5
8.
Technical specifications
Focal Length
14mm
Max. Aperture
F2.8
Format
(KB) 24 x 36 mm
Angular Field
35 mm (1:1x)
118.7°(diagonal)
APS-C (1:1,5x)
93,9° (diagonal)
APS-C (1:1,6x)
89,9° (diagonal)
Four-Thirds (1:2x)
76.2 (diagonal)
Focusing Range
to 0,28m
Filter Connection
none
Number of Elements
14 elements
Number of Groups
10 groups
Dimensions (without tele lens hood) Nikon
87mm x Ø 93,6mm
Dimensions (without tele lens hood) Pentax
87mm x Ø 94,6mm
Dimensions (without tele lens hood) Sony
87mm x Ø 95,6mm
Dimensions (without tele lens hood) Canon
87mm x Ø 96,1mm
Dimensions (without tele lens hood) Four-
Thirds
87mm x Ø 101,4mm
Weight (without tele lens hood) Nikon
approx. 530g
Weight (without tele lens hood) Pentax
approx. 530g
Weight (without tele lens hood) Sony
approx. 534g
Weight (without tele lens hood) Canon
approx. 552g
Weight (without tele lens hood) Four-Thirds
approx. 560g
9.
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.
Too dark or too bright
pictures
Inappropriate
exposure
Adjust the aperture size.
