Olympus OM-D E-M5 II + Olympus M.Zuiko 14-42mm F3.5-5.6 II R review: specs and price

With 100% coverage you can compose the image correctly when you capture the photo. With less than full coverage you may have to crop your photos afterwards to get them looking perfect.

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The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.

A hot shoe can be used to attach an external flash, as well as light meters, viewfinders, rangefinders and other attachments.

The device has an LCD display with 3 subpixels per pixel, resulting in sharp and crisp images. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

An electronic viewfinder (or EVF) is a small display which shows the framed image. Benefits of these over optical viewfinders include: they show more of the image; they can be more compact; it's easier to focus with digital zoom; and they sometimes offer extra info on the display (such as a live histogram).

A system camera has many interchangeable components such as lenses, flashes, and other accessories. System cameras offer greater flexibility than compact cameras.

The more focus points the more flexibility in picking which part of the scene to focus on. They also give the image sensor a better probability in identifying the right area of the scene to focus on in more automatic modes.

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With AF tracking, once you choose the subject and press the shutter release part way down, as the subject moves, the autofocus will follow it. No more out of focus shots.

The larger the sensor the more light the sensor captures yielding in better image quality.

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With a wider aperture the sensor can capture more light, helping to avoid blur by enabling a faster shutter speed. It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject.

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The zoom range is the ratio between the longest and shortest focal lengths. A higher zoom range means that the lens is more versatile.

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With a higher light sensitivity (ISO level), the sensor absorbs more light. This can be used to capture moving objects using a fast shutter speed, or to take images in low light without using a flash.

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The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.

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When recording movies they stay focussed and sharp.

A timelapse shows a long passage of time sped up. A series of photographs taken from the same position over a long period is joined together to create a short video. It is great way to capture things like the setting sun, or clouds moving across the sky.

24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.

The higher the movie recording bitrate the better the movie quality with more and crispier details and less compression artifacts.

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A stereo microphone allows to record audio files or movies in stereo without an external microphone.

A microphone port allows connecting external high-end or specialized microphones.

More microphones result in better sound quality and enable the device to filter out background noise.

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With a standard mini jack socket, you can use the device with most headphones.

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Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

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CIPA is an independent, standard measurement that determines how many shots a camera can take before the battery dies.

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The battery is removable and can be replaced by the user if broken.

The battery can be recharged and used over again.

An indicator shows you when the device has low battery.

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.

The device can connect to Wi-Fi.

A remote control allows you to control the device remotely. The remote control can be included or optional.

802.11n is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors - a, b and g.

An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.