DIY solution for adding ZWO EAF autofocus to SharpStar FMA180 telescope using 3D-printed parts and GT2 belt, with assembly instructions and sample astrophotography results.
Lego Mosaic
How to create a Lego mosaic from any photo: use Photoshop to convert to actual Lego colors, then optimize piece selection with a program to reduce cost from $650 to $300 for a 75x75cm artwork.
Catastrophic Failure
DigitalOcean server incidents and migration to Azureāsite layout may be temporarily affected during the transition.
Tagged as : EnglishHow to shoot photos for the total eclipse
Practical guide to photographing a total solar eclipse, covering time-lapse techniques, bracket exposure for corona details, and economical alternatives using telescopes instead of expensive telephoto lenses.
Photography and optics
Connecting photography concepts with optics: glasses diopter equals 1/focal length, aperture affects depth of field and diffraction, and macro lens design for close focusing.