Crimson-browed finch Crimson-browed finch The crimson-browed finch ("Carpodacus subhimachalus") is a true finch species (family Fringillidae). It is found in Bhutan, China, India, Myanmar, and Nepal. Its natural habitats are temperate forests and temperate shrubland. This is a large finch with a large short bill. The male has a crimson red head and throat. The female has a yellow head and throat. The species was described by the British naturalist Brian Houghton Hodgson in 1836 under the binomial name "Corythus subhimachalus". The species name "subhimachalus" is derived from the Latin "sub" meaning 'beneath' and the Hindi word "himachal" meaning snow. The crimson-browed
Purple fringing usually attributed to chromatic aberration as described above, although it is not clear that all purple fringing can be explained this way. Other attributed causes of purple fringing in digital photography include many hypothesized sensor effects: Commonly advocated methods of avoiding purple fringing include: Post-processing to remove purple fringing (or chromatic aberration in general) usually involves scaling the fringed colour channel, or subtracting some of a scaled version of the blue channel, or other blue-channel tricks. Purple fringing In photography (particularly digital photography), purple fringing (sometimes called PF) is the term for an unfocused purple or magenta "ghost" image on