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Bob Horowitz
@BobHorowitz@sfba.social  ·  activity timestamp 3 days ago

The Devil's Slide Tunnel.
December 8th, 2025, 3:58 p.m.

This was a joint effort with my husband Chris (studiochris on Mastodon). After spending an afternoon in Half Moon Bay with Jeri Dansky, just before heading home we set my camera for a one second exposure at f/22... and, while I drove through the tunnel, Chris balanced the camera above the dashboard and kept the shutter firing, which actually makes Chris the photographer and me the guy in the chair who says Engage.

After we got home, I tried several methods of merging the best 8 or 9 shots in post... but I ended up liking this single exposure best because it was sharper than any of the muddier merges.

#Photography

A 1 second exposure of the Tom Lantos Tunnel, under Montara Mountain, on Highway 1 just south of San Francisco. Shot through a car windshield using an ultrawide lens. 

Vaguely resembling a jump to warp speed, beams of light shoot out past the camera from a distant point in the center of the frame. The majority of the light is gold... lighting the walls of the tunnel, the roadway, and the hood of the car. There is a streak of purple on the left wall of the tunnel... and smears of teal color closer to the vanishing point in the center.

It's all very satisfying to look at, said the guy in the chair (me) who likes to shout Engage whenever he starts driving his car.
A 1 second exposure of the Tom Lantos Tunnel, under Montara Mountain, on Highway 1 just south of San Francisco. Shot through a car windshield using an ultrawide lens. Vaguely resembling a jump to warp speed, beams of light shoot out past the camera from a distant point in the center of the frame. The majority of the light is gold... lighting the walls of the tunnel, the roadway, and the hood of the car. There is a streak of purple on the left wall of the tunnel... and smears of teal color closer to the vanishing point in the center. It's all very satisfying to look at, said the guy in the chair (me) who likes to shout Engage whenever he starts driving his car.
A 1 second exposure of the Tom Lantos Tunnel, under Montara Mountain, on Highway 1 just south of San Francisco. Shot through a car windshield using an ultrawide lens. Vaguely resembling a jump to warp speed, beams of light shoot out past the camera from a distant point in the center of the frame. The majority of the light is gold... lighting the walls of the tunnel, the roadway, and the hood of the car. There is a streak of purple on the left wall of the tunnel... and smears of teal color closer to the vanishing point in the center. It's all very satisfying to look at, said the guy in the chair (me) who likes to shout Engage whenever he starts driving his car.
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