Overcoming Coma Aberration - Part 2

Stars and coma : Capturing stars as points of light is a challenge in optical design. Without the addition of special aspherical elements, ...

Rokinon 24mm f/1.4 Review

The Rokinon 24mm f/1.4 compared to the Canon EF24mm f/1.4 on the right ($550 vs. $1750) The Rokinon 24mm f/1.4 ED AS UMC Wide-Angle Lens is...

Sale Alert! Bower 14mm f/2.8 Lens for $329

One of my favorite lenses for starry night landscape photography is on sale at B&H (ending Tuesday, April 30, 2013)! This lens typicall...