Handleiding
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The Aperture can be specified by the camera.
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Address:
Phone:
(086)0755-8376 2448
Email:
service@hkyongnuo.com
Website:
www.hkyongnuo.com
Hotline:
400-001-3888
Precautions
Focus Mode Setting
Install and Discharge the Lens
Specification
Install the lens with the red mounting mark direct at the
white lensmounting mark of the camera, then rotate the lens
in clockwisedirection until hearing the sound of"click. If you
want to dischargethe lens, rotate the lens in
counterclockwise direction until it stopunning. (For the
detailed steps of lens installation and dischargeplease refer
to the camera instruction manual)
After discharging the lens, please place the lens back-
endupwards to avoid scratch the lens surface and
electronic.
If the electronic contact is smeared scratched or stained
withfingerprint, may cause corrosion or poor contact. The
cameraand lens might not work properly.
The lens length refers to the distance from the mounting
side tothe lens front end.
Micro 4/3 STANDARD PRIME LENS
YN25mm F1.7M
Unless special stated, the dimension and weight is only
suitablefor lens.
USER MANUAL
Please use soft cloth to wipe it if the electronic contact
issmeared or stained with fingerprint.
Thank you for purchasing YONGNUO product!
Before using the product, please read the instruction
manualcarefully to ensure that you use the product
properly. Please keepthe manual properly for future
reference.
When taking off the lens, please install the dust cover.
Pleaseinstall the dust cover properly: make the mounting
mark on thedust cover direct at the red mounting mark
of the lens, and rotatein clockwise direction. While rotate
in counterclockwise directionto take down the dust cover.
Do not stare at the sun or a bright light source through
the lensor camera, otherwise it may result in impairment
of sight.
Auto-focus(AF): sets the focus mode
switchto AF, then half press the
shutter AF.
Whether the lens installed on the camera or not, do not
place thelens which without lens cover in the sun.
Otherwise the lens maygather light and result in a fire.
When not in use, please cover thelens cover.
In AF automatic process, if the
focus ring is rotated, the focus
mode will be changed to MF
mode.
Maintenance and Saving Precautions
Manual focus ( MF ) : the focus
mode switch is set to MF , then
turn the focusing ring to focus in
the manual.
Should avoid collisions or placed directly in extreme
heat, cold or wet environment.
For long-term storage, please select the cool, dry and
ventilatedplace. In order to protect the film of lens, it is
suggested that farfrom the insect-resistant pill or insect
pill emit gases.
Filter (optional accessories)
You can install a 52mm filter via the lens front mounting
screwthread.
Contaminant or fingerprint on the lens can be cleaned
with slightdamp soft cleaning cloth or lens paper, do not
use solvents, ben-zene or other organic cleaner.
Only one filter can be installed each time.
Troubleshoot
In spite it has been adjusted to most clear bymanual
focus, the image is still vague.
The lens is not waterproof, rain or close to the water
must beespecially careful when using, do not get wet. If
the internalparts, lens and electronic components was
damaged due to wet,it may cause unlikely to repair.
There is a protective film in each side of the lens when
leaving thefactory. Please tear them before use: besides,
please check if thecontaminant or fingerprint on the
booth sides of the lens, if existplease clean with slight
damp soft lens cloth or lens paper.
Temperature mutations could make the surface of the
lenscondense to fog or water droplets, so when the
weather was coldinto a warm indoor environment, it is
suggested to place the lensinto the sealed plastic bag,
until the lens temperature close toroom temperature.
When the lens from the heat to the coldnvironment, also
please use the same method.
Working Parts Introductions
Abnormal communication when the lens installedon
the camera.
The functions and data of this manual are based on test
conditionsof our company. If any changes in the design
and specifications willwithout notice.
Please make sure the lens in proper installation: Please
checkthe contact on the lens and camera is dirty or
scratched or notPlease use soft cloth to wipe if it is dirty.
Please return to factory formaintenance if with scratches.
The YONGNUO logo in this manual is the trademark of
ShenzhenYONGNUO Photographic Equipment Co, Ltd.
and registeredtrademark in China or/and other countries
(regions). All othertrademarks are the property of their
respective owners.
Other abnormal phenomena.
Please try to turn off the camera and take out the
battery, theninstall the battery to restart the power
supply. If there are stillabnormal, please contact
YONGNUO after-sale service center400-001-3888 or
send email to service(@hkyongnuo.com
Shenzhen YONGNUO Photographic Equipment Co, Ltd
Building A, Shenfubao modern optics factory,
KengziStreet Pingshan District, Shenzhen, China
Always lose focus when using Auto focus to take
photos.
Part of the cameras supports fine tuning function. Please
enter intothe function and make sure the focus fine-
tuning value is set to0. for the detail setting method,
please refer to your camera manual.
The electronic edition of this user manual can be
acquired from www.hkyongnuo.com
V1.1
① Focus ring ③ Lens mounting mark
② Focus mode switch ④ Electronic contact
25mm
（35mmEquivalent focal length：50mm）
Diagonal 49.4°
Vertical 30.4°
Horizontal 39.9°
6 groups 7 elements
7blades
F1.7-F22
20cm
0.2times
SMT
52mm
Approx.φ60.8×66.6mm
Approx.150g（No front and rear lens caps）
Min.focusing distance
Focal length
Angle of view
Lens construction
Aperture blades
Aperture value
Max.magnification
Driving system
Filter diameter
Max.diameter and length
Weight
Bekijk gratis de handleiding van Yongnuo YN25MM F1.7M, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Yongnuo |
| Model | YN25MM F1.7M |
| Categorie | Lens |
| Taal | Nederlands |
| Grootte | 888 MB |
