Samyang 7.5mm f/3.5 Micro Four Thirds handleiding

Samyang 7.5mm f/3.5 Micro Four Thirds

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Merk
Samyang
Model
7.5mm f/3.5 Micro Four Thirds
Product
Lens
Taal
Engels
Bestandstype
PDF
Instruction Manual
Thank you for purchasing SAMYANG lens.
We believe that this new 7.5 mm 1:3.5 UMC FISH-EYE MFT lens will
provide a special photographic experience.
The 7.5 mm 1:3.5 UMC FISH-EYE MFT lens has a compact size and
provides easy portability owing to an optical design optimized for Micro
Four-Thirds cameras, and is able to implement special images when taking
photos of a subject that is close as well as far away.
The 7.5 mm 1:3.5 UMC FISH-EYE MFT lens for photography is designed
with its own mount. You can easily take photos without installing an
additional adapter, mounting the lens directly onto the camera.
Read this instruction manual carefully and use it properly.
Please read the ‘Safety Precautions’ at the back of this instruction
manual prior to use.
Features of 7.5 mm 1:3.5 UMC FISH-EYE MFT
1. Optical design for the image size for digital MFT only (1:2x)
2. Corrects aberrations using three Extra-low Dispersion lens and one
complex aspherical lens and, at a fully opened position, produces high
resolution and high contrast at the center of the lens as well as around
the periphery of the lens.
3. Flower-shaped lens hood and multi-coating suppress flaring and
ghosting.
Read this instruction manual prior to use.
7.5 mm 1:3.5 UMC FISH-EYE MFT
1. Component Names
[Figure]
[Aperture adjustment ring markings]
Hood
Aperture adjustment ring
Focusing ring (distance scale)
Lens attachment reference point
Distance scale point
Mount
The 7.5 mm 1:3.5 UMC FISH-EYE MFT lens mount is uniquely designed for
Olympus (MFT) and Panasonic (MFT).
[Attaching]
Hold the hood locking area of the lens gently, align the depth of field scale of the
lens with the lens attachment reference point on the camera, push the lens into the
camera and turn the lens gently until it makes a clicking sound and the distance
scale is positioned at the upper part of the camera.
[Detaching]
Hold the hood locking area of the lens gently, press the lens release button on the
camera, turn the lens in the opposite direction of the attaching direction to detach
the lens.
The aperture of the 7.5 mm 1:3.5 UMC FISH-EYE MFT lens is not geared to the
camera.
If the brightness (F-number) is set to 8 or larger, you may not be able to focus the
subject properly because it is difficult to see the subject through your camera
viewfinder. Therefore, when this lens is attached to your camera, turn the aperture
adjustment ring to fully open the aperture and check that the focus is correct; then
readjust the aperture to set the depth of field and brightness you want. Then take
your photograph.
The 7.5 mm 1:3.5 UMC FISH-EYE MFT lens has a diagonal angle of view of 180
degrees and therefore one can take fun pictures when using it with one’s personal
expressions.
Its short focal length and 180 degree angle of view allows you to take wide-angle
landscape pictures. Therefore, it is very useful for capturing landscapes.
The shutter speed of some Olympus (MFT) and Panasonic (MFT) cameras
changes automatically if the shooting mode dial is set to A and the brightness is set
by turning the aperture adjustment ring. Therefore the shutter speed is not required
to be set additionally as with the M mode.
1) Set the camera mode dial to 'M'.
2) Adjust the shutter speed by turning the dial to achieve the appropriate exposure
for the brightness.
2. Attaching and Detaching to/from Camera 5. Camera Settings 8. Troubleshooting
9. Safety Precautions
6. About Photography
7. Specifications
You can set the focus for a subject by turning the focus adjustment ring when
using the 7.5 mm 1:3.5 UMC FISH-EYE MFT lens,
as it is a Manual Focus (MF) adjustment lens.
[Olympus (MFT), Panasonic (MFT) Mount]
To change the focus from a subject that is far away to a subject that is close
Turn the focusing ring to the left (from ∞ to 0.09) and focus on the clearest
subject using the indication signal in the camera, or by checking the LCD.
To change the focus from a subject that is close to a subject that is far away
Turn the focusing ring to the left (from 0.09 to ∞) and focus on the clearest
subject using the indication signal in the camera, or by checking the LCD.
You can set the brightness you want by turning the aperture adjustment ring
when using the 7.5 mm 1:3.5 UMC FISH-EYE MFT lens.
4 to 22 are 1 stop (1 EV) away from each other. Brightness can be set more
precisely by using the stop setting in between (3.5 to 4 are 0.5 stop).
ex)
5.6 to 8 are 1 stop (1 EV) away from each other.
Set a brightness between 5.6 and 8, which is 0.5 of a stop (0.5 EV) between
the two.
3. Focus Adjustment
4. Brightness Control
Symptom
