) • A setting other than Time-lapse movie is selected in movie mode ( 49) • Manual is selected for Speedlight opt. > Pop up ( 96) and the built-in Speedlight is lowered Getting Good Results with Autofocus Autofocus performs best when there is contrast between the subject and the background and the subject is evenly lit. It does not perform well if the subject is very dark or moving rapidly, if there are objects of sharply differing brightness in the scene (e.g., the sun is behind your subject and their features are in deep shadow), or if there are several objects at different distances from the camera at the center of the frame (e.g., your subject is inside a cage). 19

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
19
Basic Photography
During Recording
While pictures are being recorded to the memory card, a
(recording) or
(wait) icon
will be displayed in the monitor or electronic viewfinder.
The camera can continue to
take pictures until the
icon is displayed.
Do not turn the camera off, eject the
memory card, or remove or disconnect the power source while the
or
icon is
displayed
.
Cutting power or removing the memory card in these circumstances could
result in loss of data or in damage to the camera or card.
Low Battery
If the flash fires when the low battery icon is displayed, the monitor will turn off while
the Speedlight recharges.
The AF-Assist Illuminator
If lighting is poor when the shutter-release button is pressed
halfway, the built-in Speedlight will pop up and the AF as-
sist illuminator will light, allowing the camera to focus even
when the subject is poorly lit.
The AF-assist illuminator has
a range of about 1.2 m (3´11˝).
The AF-assist illuminator will
not light if:
• The built-in Speedlight is obstructed, preventing it from popping up (note that the
AF-assist illuminator may light even when the flash is off; be careful not to obstruct
the Speedlight while shooting)
• Focus mode (
37) is set to
(infinity)
•
(Portrait),
(Night Portrait), or
(Close up) or is selected in scene mode (
24–26)
or
Manual
is chosen for
Focus options
>
AF area mode
(
93) and the center focus
area is not selected
•
(Landscape),
(Night landscape), or
(Fireworks show) is selected in scene mode
(
25–26)
• A setting other than
Time-lapse movie
is selected in movie mode (
49)
•
Manual
is selected for
Speedlight opt.
>
Pop up
(
96)
and the built-in Speedlight is
lowered
Getting Good Results with Autofocus
Autofocus performs best when there is contrast between the subject and the back-
ground and the subject is evenly lit.
It does not perform well if the subject is very dark
or moving rapidly, if there are objects of sharply differing brightness in the scene (e.g.,
the sun is behind your subject and their features are in deep shadow), or if there are
several objects at different distances from the camera at the center of the frame (e.g.,
your subject is inside a cage).