6
3)
Set the focus adjustment lever of the camera to MF.
7.
Technical specifications
Focal length
8mm
Max. aperture
F3.5
Negative size
APS-C
Angular field
APS-C (1:1,5x)
180° (diagonal)
APS-C (1:1,6x)
167° (diagonal)
Depth of field
0,3m to
Filter connection
Ø72mm (M72x0,75)
Number of elements
10 elements
Number of groups
8 groups
Dimensions (without hood)
74,8mmx Ø78mm-77,3mmx Ø78mm
Weight (without hood)
approx. 430g
8.
Solve problems
Problem
Possible reason
Solution
Lens cannot be
attached to the
camera
The lens ring mount and
the camera mount are
not aligned
Align the lens ring mount and
the camera mount.
Lens cannot be
detached from
camera
Incorrect rotation
direction
Press the lens release button on
the camera and turn the lens
into the marked direction and
take it out.
Dark image
Incorrect focusing,
insufficient shutter
speed or camera shake
Turn the focus ring while
checking the indication or
checking an object visually, set
the focus until it reaches a clear
point and then press the
shutter. Steady the camera and
take a photograph at a shutter
speed of 1/125 sec.