YONGNUO YN42.5MM F1.7M II Lens Instruction Manual

1. Nhanganyaya

Ndatenda nekutengaasing the YONGNUO YN42.5MM F1.7M II Medium Auto Focus Fixed Prime Lens. This lens is designed for Micro Four Thirds (M4/3) cameras, offering a versatile 42.5mm focal length and a bright F1.7 large aperture. It is compatible with various Olympus and Panasonic camera models. This manual provides essential information for safe and effective operation.

Zvinhu zvakakosha zvinosanganisira:

• F1.7 Kaburi Kakakura: Inogonesa kushanda zvakanaka kwechiedza chisina kujeka uye kublur kwemashure kwakanaka (bokeh).
• Optical Design: Features 9 blades in 8 groups, including 2 ED ultra-low dispersion lenses, for high image quality.
• Maitiro Ekutarisa: Supports both Auto Focus (AF) and full-time Manual Focus (MF) for flexible control.
• STM Stepper Motor: Equipped with a high-speed and high-precision STM stepper motor for fast, quiet, and accurate focusing.
• Close Focusing: Minimum focusing distance of approximately 0.30m with a maximum magnification of about 0.15 times.

2. Chii chiri muBhokisi

Ndapota tarisa zviri mupakeji yako kuti uve nechokwadi chekuti zvinhu zvese zviripo:

• 1 x YONGNUO YN42.5MM F1.7M II Lens
• 1 x Lens Front Cover
• 1 x Lens Rear Cover
• 1 x Chinyorwa Chekuraira (gwaro iri)

Image: The YONGNUO YN42.5MM F1.7M II lens, its packaging, front and rear lens caps, and the instruction manual.

3. Setup uye Kuiswa

3.1 Kubatanidza Lenzi kuKamera Yako

1. Ensure your camera is powered off before attaching or detaching any lens.
2. Remove the rear lens cap from the YN42.5MM F1.7M II lens and the body cap from your camera. Avoid touching the lens elements or the camera's sensor.
3. Align the white mounting index mark on the lens with the corresponding mark on your camera's lens mount.
4. Isa lenzi muchibatiso chekamera woitenderedza newachi kusvika yadzvanya panzvimbo yayo. Usamanikidza lenzi.
5. Remove the front lens cap. Your lens is now ready for use.

Mufananidzo: Rear view of the lens showing the Micro Four Thirds mount and electronic contacts. Ensure these contacts are clean before mounting.

3.2 Kubvisa Lenzi

1. Power off your camera.
2. Dzvanya wobata bhatani rekuburitsa lenzi riri mumuviri wekamera yako.
3. Tenderedza lenzi yacho uchitarisa wachi kusvika yabva pane kamera.
4. Immediately attach the rear lens cap to the lens and the body cap to the camera to protect them from dust and damage.

4. Operating Instructions

4.1 Chinja cheFocus Mode (AF/MF)

The YN42.5MM F1.7M II lens features a switch to select between Auto Focus (AF) and Manual Focus (MF) modes.

• AF (Auto Focus): In this mode, the camera will automatically focus on your subject. This is suitable for most general photography.
• MF (Manual Focus): In this mode, you manually adjust the focus ring on the lens to achieve focus. This is useful for precise focusing in specific situations or when auto-focus struggles.

Mufananidzo: Side view of the lens highlighting the AF/MF switch for selecting focus mode.

4.2 Aperture Control

The lens has a maximum aperture of F1.7. Aperture control is managed through your camera body. Refer to your camera's instruction manual for details on adjusting aperture settings. A wider aperture (smaller f-number like F1.7) allows more light in and creates a shallower depth of field, blurring the background.

Image: The YN42.5MM F1.7M II lens mounted on a camera, illustrating the effect of a large F1.7 aperture on background blur.

4.3 Minimum Focusing Distance

This lens can focus as close as 0.30 meters (approximately 1 foot), allowing for detailed close-up shots with a maximum magnification of 0.15 times.

Image: The lens barrel displaying the minimum focusing distance of 0.3m/1.0ft and 0.15x magnification.

4.4 Makamera Anoenderana

This lens is designed for Micro Four Thirds (M4/3) system cameras. Compatible models include, but are not limited to:

• Olympus: E-M5 Mark II, E-M10 Mark III, E-M10 IV, E-PL9, E-PL10, PEN-F
• panasonic: G100, GH5, G9, G95, G85, GX9, GX85, GF-10, GF-9, GF-8

5. Kuchengeta uye Kuchengeta

• Kuchenesa Lens: Use a soft, lint-free cloth or a lens brush to remove dust. For smudges or fingerprints, use a specialized lens cleaning solution and a microfiber cloth. Apply solution to the cloth, not directly to the lens.
• Kuchengeta: When not in use, always attach the front and rear lens caps. Store the lens in a dry, cool place, away from direct sunlight and extreme temperatures. Consider using a dehumidifying cabinet if you live in a humid environment.
• Dzivisa Impact: Protect the lens from drops and impacts, which can damage internal components or optical alignment.
• Water and Dust: This lens is not water-resistant. Avoid exposure to rain, splashes, or excessive dust.

6. Kugadzirisa matambudziko

7. Zvinotsanangurwa

Ongorora: Magadzirirwo anogona kuchinja pasina ziviso.

8. Warranty uye Tsigiro

This YONGNUO YN42.5MM F1.7M II lens comes with a 1-makore waranti from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper storage.

For warranty claims or technical support, please contact your retailer or YONGNUO customer service. Keep your proof of purchase for warranty validation.

For the latest support information and contact details, please visit the official YONGNUO websaiti: www.yongnuo.com.cn

9. Chigadzirwa Vhidhiyo