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Fighting Noise at an Astronomical Scale

October 10, 2017

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Forest of Night and Day

8-Exposure, where 3 were shielded from the leftmost light source. This let me capture the middle and rightmost details of the scene, then purposefully darken them in favor of the light streaming through the branches. Two additional long exposures whilst moving the camera forward gave us the streaks of light emitting from the left, seeming to point along the field of view. f1.8-2.4, ISO 400-1200, and shutter speeds between 1/20 and 3 seconds, +2 ND filter on the longer ones. Magic Behind the Curtains: Raw frames after post-processing, prior to composition.

A River Runs Through It

One of my less breathtaking shots, I took the the opportunity to capture the movement of the water and the light reflected thereof. Fore/Mid used 1/320' exposures at ISO 200, with HDR ISO400 over 1"; in contrast, the water was shot with six different exposure over four seconds each, each with 16xND and ISO 200 (this kept the fine detail of the flowing water, even as it blurred over a longer time span). The composition frames - note the highlights and bloom across the moving river, which represents temporal variance (ie, movement) as brightness.

The Grotto

Just a simple dual-exposure composite of a ravine I found rather captivating on the hike down. My goal here was to the capture the diffusion of sunlight through the felled pine leaves, something I feel this succeeded with to some degree. Some may note the "poor man's" fisheye effect going on, since this result was an earlier attempt at recombining photos with different lens characteristics. ISO 600 and 1/80' at f1.8 for the darker portions of the scene, while ISO200 and 1/360' for the highlights.

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Fighting Noise at an Astronomical Scale

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