A lens can't be attached
to the camera.
The reference point on the lens is not aligned
with the lens attachment reference point on
the camera.
Incorrect rotation direction for detaching
the lens. If you turn the lens while holding
the camera, it may cause damage to the lens.
Incorrect focus.
Insufficient shutter speed or unsteady camera.
Autofocus failed with a manual control
focus lens.
Inappropriate exposure
As this lens is optimized for MFT size images,
the periphery gets dark when using a digital
camera for 1:1 size images.
The manual control lens may not be
compatible, depending on the camera.
This lens is a single lens.
This lens hood and the lens body are a fixed
type, so the lens hood can’ t be detached.
This lens is designed for a specific mount.
Our converter is designed for the T
(M42 screw) mount only. Therefore, it cannot
be used with this lens.
This lens doesn't have an electric contact
signal, so there is no communication
with the camera through electric signals.
Use a digital camera for MFT size images.
See the camera manual.
This does not indicate that there is a problem
with shooting.
Purchase the required lens mount.
Use each company's own mount converter.
But autofocus is not available.
Set the focus by turning the focusing ring.
Adjust the aperture size.
Turn the focusing ring while checking the subject
with the indicator in the camera or checking visually
to set the focus until the subject is clear, and then
press the shutter. Steady the camera and take a
photograph at a shutter speed of 1/125 secs.
Align the reference point on the lens with the lens
attachment reference point on the camera.
Hold down the lens release button on the camera,
gently turn the lens toward the lens attachment/
detachment reference point marked on the camera,
and then pull the lens away.
I cannot detach the lens
from my camera.
Dark image
Autofocus failure
Zoom failure
The lens hood can’t be
detached.
This lens can't be mounted
on other cameras.
I want to attach your 2X
or 1.4X converter lens.
Pictures too dark or
too bright
The camera flash is not
geared to the camera.
The camera finder
indication or there is no
display.
The periphery gets dark
when using a manual
camera or a digital camera
for 1:1 image sensor.
Cause Action
WARNING!
Don't get this product wet or expose it to a moist environment. It may cause a fire or
electric shock.
CAUTION!
Don't use this product or store it close to devices that generate heat, i.e., heaters,
thermal regulators, stoves, stereo amplifiers.
Don't leave the lens in conditions where drastic temperature changes can occur.
Don't touch the surface of the lens with your hand, and avoid making contact with
sharp objects.
Avoid dropping the lens.
Don't let the lens get wet, and avoid water splashing onto the lens.
If there are foreign bodies on the lens, use a lens cleaning kit only.
If the hood is cut, the surface of the lens may touch the floor directly and thus may
be scratched or broken.
WARNING
CAUTION
If this instruction is not
followed, it may cause death
or severe injury to the user.
If this instruction is not
followed, it may cause death
or severe injury to the user.
The following precautions are divided into two types
according to the level of danger.
WARNING CAUTION
Don't look at the sun
through the lens. It may
cause blindness.
Attach the lens to the
camera correctly and
ensure the lens is held in place
properly; otherwise the lens may
not be removable, or may
become loose and cause an
accident.
Don't put excessive pressure
on the lens attached to the
camera; otherwise it may
cause damage to the lens or
to the camera mount. Be sure to
hold the lens when operating or
moving.
Ensure that the camera
operates properly by
checking the lens beforehand or by
test shooting for important events
such as a
wedding
ceremony
and an
overseas
trip.
Don't leave the lens within
reach of babies, as it may
cause injury to the baby if the
lens falls or is dropped.
Don't attempt to modify or
alter the lens. It may lead
to failure of the camera. Modified
or altered lenses may not be
repaired.
Don't leave the lens in
direct sunlight. It may
cause a fire, depending on
lenses that concentrate
light on a close object.
Don't look at the sun
directly through a camera
with a lens attached. It may
cause damage to
one's eyesight.
Tick
The following pictograms are used in the below precautions:
Requires caution. Inside the pictogram it shows contents of precautions.
(It shows outbreak of fire in the pictogram on the left.)
Shows prohibition. Inside the pictogram it shows contents of prohibition.
(It shows prohibition of dismantling in the pictogram on the left.)
Shows instruction. Inside the pictogram it shows contents of instructions.
(It shows instruction of precaution in the pictogram on the left.)

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