GoPro Fusion vs Nikon KeyMission 360

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

The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.

You can operate the device easily, by pressing the screen with your fingers.

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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.

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Flip-out screens can be useful for tricky shots.

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A prime lens has a fixed focal length. In general, these are sharper, with a wider aperture.

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

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The burst mode, also called serial shot mode or continuous shooting mode, allows you to shoot multiple photos in a row.

When recording movies they stay focussed and sharp.

AVCHD (Advanced Video Coding High Definition) is a file-based format for the digital recording and playback of high-definition video. It's a standard popular among professional cameras and camcorders.

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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.

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.

CMOS image sensors are slowly replacing CCD sensors, due to reduced power consumption and better image quality. They can be very compact and cost relatively little to produce.

With manual white balance you can choose the most accurate setting and avoid the green, blue or red hue which can occur in auto mode. You can also change the setting for artistic effect.

The lens is made by a reputable photographic equipment manufacturer, as opposed to a low-cost unbranded lens.

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This allows to manually set the ISO level.

A BSI (backside illuminated) sensor is a camera image sensor which captures better quality images in poor lighting conditions, and offers better overall sharpness and image quality.

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

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Zoom microphones record high-quality audio and enable you to record sound from a distance. They can be useful for recording meetings, lectures, and presentations.

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

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

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.

An indicator shows you when the device has low battery.

The battery can be recharged and used over again.

GPS enables global positioning, useful in map, geo-tagging or navigation apps.

It is compatible with a range of Android devices such as smartphones and tablets.

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

The device can connect to Wi-Fi.

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.

It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.

A gyroscope is a sensor that tracks the orientation of a device, more specifically by measuring the angular rotational velocity. Initially, they were built using a spinning rotor to detect changes in orientation, like twisting or rotation.

It allows you to shoot a panorama 360° in every direction, by stitching together multiple shots that you take while turning on the spot. This creates a spherical 360° panorama, which allows you to look around in all directions instead of just horizontally.

It has two memory card slots, allowing you to store more photos without switching cards. This is particularly useful on long shoots when you need more space.

A compass is useful in games, map and navigation software.