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05-20-2018 06:25 PM  6 months agoPost 1
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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In many (most) of the close-up pictures of RC helicopters (taken by their owners) I see online, there is almost always a sprinkle of rust on the ferrous metal parts (screws, bolts, links - etc).

In my cases, I cannot see any rust on the parts before I take the picture.
But after, when I post the picture online or look at it on the computer, it looks like it has been sitting out in the salt air near a beach

When I look at someone's "For Sale" ad, the heli looks used and abused - rusty and dusty. But I would be willing to bet that when they took the picture, the heli looked fine to their naked-eye.

What's up with that?

Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!

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05-22-2018 06:00 AM  6 months agoPost 2
Gearhead

rrMaster

Vt

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I can not explain it, but it's a digital thing. I took a photo of one of my engines yesterday and it showed a burr I had not seen before, and for the most of the time taking photos of my granddaughter with the digital Phone camera doesn't get the depth on her face correct, that's the same with my daughter-in-law, they both have darker skin,

I like the idea of taking a photo and sending it a 1000 miles away all in 2 minutes or less, but some of the photos just don't look correct

Jim
Buzz Buzz Buzz

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05-22-2018 03:03 PM  6 months agoPost 3
wjvail

rrKey Veteran

Meridian, Mississippi

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That's funny - I understand exactly what you are asking. If I want to find a speck of dust, a spot of rust, or a nick in the finish, etc., all I have to do is take a picture of it.

I don't have an exact answer but here is what I've come up with. Photography is a second hobby for me. As such, I have some pretty good camera equipment and I view my digital pictures on my 70", 4K TV/Monitor. The end result of this is looking at items that might be 3" tall when in my hand but 2 feet tall when displayed on my monitor. Furthermore, the camera does its best to optimize white balance for best viewing and the very fact that the imagines are the results of Light Emitting Diodes means they are potentially brighter. So, in effect, you have a ultra bright, ultra large, ultra clear digital images. Contrast that with my ultra dim, pin-sized, ultra fussy eyeballs and I just see more in my photographs.

Pretty non-scientific but it's what I've come up with to explain the results...

Bill

"Well, nothing bad can happen now."

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05-22-2018 03:40 PM  6 months agoPost 4
RM3

rrElite Veteran

Killeen, Texas - USA

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black oxide finish screws reflect that way (like laser speckle) unless they have a coating of oil on them, same with other metallic surfaces.... cameras pick up on it but our eyes do not.

showing a preference will only get you into trouble, 90% of everything is crap...

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