Setting The Focal Length - Ricoh Pentax K-3 Operating Manual

Compatibility with the Built-in Flash
Depending on the lens being used, the use of the built-in flash
may be limited.
Lens
DA FISH-EYE 10-17mm
F3.5-4.5 ED (IF)/
DA 12-24mm F4 ED AL/
DA 14mm F2.8 ED (IF)/
k
FA 300mm F2.8 ED (IF)/
k
DA 560mm F5.6 ED AW/
k
FA 600mm F4 ED (IF)/
k
FA 250-600mm F5.6 ED
(IF)
6 F FISH-EYE 17-28mm
F3.5-4.5
DA 16-45mm F4 ED AL
k
DA 16-50mm F2.8 ED
AL (IF) SDM
DA 17-70mm F4 AL (IF)
SDM
DA 18-250mm F3.5-6.3
ED AL (IF)
DA 18-270mm F3.5-6.3
ED SDM
82
Restrictions when using the
built-in flash
The built-in flash is not available
due to vignetting.
Vignetting may occur if the focal
length is less than 20 mm.
When the focal length is less than
28 mm, or when the focal length
is 28 mm and the shooting
distance is 1 m or less, vignetting
may occur.
When the focal length is 20 mm
or less or when the focal length is
35 mm and the shooting distance
is less than 1.5 m, vignetting may
occur.
When the focal length is less than
24 mm or when the focal length is
35 mm and the shooting distance
is 1 m or less, vignetting may
occur.
Vignetting may occur if the focal
length is less than 35 mm.
Vignetting may occur if the focal
length is less than 24mm.
Lens
k
FA 28-70mm F2.8 AL
FA SOFT 28mm F2.8/
FA SOFT 85mm F2.8

Setting the Focal Length

The Shake Reduction function operates by obtaining the lens
information such as focal length. Set the focal length when
using a lens of which the focal length information cannot be
automatically obtained.
1
Turn the camera off.
2
Attach a lens to the camera and turn the camera
on.
The [Input Focal Length] screen appears.
3
Use AB to set the focal
length.
Press C to select a value from
the list.
When using a zoom lens, select
the actual focal length which the
zoom is set to.
4
Press E.
The camera returns to standby mode.
t Memo
• The focal length setting can be changed in [Input Focal
Length] of the A3 menu.
• When using a lens without an 9 position or a lens with an 9
position with the aperture ring set to a position other than 9,
set [27. Using Aperture Ring] to [Enable] in the E4 menu.
(p.83)
Restrictions when using the
built-in flash
Vignetting may occur if the focal
length is 28 mm and the shooting
distance is less than 1 m.
The built-in flash always
discharges fully.
A3
Input Focal Length Input Focal Length
35 35
mm mm
OK OK