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Author Topic: Night Shots with D800e  (Read 1462 times)
luxborealis
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« on: October 21, 2012, 09:49:51 AM »
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Here are three photographs shot one evening last month. The moon was bright and the wind was relatively still except for the slight movement of clouds - which, to me, adds a great dynamic to the photographs. These photos are completely experimental, as I have not shot long exposures since my film days.

Exposures were completely by guestimate varying ISO and aperture just to see what works and what doesn't. ISO 400 maintains excellent quality with little noise (see 100% crop). ISO 100 was even better but demands larger apertures that would not be optimal for the lens. When I go out the next time, I would use ISO 100 at 8 in the 10-minute range and am eager to try longer exposures.

The raw file quality is excellent with fantastic dynamic range. The amount of detail that can be pulled out of the shadows is phenomenal with no increase in "grain" or noise. In fact, the first time I processed these, I over-processed and ended up making them look like daylight with blue skies and bright details in the shadows.

My only complaint is the number of hot pixels which, after a quick internet search, seems to be the Achilles heal of the D800's small pixel-pitch 36MP sensor. That being said, I made some exposures with and without Long Exposure Noise Reduction (LENR) and it definitely works. Sadly, it means sitting around watching the light and landscape waiting and waiting for the processing to finish before making the next photograph. That being said, once I've done more testing, I should have a much better feel for what works, so will be able to use the LENR with the confidence of knowing that the wait will be worth it.

I've included a 100% crop of the ISO 400 image (1455) to show not only the noise level (with "0" NR in Lightroom and Sharpening of 50) but also the interesting additional detail of a jet making its way across the night sky.

Here is the data for each photograph:
  • 1455: 24mm 2.8, 5.6 @ 458sec, ISO 400
  • 1461: 20mm 2.8, 8 @ 146sec, ISO 100
  • 1463: 24mm 2.8, @ 126sec., ISO 100
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Terry McDonald
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Isaac
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« Reply #1 on: October 21, 2012, 11:35:58 AM »
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If these bright photos are "night shots" presumably you were taking a vacation from being "more firmly in the realist camp" :-)
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Eric Myrvaagnes
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« Reply #2 on: October 21, 2012, 12:21:19 PM »
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Terry,

There's an obvious solution to the long-delay problem: Buy several more D800es so you can set up and shoot the next shot while the first or second are still processing.  Wink
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BartvanderWolf
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« Reply #3 on: October 21, 2012, 12:46:14 PM »
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There's an obvious solution to the long-delay problem: Buy several more D800es so you can set up and shoot the next shot while the first or second are still processing.  Wink

Smiley noted, but one can also take a separate dark frame (equal exposure time as the individual exposures, with lenscap and covered viewfinder) and apply that  (dark frame subtraction) to the other shots when Rawprocessing with e.g. RawTherapee.

Cheers,
Bart
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Chris Calohan
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« Reply #4 on: October 21, 2012, 06:45:22 PM »
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May I ask what time of the night and the hemisphere were these shot and was there any other ambient light in the immediate shooting area?
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luxborealis
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« Reply #5 on: October 21, 2012, 09:07:23 PM »
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These photos were made in September of this year here in Ontario. The ambient light was that of Bark Lake Leadership Camp and that of the near full moon.
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Terry McDonald
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Chris Calohan
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« Reply #6 on: October 21, 2012, 09:23:23 PM »
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Aha....northern hemisphere will still be lighter than southern...duh.  Grin

Full moon and camp explain the rest of the light. I like all of them.
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sierraman
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« Reply #7 on: October 21, 2012, 10:16:45 PM »
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No. #2 and #3 work for me.  Smiley
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daniaw
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« Reply #8 on: October 22, 2012, 01:16:43 AM »
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Like #1 & #2 but look like HDR of landscape
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shaunw
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« Reply #9 on: October 22, 2012, 02:48:03 AM »
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All good...at a push # 2+3
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