Re: Fenix TK70 Beamshot
Nice job!
And, yeah, the barn still needs some paint.
:nana:
I find for throwers with flood, like the TK70, SR90, etc...you need a LONG wide field with reference points on it...points you can say how far they are away, etc.
A lot of us use google earth for these long shots...as frankly, MEASURING the distances is a PITA.
:D
I use power line right of ways a lot, as I get both transmission towers and often telephone poles, etc, at known intervals, to act as reference targets.
A lake with a shoreline that you can make out is good too, as you can typically pan along an opposite shore/bank, and get a variety of shot distances from the same shooting point.
I find I need a tripod for the camera to make the long shots work at all. My early attempts were too blurry.
I use a note pad to record what I saw for the shots, as I typically forget a few hours later when uploading the pics.
For example, I might note I can see the 7th pole by eye, but not the 8th, and the left side but not the right of XYZ, etc...so later, when I post it..I can make sure its showing what my eyes saw.
Otherwise, the pics are too dark sometimes, and stuff my eyes saw looks black in the pic...or, too exposed, and stuff I couldn't make out with my eyes does show up in the pic.
I can then play with the exposure to make the pic show what I actually could see when there.
Luckily, with my new camera, its more or less spot on if I leave it on auto...the old camera was more of a PITA to correct things for. My only real deficiency with pics, now, is that with my computer screen, I see what was there...but when posted here at 800 pixels...the pic is solid black, as 800 pixels is not enough for say a very small dot of light from an aspheric light on something really far away...and its invisible online. If allowed to post at full resolution, you'd see maybe some leaves lit up 600 meters away...at 800 pixels, you see a black box.
:D
The other thing I started doing was to take a Pic of the LIGHT I was about to beam shot...so the pics have start/stop pics that make sure I don't forget which light took which shot...as some pics CAN look similar depending on the target (Some targets don't illustrate the differences in beam as well...like I had a bunch of shots of the top of a telephone antenna pole, which resulted in dozens of pictures of a few feet of antenna glowing in the dark, in mid air....and little evidence of the width or intensity on that bright line). It was a bad target...and I had to abandon it.
Typically, you want the widest target possible, as that really gives a good picture of from where to where the beam's hitting.
