When comparing Luna vs 360Fly 4K, the Slant community recommends 360Fly 4K for most people. In the question“What are the best 360-degree cameras?” 360Fly 4K is ranked 7th while Luna is ranked 19th. The most important reason people chose 360Fly 4K is:
Since there's only one lens which captures with a 360x240 degrees field of view, there's no stitching being done.
Specs
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Pros
Pro Water-resistant and dust-proof
The Luna 360 is waterproof up to 1 meter. It is also completely dust-proof as it is IP67/68 protected.
Pro Videos and photos capture lots of detail
Luna has two 4K sensors, each with 190° lenses. When their images are combined, it allows for the device to take 2k photos and 1080p videos.
Pro Vibration reduction for steady shots
The gyro stabilization that is built into the camera allows for users to get steady shots, regardless of any vibration sent through the phone.
Pro Auto-stitching from two 190° lenses.
There is no need for computing power to make 360° images or videos as the internal software stitches the two images together to reproduce a 360° video or image.
Pro Small and portable
Luna is 6 cm in diameter, making it a small device that can easily be stored or pocketed. This implies that the user can carry the device around with them hassle-free.
Pro Supports streaming over 802.11n WiFi
Users can stream the video they are recording over WiFi. This enables one to easily view recordings live.
Pro Supports Flat, Sphere, VR, and Planet viewing modes
Through the use of the free app, users can change their camera viewing modes. This makes for a more versatile experience, depending on what the user wishes to record and how they want to achieve it.
Pro Magnet connector is extremely useful
The magnet connector allows users to stick their camera to a wide variety of metal surfaces, which is not only convenient but allows for a very versatile mounting experience.
Pro No stitching
Since there's only one lens which captures with a 360x240 degrees field of view, there's no stitching being done.
Pro Suitable for recording sports or other outdoor activities
360Fly is dust-resistant (IP6X certified), water-resistant up to 50 meters, and shock-resistant up to 1.5M. The exterior is also rubberized to make it harder for it to split when handled with wet hands.
This makes it a great device for recording extreme sports or general outdoor recording.
Pro Extremely easy to edit a video or photo once it's captured
After shooting a clip and before sharing it, the app will let you choose which sections of a video to include in the final shared version, add music and even adjust the playback speed of your video or parts of it.
Pro Capable of capturing spherical videos
The 360Fly 4K can be combined with another camera so to shoot completely spherical, immersive videos.
Pro Supports live preview
When the camera is turned on, so is the camera's Wi-Fi and Bluetooth which are used to connect to a mobile phone that has the camera's app installed. Once that's done you can then change the app's settings and have a live view of what the camera is capturing straight from the app.
Cons
Con Not yet released
It appears that the item is still a pre-order and that shipments will not go out until October 2016. This is worrisome as other cameras in the past have failed to deliver, which means it may be best to wait until an official release.
Con Poor lighting adjustments
The visibility of images is poor in darker lighting.
Con Issues with recorded audio
Audio captured more than a few feet from the camera sounds rather low and muffled. There's also no way to add an external mic.
Con There's purple fringing around subjects in high-contrast areas
There's some purple fringing when there's a high contrast in the video or photo. This is not very visible on smartphone screens unless you zoom in. However, it's very visible on computer monitors.
Con The view is not spherical
The 360Fly 4K has only one lens which makes it a 360x240 degree camera. Because of this you lose about 120 degrees below the camera.