Detailed tutorial on using HDR mode in mobile phone photography

Mobile phone photography HDR mode tutorial

HDR mode is a function of mobile phone photography, which means high dynamic range (lighting rendering). Its function is to make photos show not only bright details, but also dark details. So how to use HDR mode for mobile phone photography?

Step 1: First, turn on the camera function of the mobile phone and open the menu option on the camera page.

Step 2: Select HDR mode in the menu and click Open.

Step 3: You can take photos after opening. At this time, the effect of taking photos is HDR mode.

Step 4: After taking photos, wait for a period of time before turning it off, because the principle of HDR is to set different exposure settings for the same subject and scene, take multiple photos, and finally combine them.

Step five. The following photos were taken with and without HDR mode. It can be seen that the photos taken with HDR show bright details and dark details.

High dynamic range

HDR is the abbreviation of English High Dynamic Range, which is a post-processing technology. Dynamic range refers to the relative ratio between the highest value and the lowest value of electrical signals, which is reflected in the details that can be displayed in high light areas and dark areas. The larger the dynamic range, the richer the levels. In order to get the picture effect of HDR, it is not enough to take only one photo. It is necessary to take a series of different photos of exposure value and synthesize a high dynamic range photo through software. In the era of film photography, people can increase or decrease the brightness and darkness of photos by local lightening or deepening when developing in darkroom. Although there are few opportunities to contact the darkroom now, you can still find two tools in Photoshop, dimming and deepening, to simulate the effect of local lighting or dimming in the darkroom. Using HDR technology, we can break through the limitation of tolerance, bring the details of photos to an unprecedented level, and further broaden the space of photography creation.

There are also some SLR cameras with HDR function, which can shoot in high light ratio environment. Due to the limitation of dynamic range, ordinary cameras cannot record extremely bright or dark details. Even in the case of high aspect ratio, the photos processed by HDR program can get better levels than ordinary photos, no matter the highlights or dark parts.