Incense

by Bart Arondson

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14,683 reputation
1848
bio website j.mp/NZPHOTOS
location Auckland, New Zealand
age
visits member for 3 years, 3 months
seen yesterday

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.


Oct
11
answered Can I get a damaged Canon 70-300mm repaired more cheaply?
Oct
11
comment Can I get a damaged Canon 70-300mm repaired more cheaply?
Get a quote from Stephen Lee, Camera Hospital, Beencoolen street, Singapore - Camera hospital website here (Google knows). He's good, honest, friendly (although sometimes little spoken) and about as cheap as you'll get. Slow freight both ways and it may be worthwhile.
Oct
11
answered Can I use my room's wall as a diffuser for a spot light?
Oct
10
comment Can a photo of a book page be copyrighted?
It's a shame that the mild originality that is found in a bad copy is copyrightable while the great care and skill evidenced in a "slavish" copy is not. ie the greater artisan skills evidenced by the precision copier are penalised. Methinks the court lacks a photographer gene. Presumably I may freely copy the Corel CD :-). (Maybe they recopied it badly on purpose).
Oct
10
comment Sony a77 doesn't recognize Rokinon 85mm manual lens
I'll second @godfatherof polka's comment re focus peaking. This is extremely useful and allows easy rapid and precise focusing on specific points. In complex scenes where the desired focus point is surrounded by objects at other distances, focus peaking + manual focus allows easy focusing where even the very best AF may have problems.
Oct
5
comment Was there ever a photo that made people cry?
ARBEIT MACHT FREI - more like pointless, decades too late, blind fury
Oct
5
comment Was there ever a photo that made people cry?
.... Here 'tis - no great reaction now - some years old. Few others would be so moved :-). bit.ly/WeShallRememberThem [Happens to be taken on our nations "most holy day" on the way to an "Anzac Day" celebration. Note representatives of all armed services behind pipers and then supporting gaggle of 'ordinary folk'.
Oct
5
comment Was there ever a photo that made people cry?
A few of mine made me cry on occasions subsequently - and some still produce a substantial reaction long afterwards. It's harder to make that more universal, but by no means unknown. One of mine that gets to me in a good sort of way is of a marching pipe band in full array with a crowd of people strung out behind. It happens to evoke a sense of national pride, memories of was losses long ago, patriotism, solidarity, patriotism and a bit more. To me, anyway :-). | "We shall remember them".
Oct
5
comment Was there ever a photo that made people cry?
@MichaelNielsen How many news photos do you remember instantly 3+ decades on? If somebody described a 30+ year old photo to people, how many people would know the picture they were referring to after a few sentences? This is one such. Most adults who saw that photo at the time had a fair enough idea of what it was about. A SMALL amount of accompanying text would not have hurt. Or a banner headline. ".... NAPALM ..." probably featured. | FWIW the wider shots that accompanied this sequence - but which I only saw decades later on - made it look and feel quite different.
Oct
2
comment How can I use flash with large apertures?
@user1034081 There is not enough data to know if reducing flash power will help or not. He said "a flash" so this could be on or off camera. The flash may be exposure coupled or may be manual and he may or may not be reducing manual flash power. Odds are it is an auto exposure flash linked to camera but until he says so explicitly there is a danger that we have missed something that is missing. (The elephant that is not in the room is often as dangerous as the one that is :-) ).
Oct
2
comment How to get long hair to fan?
@feetwet Mention of turbulent and laminar flow triggered a somewhat fight or flight reaction :-). I've been over-immersed in such in a totally different application of late and faced with mind boggling (to me anyway :-) ) material along the path to enlightenment. ["Don't ask" for now - may get mentioned if it works out].
Oct
2
comment How to get long hair to fan?
Note comments from some on a central eye shield to stop eyes drying in air stream.
Oct
1
comment Is it possible to get an interval precise up to 2 decimal places using a (software) intervalometer?
1.82 seconds in 12 hours is a part in ~ 24000. To resolve that down to say 5 degree steps is ~ 1 in 2 million. That's hard. If - as per my answer - you sync it on the start of the revolution following a trigger event and then count off some indicator of fractions of a turn it becomes close to trivially easy. Even if you have never used an arduino they are easy to use, easy to learn (for most values of easy) and can easily do what you want. Almost any other solution using off-the-shelf solutions is hard to very hard, or worse.
Sep
30
awarded  Explainer
Sep
30
answered Is it possible to get an interval precise up to 2 decimal places using a (software) intervalometer?
Sep
28
comment How do I accurately capture the colour of sunlight on a wall?
EVF is better than LCD for resolution. I do not know if there is a certified or profile-able colour calibration ability, but I find the WYSIWYG white balance extremely useful and that it produces a result which largely meets expectations. eg I photographed a wedding reception last weekend. Various lighting in gathering and eating areas. I both set a custom WB setting for the main hall lighting and used 'on the fly' WB setting for tables/groups/speakers etc. Mostly auto WB Ok enough for this but also scrolled through available presets on EVF or LCD to see which worked best. Results acceptable.
Sep
25
comment How practical is shooting in lowlight without a viewfinder?
@tomp (1) For the under-the-table example I'm not sure. More playing needed. (2)For the matte black housing the EVF display was brighter than what my eye could see - I mean, what I could see by eye inside the housing. The EVF & LCD both showed what the photo would show. In this case "correct exposure" was dealing with a light level that my eye-brain auto system had given up on.
Sep
25
comment why would you have a light meter chose your aperture for you?
Sometimes in special cases shutter speed is critical. Television pictures usually work best at some multiple of frame rate/2. eg 1/25th. 1/50th second in 50 Hz frame rate systems. Plasma TVs have internal clock rates that are best synced to to avoid some otherwise astounding results.
Sep
25
comment why would you have a light meter chose your aperture for you?
The aperture and shutter speed and motion effect can lead to interesting results. My profile picture is an example. Many people think it is a blurry mess (and much of it is) and at least one person here was extremely rude about it [Their SOP so no problem :-) ] but it's purposefully done. In this case its background is essentially contentless but this does not have to be so. Larger version of blurry mess here** zz
Sep
25
comment why would you have a light meter chose your aperture for you?
Related: Be aware of the effect of ambient light in photos with motion in. Your camera may expose the scene correctly for ambient light and so use a low shutter speed. The flash level will then be adjusted automatically and depending on mode used, the ambient may be signfiicant. This can lead to halo'd shots with sharp flash core and a blurred overlay from motion and ambient. You can experiment with this effect to achieve interesting results - but you don't want it accidentally.