Forgotten in its old age

by Aditya

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14,255 reputation
1846
bio website j.mp/NZPHOTOS
location Auckland, New Zealand
age
visits member for 3 years
seen 2 hours ago

Electronic designer. Professional Engineer. Oldish aka "reasonably experienced" :-).
Contact - apptechnz gmail com <- you know the drill.
Tel: +64 9 837 2999 gmt+13

Special interest in technological solutions for developing country applications. Extensive in-China experience in product development & manufacturing in China.

Jack of all trades, Master of Electrical engineering. (aka ME (elec)) Interested in all aspects of modern technology. Professional qualifications in electrical engineering but practically proficient or conversant in many peripheral areas.

Recent extensive experience in solar powered LED lighting development and manufacturing in China for markets worldwide.

"Servant of the Most High God" / committed Christian. Happy to work enthusiastically and interact amicably with people of all nationalities and creeds.

Married with 2 adult children.

Obsessional photographer.


4h
awarded  Good Answer
Aug
23
comment How do I handle international copyright violations?
... I I've got that wrong, my apologies, and you can of course restore the image. [Replace the x by 1 in the above link.] Even leaving the image on Imgur MAY have the sane effect but I'll leave that to you to sort out. This site has your image on it, AND they state that they got it from The NYC department of records
Aug
23
comment How do I handle international copyright violations?
I've taken the unusual step of disabling your own image BECAUSE by posting it here I understand (possibly incorrectly) that your are giving people the legal right to do exactly what you are concerned about people doing. I understand that All images posted onto this site by people who have the rights to do so assigns CC-by-SA rights to them. ie "Share — copy and redistribute the material in any medium or format. Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as copiers follow the license terms
Aug
23
revised How do I handle international copyright violations?
added 103 characters in body
Aug
21
comment Sony's a-mount vs e-mount
I'd be surprised to see the A-mount vanish. No e-mount cameras have in-body stabilisation (AFAIK) due (probably) to the all round miniaturisation that goes with the mount. Sony's most expensive lenses are exceeding large. If e-mount equivalents were ever produced the reduction in camera size would be unimportant given the lenses size. More ...
Aug
21
comment Low light photography with lens limitation
Why did you use f/22? Are you aware that that allows an extremely small amount of light into the camera compared to apertures with smaller f numbers = larger apertures?
Aug
21
awarded  Self-Learner
Aug
20
revised What do I do about bright spots in my Nikon D810 images?
added 1258 characters in body
Aug
20
answered What do I do about bright spots in my Nikon D810 images?
Aug
20
asked What do I do about bright spots in my Nikon D810 images?
Aug
20
comment Seeking a way for “authoritiative”, proven method to prove that two photo images are “nearly identical”?
I wouldn't worry about trying to meet SkepticsSE "standards" - they seem to work on logic systems and "standards [sic] of proof" unknown in the scientific or engineering world. Just tell them that you saw a website that said the two were the same and they'll be happy. (You may have to post them both to a site and say they are the same and give them the link if they are in rigorous mode).
Aug
18
comment Where can I find tables of common shutter speed and aperture values?
My A77 Sony offers 2 steps or 3 steps between standard power-of-two speed and aperture values. Others may offer more. You may wish to give users the ability to set the effective number of inter-stop steps which will affect the rounding.
Aug
18
comment Is there a quick fix for a DSLR which was dropped 3 feet and now won't turn on?
Affect of drops varies greatly. I dropped a Minolta 7D which has in body antishake about 1 foot onto concrete (it rolled out of a car door when I (stupidly) pulled out a long extension cord. The antishake mechanism died. | I (stupidly) dropped a Minolta 5D, also with in body antishake about 2 + feet (below elbow height) onto a bare board dance/hall floor. It was hard enough and loud enough that many people in the room made loud exclamations. It survived unscathed - maybe all the sympathy helped. Nikon will "advise you" if it has accident damage.
Aug
16
revised CIE Chromatic Diagram explainment
added 85 characters in body
Aug
16
answered CIE Chromatic Diagram explainment
Aug
14
comment Capturing fast moments, such as bullet
gpuguy - Here are a collection of Doc's 'iconic images' edgerton-digital-collections.org/galleries/iconic anbd here is a subset of some "bullets and blasts" ones edgerton-digital-collections.org/galleries/iconic/bullets | If you really aspire to doing things like this you'll want to work up from easier ones, and "cheating" with "as slow as you can manage while maintaining realism" bullets will help you greatly. If you can get down to the say 300 fps range then the required 10 uS or so flash window would still be "very hard", at least.
Aug
14
comment Capturing fast moments, such as bullet
@DavidRicherby - I'll assume that you aren't just trolling and that you wrote what you did because you did not read and/or understand all of what I wrote. | Thanks for correcting my wrong name for PE. Even though your correction was also in error it brought to my attention that the correct name is "PerkinElmer" - something I'd missed.
Aug
14
comment Capturing fast moments, such as bullet
.... this Rifle Ballistics Summary Table which gives muzzle velocities for a wide range of rifles, and a link to the PerkinElmer Flash and Arc Lamps catalog which shows real world flash performance and limitations. | If @gpuguy is serious about obtaining photos like these he is probably going to have to put serious effort into obtaining bullet velocities below "the normal" and give some thought to some very special flash arrangements.
Aug
14
revised Capturing fast moments, such as bullet
deleted 3 characters in body
Aug
14
comment Capturing fast moments, such as bullet
@Jasmine - I'll direct this to you rather than David as his comment may be confusing. I gain the impression that he did not actually read through what I wrote. | I said "Say bullet was travelling at 100 feet per second .... so time is ~= 40 μS." And then I said "At 1000 fps that would be 4 μS. 1 μS would be even better." | (1 uS would be the required time at 4000 fps for a 1" long bullet to move 5% of its length.) |In a following comment I said "Most real world weapons achieve MVs in 1000-4000 fps range." And I provided a link to ....