golden hour

/usr/share/mime/image

File/Folder	Size	Actions
bmp.xml	3.25 KB
cgm.xml	928 B
dpx.xml	2.72 KB
emf.xml	2.83 KB
fax-g3.xml	1017 B
fits.xml	2.94 KB
gif.xml	2.78 KB
heif.xml	1.67 KB
ief.xml	2.71 KB
jp2.xml	1.95 KB
jpeg.xml	2.85 KB
jpm.xml	1.85 KB
jpx.xml	1.85 KB
ktx.xml	2 KB
openraster.xml	1.01 KB
png.xml	2.71 KB
rle.xml	1.03 KB
svg+xml-compressed.xml	3.29 KB
svg+xml.xml	2.72 KB
tiff.xml	2.79 KB
vnd.adobe.photoshop.xml	2.96 KB
vnd.djvu+multipage.xml	2.07 KB
vnd.djvu.xml	2.84 KB
vnd.dwg.xml	3.03 KB
vnd.dxf.xml	3.22 KB
vnd.microsoft.icon.xml	2.19 KB
vnd.ms-modi.xml	933 B
vnd.rn-realpix.xml	2.92 KB
vnd.wap.wbmp.xml	2.71 KB
vnd.zbrush.pcx.xml	2.7 KB
webp.xml	1.94 KB
wmf.xml	2.83 KB
x-3ds.xml	3.16 KB
x-adobe-dng.xml	3.17 KB
x-applix-graphics.xml	3.37 KB
x-bzeps.xml	3.77 KB
x-canon-cr2.xml	3.43 KB
x-canon-crw.xml	3.4 KB
x-cmu-raster.xml	3.27 KB
x-compressed-xcf.xml	3.25 KB
x-dcraw.xml	3.15 KB
x-dds.xml	3.05 KB
x-dib.xml	2.71 KB
x-eps.xml	2.84 KB
x-exr.xml	2.66 KB
x-fpx.xml	2.7 KB
x-fuji-raf.xml	3.36 KB
x-gimp-gbr.xml	1.53 KB
x-gimp-gih.xml	1.63 KB
x-gimp-pat.xml	1.53 KB
x-gzeps.xml	3.77 KB
x-icns.xml	2.86 KB
x-ilbm.xml	2.97 KB
x-jng.xml	2.8 KB
x-jp2-codestream.xml	1.78 KB
x-kodak-dcr.xml	3.36 KB
x-kodak-k25.xml	3.35 KB
x-kodak-kdc.xml	3.36 KB
x-lwo.xml	3.07 KB
x-lws.xml	2.99 KB
x-macpaint.xml	3.25 KB
x-minolta-mrw.xml	3.41 KB
x-msod.xml	2.73 KB
x-niff.xml	2.6 KB
x-nikon-nef.xml	3.36 KB
x-olympus-orf.xml	3.52 KB
x-panasonic-rw.xml	3.28 KB
x-panasonic-rw2.xml	3.28 KB
x-pentax-pef.xml	3.42 KB
x-photo-cd.xml	2.73 KB
x-pict.xml	3.82 KB
x-portable-anymap.xml	2.72 KB
x-portable-bitmap.xml	2.84 KB
x-portable-graymap.xml	2.76 KB
x-portable-pixmap.xml	2.76 KB
x-quicktime.xml	2.92 KB
x-rgb.xml	2.72 KB
x-sgi.xml	2.58 KB
x-sigma-x3f.xml	3.32 KB
x-skencil.xml	2.89 KB
x-sony-arw.xml	3.31 KB
x-sony-sr2.xml	3.31 KB
x-sony-srf.xml	3.31 KB
x-sun-raster.xml	2.97 KB
x-tga.xml	2.8 KB
x-tiff-multipage.xml	2.58 KB
x-win-bitmap.xml	2.87 KB
x-xbitmap.xml	2.66 KB
x-xcf.xml	2.77 KB
x-xcursor.xml	2.53 KB
x-xfig.xml	2.69 KB
x-xpixmap.xml	2.73 KB
x-xwindowdump.xml	3.04 KB

Edit: x-sigma-x3f.xml

<?xml version="1.0" encoding="utf-8"?>
<mime-type xmlns="http://www.freedesktop.org/standards/shared-mime-info" type="image/x-sigma-x3f">
  
