Recent blog posts

  1. A red colour filter for night mode on iPhone

    Using red light at night preserves your eyes’ adaptation to the dark. Use a red colour filter to put your iPhone and all apps into a red night mode, to let you use your phone and preserve your night vision.

  2. Backing up photos

    I don’t like to delete things, especially not photos. I also shoot in RAW and JPG; I keep the JPG files for quick sharing to my phone, social network posts, etc. Holding down the shutter can very quickly create gigabytes of photos. How do I backup gigabytes of photos safely?

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