A log profile, or logarithmic profile, is a shooting profile, or

gamma curve Gamma correction or gamma is a nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems. Gamma correction is, in the simplest cases, defined by the following power-law expression: : V_\text = ...

, found on some digital

video camera A video camera is an optical instrument that captures videos (as opposed to a movie camera, which records images on film). Video cameras were initially developed for the television industry but have since become widely used for a variety of oth ...

s that gives a wide dynamic and tonal range, allowing more latitude to apply colour and style choices. The resulting image appears washed out, requiring color grading in

post-production Post-production is part of the process of filmmaking, video production, audio production, and photography. Post-production includes all stages of production occurring after principal photography or recording individual program segments. The ...

, but retains shadow and highlight detail that would otherwise be lost if a regular linear profile had been used that clipped shadow and highlight detail. The feature is mostly used in

filmmaking Filmmaking (film production) is the process by which a motion picture is produced. Filmmaking involves a number of complex and discrete stages, starting with an initial story, idea, or commission. It then continues through screenwriting, casti ...

and

videography Videography is the process of capturing moving images on electronic media (e.g., videotape, direct to disk recording, or solid state storage) and even streaming media. The term includes methods of video production and post-production. It used ...

Proprietary log profiles on various cameras

*C-Log or Canon Log on

Canon Canon or Canons may refer to: Arts and entertainment * Canon (fiction), the conceptual material accepted as official in a fictional universe by its fan base * Literary canon, an accepted body of works considered as high culture ** Western ca ...

cameras (including C-Log2 and C-Log3) *D-Log on

DJI SZ DJI Technology Co., Ltd. or Shenzhen DJI Sciences and Technologies Ltd. ( zh, c=深圳大疆创新科技有限公司, p=Shēnzhèn Dà Jiāng Chuàngxīn Kējì Yǒuxiàn Gōngsī) in full, more popularly known as its trade name DJI, which s ...

UAV cameras *F-Log on

Fujifilm , trading as Fujifilm, or simply Fuji, is a Japanese multinational conglomerate headquartered in Tokyo, Japan, operating in the realms of photography, optics, office and medical electronics, biotechnology, and chemicals. The offerings from th ...

cameras *N-Log on

Nikon (, ; ), also known just as Nikon, is a Japanese multinational corporation headquartered in Tokyo, Japan, specializing in optics and imaging products. The companies held by Nikon form the Nikon Group. Nikon's products include cameras, camera ...

cameras *S-Log on

Sony , commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...

cameras (including S-Log2 and S-Log3) *V-Log on

Panasonic formerly between 1935 and 2008 and the first incarnation of between 2008 and 2022, is a major Japanese multinational corporation, multinational Conglomerate (company), conglomerate corporation, headquartered in Kadoma, Osaka, Kadoma, Osaka P ...

cameras (including Panasonic, Panavision and Lumix cameras). *

References

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External links

"A quick look at Log Gamma with DPReview.com"
– video demonstrates reasons for using a log profile Film and video terminology

Proprietary log profiles on various cameras

See also

References

External links