  <comment>Sigma X3F raw image</comment>
  <comment xml:lang="af">Sigma X3F rou beeld</comment>
  <comment xml:lang="ar">صورة Sigma X3F خامة</comment>
  <comment xml:lang="be-Latn">Suvoraja vyjava Sigma X3F</comment>
  <comment xml:lang="bg">Изображение — Sigma X3F raw</comment>
  <comment xml:lang="ca">imatge en cru de Sigma X3F</comment>
  <comment xml:lang="cs">surový obrázek Sigma X3F</comment>
  <comment xml:lang="da">Sigma X3F raw-billede</comment>
  <comment xml:lang="de">Sigma-X3F-Rohbild</comment>
  <comment xml:lang="el">Ανεπεξέργαστη εικόνα Sigma X3F</comment>
  <comment xml:lang="en-GB">Sigma X3F raw image</comment>
  <comment xml:lang="es">imagen en bruto X3F de Sigma</comment>
  <comment xml:lang="eu">Sigma X3F irudi gordina</comment>
  <comment xml:lang="fi">Sigma-X3F-raakakuva</comment>
  <comment xml:lang="fo">Sigma X3F rámynd</comment>
  <comment xml:lang="fr">image brute X3F Sigma</comment>
  <comment xml:lang="fur">imagjin grese Sigma X3F</comment>
  <comment xml:lang="ga">amhíomhá Sigma X3F</comment>
  <comment xml:lang="gl">imaxe en bruto X3F de Sigma</comment>
  <comment xml:lang="he">תמונה גולמית של Sigma X3F</comment>
  <comment xml:lang="hr">Sigma X3F osnovna slika</comment>
  <comment xml:lang="hu">Sigma XF3 nyers kép</comment>
  <comment xml:lang="ia">Imagine brute Sigma X3F</comment>
  <comment xml:lang="id">Citra mentah Sigma X3F</comment>
  <comment xml:lang="it">Immagine raw Sigma X3F</comment>
  <comment xml:lang="ja">Sigma X3F raw 画像</comment>
  <comment xml:lang="kk">Sigma X3F өңделмеген суреті</comment>
  <comment xml:lang="ko">시그마 X3F RAW 사진</comment>
  <comment xml:lang="lt">Sigma X3F neapdorotas paveikslėlis</comment>
  <comment xml:lang="lv">Sigma X3F jēlattēls</comment>
  <comment xml:lang="nb">Sigma X3F raw-bilde</comment>
  <comment xml:lang="nl">onbewerkt Sigma X3F-beeld</comment>
  <comment xml:lang="nn">Sigma X3F råbilete</comment>
  <comment xml:lang="oc">imatge brut X3F Sigma</comment>
  <comment xml:lang="pl">Surowy obraz X3F Sigma</comment>
  <comment xml:lang="pt">imagem em bruto Sigma X3F</comment>
  <comment xml:lang="pt-BR">Imagem bruta X3F da Sigma</comment>
  <comment xml:lang="ro">Imagine brută Sigma X3F</comment>
  <comment xml:lang="ru">Необработанное изображение Sigma X3F</comment>
  <comment xml:lang="sk">Surový obrázok Sigma X3F</comment>
  <comment xml:lang="sl">Surova slikovna datoteka Sigma X3F</comment>
  <comment xml:lang="sq">Fifurë raw Sigma X3F</comment>
  <comment xml:lang="sr">Сигма Икс3Ф сирова слика</comment>
  <comment xml:lang="sv">Sigma X3F-råbild</comment>
  <comment xml:lang="tr">Sigma X3F ham görüntüsü</comment>
  <comment xml:lang="uk">цифровий негатив X3F Sigma</comment>
  <comment xml:lang="vi">Ảnh thô Sigma X3F</comment>
  <comment xml:lang="zh-CN">适马 X3F 原始图像</comment>
  <comment xml:lang="zh-TW">Sigma X3F 原生影像</comment>
  <acronym>X3F</acronym>
  <expanded-acronym>X3 Foveon</expanded-acronym>
  <sub-class-of type="image/x-dcraw"/>
  <glob pattern="*.x3f"/>
</mime-type>