ULTRA WIDE-HELIAR 12mm F5.6 Aspherical III
E-mount
INSTRUCTION MANUALCOSINA CO., LTD.

Jan 2018, Ver 1.3

Voigtländer E-mount lenses are designed for use on E-mount camera
body. The lenses cover the full frame format. They are manually controlled
lenses so the user sets focus and aperture - the built-in CPU will transmit
the information to the camera body to give the user Exif-data, anddepending on the specification of the camera Auto-lens-correction, 5axis-Image Stabilization as well as Manual-Focus Assist.

Features of Voigtländer E-mount lens
■ Built-in CPU for Full Frame E-mount camera bodies■ Lens Construction Design for Digital Sensor■ All Metal Lens Barrel for long life
■ Smooth Focus Ring for precise focusing

Tips for lens care and safety
These tips are to protect the user from injury or damaging the lens.

WARNING

If the user ignores this warning sign and uses the equipment
the wrong way serious injuries and even death might be theresult.

CAUTION

If the user ignores this caution sign it might result in injuries
and damage the equipment.

WARNING

Never look directly at the sun with a telephoto lens as thiscan damage your eyes.

CAUTION

Keep the lens, camera and accessories out of reach ofchildren.

CAUTIONStore the lens away from direct sunlight and always store
the lens with lens-cap on. Failure to do so can create a firehazard.

Never touch the lens surface. In case it is dirty or dusty use
commercial lens cleaner or appropriate lens cleaning cloth.

Description of Parts① Lens Hood
② Aperture Ring
③ Aperture Control Ring
④ Focusing Ring
⑤ Distance Scale⑥ Mount Index⑦ Mount⑧ Aperture Scale⑨ Aperture Index⑩ Distance Index⑪ Depth of Field Scale⑫ Depth of Field Ring①②⑧③⑨④⑤⑥⑦⑩⑪⑫

● How to attach/detach the lensPlease refer to the instruction manual for your camera for how to attach/detachthe lens.
* Please make sure to set the power of the camera to “OFF”.

Please hold Depth of Field Ring ⑫ to attach/detach the lens. To attach/detachthe lens while holding other parts of the lens barrel can damage the lens.

● Selective Aperture Control System

You can choose two modes – with or without Click Stops - on the Aperture
Control Ring.
1. Push the Aperture Control Ring ③ towards the Aperture Ring ② .
2. Turn the Aperture Control Ring ③ 180 degrees.
3. Make sure to align the 2 indexes ⑨ and ⑩ .
* If the white mark on the Aperture Control Ring ③ is in line with the indexes, the lens isin Click Stop-mode. The yellow mark indicates the Clickless-mode.

How CPU/Contact works
1. Exif Data

Picture can store the Exif data of lens.
(For example, if you use Voigtländer 12mm F5.6 E-mount)Lens

E 12mm F5.6 or Voigtlander
ULTRA WIDE-HELIAR 12mm F5.6 III
Aspherical* Description may be changed depending
on firmware version or other factors.

Focal length

12mmMaximum Aperture

F5.6Aperture

The aperture value you used to takethe picture* Some camera bodies can not transmit data correctly.

2. Lens Correction Data

The lens stores the data for lens correction. You can set Auto Lens
Correction on camera bodies;
Fall off
Auto / Off
Chromatic Aberration

Auto / OffDistortion

Auto / Off*O n some camera bodies, you can not choose Auto Lens Correction Mode. Inthat case, a setting depends on the camera.

3. Manual Focus Assist

Magnified Live View Image will be seen on the camera's LCD screen
when the camera detects the Focus Ring rotation. You can choose
duration of the mode by MENU of camera body. Please refer to theinstruction manual of your camera.
*O n some camera bodies, you can not use this function.

4. Focus Distance Setting

Focus Distance Setting Indication can be seen on the camera's LCD
display when the Focus Ring rotation is detected by the camera.
* Please set “MF Mode” to use this function.
* On some camera bodies, you can not use this function.

5. 5-Axis Image Stabilization

The Ultra Wide-Heliar 12mm F5.6 III E-mount lens is compatible withE-mount cameras with built-in multi-axis Image Stabilization.

● Specifications
Product NameULTRA WIDE-HELIAR 12mm F5.6 Aspherical III

Focal Length
Maximum Aperture
Minimum Aperture

12mmF5.6
F22Lens Construction
Angle of View
Aperture Blade

10 groups 12 elements
121°10

Minimum Focus
Macro Ratio
Filter0.3m
1:19.2(Due to the extreme angle view of the Ultra Wide-Heliar
12mm F5.6 conventional screw in filters can not beused.)

Maximum Diameter

Approx. Ø67.4mm

LengthWeightApprox. 68.3mm
Approx. 350g

Mount
Aperture Ring
Electric Contact

E-mount
Available (Manual Setting)(1/3 stop increments)
Available

Manual Focus Assist
Exif Data

Available
Available* Specification and information is subject to change without prior notice.

● Specifications
Auto Lens Correction

Possible

5-Axis Image Stabilization

Possible

Other

Selective Aperture Control System

Lens Hood
Supplied Accessory

Integrated lens hoodPressure Fit Front Cap, Rear Cap* only on camera body with 5-Axis Image Stabilization* Specification and information is subject to change without prior notice.