Olympus ED12-40mm f2.8 PRO II Instructions Manual

Olympus ED12-40mm f2.8 PRO II manual cover

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Year 2021

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Olympus ED12-40mm f2.8 PRO II Specification

The Olympus ED12-40mm f2.8 PRO II Lens is a versatile, high-performance zoom lens designed for Micro Four Thirds cameras, offering a 35mm equivalent focal length of 24-80mm. It features a constant maximum aperture of f/2.8 across the entire zoom range, providing consistent exposure and depth of field control. The lens construction comprises 14 elements in 9 groups, including aspherical, extra-low dispersion, and high-refractive index elements, which minimize chromatic aberrations and distortions for sharp, high-contrast images. The lens also incorporates Olympus's renowned ZERO (Zuiko Extra-low Reflection Optical) coating, reducing flare and ghosting effects for enhanced image clarity even under challenging lighting conditions.

The lens's build quality is robust, featuring a dustproof, splashproof, and freezeproof construction, which ensures reliable performance in various environmental conditions. Its fast and silent autofocus system is powered by a high-speed linear motor, making it suitable for both still photography and video recording. A manual focus clutch mechanism allows for quick switching between autofocus and manual focus modes, providing photographers with greater control over focus precision. Additionally, the lens has a minimum focusing distance of 0.2 meters and a maximum magnification of 0.3x, making it capable of capturing detailed close-up shots.

The Olympus ED12-40mm f2.8 PRO II Lens is equipped with a rounded 7-blade diaphragm, contributing to a pleasing bokeh effect in out-of-focus areas. Weighing approximately 382 grams and measuring 84mm in length, it is both compact and lightweight, making it an ideal choice for professionals and enthusiasts seeking a high-quality, all-purpose zoom lens for travel, landscape, portrait, and general photography applications.

Olympus ED12-40mm f2.8 PRO II F.A.Q.

What are the key features of the Olympus ED12-40mm f2.8 PRO II Lens?

The Olympus ED12-40mm f2.8 PRO II Lens features a constant f/2.8 aperture, a versatile 12-40mm focal length range, weatherproof design, and high-speed autofocus. It also includes a manual focus clutch mechanism for quick switching between AF and MF modes.

How do I properly clean and maintain the Olympus ED12-40mm f2.8 PRO II Lens?

To clean the lens, use a soft, lint-free microfiber cloth to gently wipe the lens surfaces. For stubborn spots, use a lens cleaning solution. Always store the lens in a protective case to prevent dust and moisture ingress. Regularly check the lens mount for dust and clean it with a blower if necessary.

What should I do if the autofocus on my Olympus ED12-40mm f2.8 PRO II Lens is not working?

First, ensure that the lens is securely attached to the camera body. Check if the camera and lens firmware are up to date. Try cleaning the electrical contacts on both the lens and the camera. If the issue persists, switch to manual focus to verify if the lens is operational, and consider contacting Olympus support if needed.

Can the Olympus ED12-40mm f2.8 PRO II Lens be used for macro photography?

While the Olympus ED12-40mm f2.8 PRO II Lens is not a dedicated macro lens, it does offer a close focusing distance of 0.2 meters, allowing for semi-macro photography. For true macro capabilities, consider using extension tubes or a dedicated macro lens.

Is the Olympus ED12-40mm f2.8 PRO II Lens weather-sealed?

Yes, the Olympus ED12-40mm f2.8 PRO II Lens is weather-sealed, making it resistant to dust, splash, and freezing temperatures, which is ideal for outdoor and challenging shooting environments.

How can I achieve a bokeh effect with the Olympus ED12-40mm f2.8 PRO II Lens?

To achieve a bokeh effect, use the lens at its widest aperture (f/2.8) and focus on a subject at a close range while keeping the background at a distance. This creates a shallow depth of field and soft, blurred backgrounds.

What should I check if my Olympus ED12-40mm f2.8 PRO II Lens is not focusing properly in low light?

Ensure the lens is switched to AF mode and that the camera settings are optimized for low light, such as using a higher ISO or a wider aperture. If the lens still struggles, consider using a focus assist light or switching to manual focus.

Can I use filters with the Olympus ED12-40mm f2.8 PRO II Lens, and what size should they be?

Yes, you can use filters with the Olympus ED12-40mm f2.8 PRO II Lens. The lens has a filter thread size of 62mm, so ensure that any filters purchased are compatible with this size.

How do I switch between autofocus and manual focus on the Olympus ED12-40mm f2.8 PRO II Lens?

The Olympus ED12-40mm f2.8 PRO II Lens features a manual focus clutch mechanism. Simply pull the focus ring toward the camera body to switch to manual focus and push it back to return to autofocus mode.

What type of photography is the Olympus ED12-40mm f2.8 PRO II Lens best suited for?

The Olympus ED12-40mm f2.8 PRO II Lens is highly versatile and well-suited for various types of photography, including landscapes, portraits, street photography, and general travel photography, thanks to its focal range and constant aperture.