Sony FDR-AX33 vs Sony Handycam FDR-AX100

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

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.

The bigger the screen size is, the better the user experience.

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Flip-out screens can be useful for tricky shots.

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.

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).

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

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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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.

This allows to manually set the ISO level.

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

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

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.

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

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.

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.

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

NFC (near field communication) allows a device to perform simple wireless transactions.

A flash is good for low-light environments, and can sometimes be used as flashlight.