Wintertime Shooting Tip - The HuntingPA.com Outdoor Community
 
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post #1 of 3 (permalink) Old 02-21-2015, 05:31 PM Thread Starter
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Wintertime Shooting Tip

Don't shoot out of you're vehicles window if the heater is on. If it's cold enough to have the heater on, like it is right now, you will get thermal convection coming out of the window and distorting the image. The colder it is outside the worse it will be. I've been aware of this for a long time and keep the heat off all toghether when shooting out the window. I was just out yesterday playing around with this, I had the heater on though cause it was only 10 degrees out. I took a shot from inside then another outside well away from the truck, big difference and this was out the drivers side window, out the passengers side from the drivers would have been worse. I could stand outside the truck and with the window open see the convection extending a good foot away from the truck. I also took a shot from outside, shooting parallel with the truck, through the convection, and it was a blurry mess too. I posted two comparison shots, can you tell which one was from inside ?






<span style="font-style: italic">USCG Capt. Steve Lessel</span>

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post #2 of 3 (permalink) Old 02-21-2015, 10:10 PM
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Re: Wintertime Shooting Tip

I experienced the same thing today with deer bedded down with snow on their back. Got a good composition, but when I got home and got them up on the computer, they were blurry. I thought it may have been from the AI servo focusing on snowflakes, but I bet money it was exactly what your are describing! Good advice Steve.

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post #3 of 3 (permalink) Old 03-01-2015, 11:27 AM
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Re: Wintertime Shooting Tip

That's been driving me crazy! I thought it was heat coming from the engine. Makes sense now! Thanks for the tip!
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