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 10-17 mm
F3.5-4.5 ED (IF)/
DA 12-24 mm F4 ED AL/
DA 14 mm F2.8 ED (IF)/
k
FA 300 mm F2.8 ED (IF)/
k
DA 560 mm F5.6 ED AW/
FA k 600mm F4 ED (IF)/
k
FA 250-600 mm F5.6 ED
(IF)
6
F FISH-EYE 17-28 mm
F3.5-4.5
DA 16-45 mm F4 ED AL
k
DA 16-50 mm F2.8 ED
AL (IF) SDM
DA 17-70 mm F4 AL (IF)
SDM
DA 18-250 mm F3.5-6.3
ED AL (IF)
DA 18-270 mm F3.5-6.3
ED SDM
84
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 24 mm.
Lens
k
FA 28-70 mm F2.8 AL
FA SOFT 28 mm F2.8/
FA SOFT 85 mm 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.85)
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