Cosina VOIGTLANDER L39 F2.8 User manual

INSTRUCTION MANUAL
HELIAR 40mm F2.8 Aspherical L (L39)
Mar 2022, Ver 1.0COSINA CO., LTD.

Voigtlander L-mount series is a series of lenses that covers the full frame
image circle and can be used with both lm and digital cameras.
It can be used with rangefinder-coupled cameras with L-mount, as
well as with mirrorless cameras via an M-mount adapter. Enjoy superior
performance on a variety of platforms.
Features of L mount series
■ Leica screw (L39) mount
■ Full frame format
■ Smooth focus for precise focusing
■ All metal construction

Tips for lens care and safety
Never touch the lens surface. In case it is dirty or dusty use commercial lens
cleaner or appropriate lens cleaning cloth.
If the user ignores this warning sign and uses the equipment
the wrong way serious injuries and even death might be the
result.
If the user ignores this caution sign it might result in injury
and/or damage the equipment.
Never look directly at the sun with a telephoto lens as this
can damage your eyes.
Keep the lens, camera and accessories out of reach of
children.
Store the lens away from direct sunlight and always store
the lens with lens-cap on. Failure to do so can create a re
hazard.
WARNING
CAUTION
WARNING
CAUTION
CAUTION
These tips are to protect the user from injury or damaging the lens.

Description of Parts
① Lens Hood
② Filter Ring
③ Aperture Ring
④ Focus Ring
⑤ Distance Index
⑥ Mount
⑦ Aperture Index
⑧ Aperture Scale
⑨ Focus Lever
⑩ Depth of Field Scale
⑪ Distance Scale
⑫ Focus Lock Button
⑬ Focus Stop
①⑦
⑧
⑨
⑬
⑩
②
③
④
⑪
⑫
⑥
⑤

● How to attach/detach the lens
Please refer to the instruction manual for your camera for how to attach/detach
the lens. When attaching and detaching, use the focus lever ⑨ , This is xed at
the innite position, and focus stop ⑬ to rotate the lens. Holding and rotating
other parts may cause a functional failure.
● Attaching Hood
Screw the Lens Hood ① to the front of the lens.
● About Focusing
The focus is locked at the innity ( ∞ ) position. Press the focus lock button ⑫ to
release the focus lock, and then use the focus lever ⑨ to focus.
● Rangender coupling
Coupled focusing range of this lens is ∞ ~ 0.7m. However, rangender coupling
range will be di󱐯erent depending on the rangender mechanism of the camera
used.

● Attaching Filter
Screw the lter (Ø34mm) to the front of the lens.
● Attaching Mount Adapter
The following accessories can be used with this product in combination with the
L/M Adapter*1.
VM-E Mount Adapter I / II
VM-E Close Focus Adapter I / II
VM-X Close Focus Adapter I / II
VM-Z Close Focus Adapter
*1 Disclaimer
Please note that when combined with an M-mount adapter made by another company, accidents
or malfunctions of the camera, adapter, or lens caused by the third party adapter are not covered by
warranty and we are not responsible for any accidents or malfunctions caused by the adapter.

Product Name HELIAR 40mm F2.8 Aspherical
Focal Length 40mm
Maximum Aperture F28
Minimum Aperture F22
Lens Construction 3 groups 5 elements
Angle of View 57.0°
Aperture Blade 10
Rangender Coupling ∞ ~ 0.7m
Minimum Focus 0.7m
Filter Ø34mm
Maximum Diameter Approx. Ø47.0mm
Length Approx. 20.2mm
Weight Approx. 110g
Mount L mount (L39)
Supplied Accessories Lens Hood, Front Cap, Rear Cap
●Specications
* Specication and information is subject to change without notice.