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The HD HERO also offered an expansion port on the camera"s rear panel, branded the HERO Bus. Optional accessories included the LCD Bakpac, which offered a small monitor that displayed and played back video, and the Battery Bakpac, which doubled the battery life of the camera.
The HERO3+ camera models claim dramatically improved low light performance and have a waterproof enclosure which is 20% lighter and 15% smaller than the HERO3"s, according to the GoPro website. The HERO3+ camera housing is 20% smaller than the HERO3. The cameras are claimed to have improved image sharpness (close focus down to 7" vs about 3 ft on the HERO3, at the expense of distant focus which is slightly less sharp
In September 2014, GoPro released an entry level camera named simply "HERO", priced at $130, alongside the HERO4 Black and HERO4 Silver. It is built into a waterproof housing, unlike the HERO4 line.
The GoPro HERO (2014) can capture 5mp still images and has a 5fps burst option. It is able to record 1080P at 30 or 25fps and 720P at 60 or 50fps on to a MicroSD card up to 32GB. It has an LCD non touch display on the front and is waterproof down to 40m.
In June 2015, the company started to sell the GoPro HERO+LCD, which provides video recording at 1080p at 60 fps and 8 megapixel photos. The HERO+LCD is also built into a waterproof housing.
The HERO8 Black largely introduced several new functions into the camera. Physically, the HERO8 Black now incorporates the connecting prongs that are used to connect accessories, directly onto the camera. Originally, the cameras would only be able to access the prongs if the cameras utilised either the frames (for cameras HERO5 to HERO7) or the protective cases for HERO4 and before. Moreover, the GoPro logo moved under the LCD screen to make way for extra microphones. More additions to the camera most notably were part of the software aspects of the camera. These included an option to switch between various settings presets, including standard, activity, cinematic and action shots and adjusting on-screen shortcuts of the user interface. Most notably as part of software, was the introduction of the night-lapse video, which similar to the time-lapse video mode, automatically stitches the frames captured by the camera at set intervals, however with the addition of improved low-light performance.
The HERO8 Black also attempts to address vloggers who may wish to use the GoPro in such a manner. As such, GoPro has also introduced an external accessory known as the "Media Mod" which includes a USB Type-C port for supplying power to external microphones and accessories, a micro-HDMI port and a 3.5mm microphone port. Moreover, the accessory includes a mount to connect either external microphones, LEDs or an LCD screen.