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365/2021 - Expanding Horizons ~ 123/365
Treasure Hunt #68 ~ Triangles
Thank you to everyone who pauses long enough to look at my photo. All comments and Faves are very much appreciated
Stagecoach South East (SCEK)
YN16 WVR (15275)
Scania N250UD ADL Enviro400 MMC
Branded for the Triangle route (Whitstable / Canterbury / Herne Bay) yet making an appearance on the X3.
Golden Triangle .. This is where Burma, Laos and Thailand meet at a wide bend in the Mekong river.
Taken by me .. No edit © All rights reserved. Use without permission is illegal
Réf. : DSC02302
Leçon de géométrie : le triangle rectangle et son angle droit.
Dans cette photo non retrouchée, il y a quelque chose de schématique qui fait penser au trait suggestif d'une bande dessinée, vous ne trouvez pas?
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Geometry lesson: the right-angled triangle and its right angle.
There's something schematic about this unretouched photo, reminiscent of the suggestive lines of a comic strip, don't you think?
I used three extension tubes to get this macro shot of my kitchen meat tenderizer. I can honestly say that without this week's triangle theme I probably would have gone my whole life without taking a picture of this particular kitchen utensil. :D
Strobist Info for "Triangles in the Kitchen" shot
This was taken with a Canon 540EZ on manual, it was placed slightly higher and to the right of the meat mallet, the power was set at 1/32, and the flash was triggered with Poverty Wizards.
The Summer Triangle asterism can be seen here in the Great Rift, with Altair, the brightest star left of centre on the bottom third of the image, with Vega and Deneb. I will mark these in later on.
A shooting star from the Perseids meteorite shower can be seen in the upper left.
Lupine Triangles (One of the "52 Picks" this week, I am honored!)
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Found these beautiful flowers along the side of the road in Edgartown, Martha's Vineyard
@52Frames Week 23: Triangular Composition
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#52frames_triangularcomposition #52frames #52frames_photographer
#nikon #NikonNoFilter #d750 #24-70mm #marthasvineyard
#edgartown #katama #gotta_love_the_vineyard #flowers
#flower #flowerstagram #flowersofinstagram #garden #floral
@nikonusa
On the driver's door of an Edsel station wagon at Big M, 2009. Never properly processed until now. 21 seconds in the dark with red/yellow gelled flashlight.
So they call it the exposure triangle. Triangles are easy to draw. I put the three factors that contribute to exposure on the sides so I can illustrate the main effects that vary as you adjust each factor.
The exposure triangle shows the camera factors that you can change when you are adjusting your camera creatively. The triangle is notional. You cannot use it to construct an exposure calculation. One thing to note is that the shutter speed side of the trangle is actually more or less unbounded. Conventional cameras generally set a minumum exposure time of 1/8000 but maximum exposure time can be extended to many minutes with bulb mode.
There is a 4th factor. That factor is assumed constant for the triangle but of course it can be controlled as well. That is the amount of light in the scene. You can add light in several ways. Flash. Flood lighting. Going out in the midday sun (with the mad dogs and Englishmen.) You can subtract light as well. Turning down the lights. Going out at dawn, dusk or the dead of night. Placing a neutral density filter on the camera. If you throw on this 4th factor it becomes an exposure tetrahedron. Too hard to draw or make sense of.
Of course, it's just a pretty picture. An engineer would draw three axes. X, Y, and Z. Place each factor along an axis and then you can construct planes of correct exposure in the three-space defined by the cube. Hard to draw. Throw in the 4th factor, and it's impossible to draw.
Hey, someone liked this text so much they lifted it! gusindra.com/2011/08/16/exposure-triangle/
Here's a few notes on issues that come into play when dealing with the triangle:
1. If you stop your camera down heavily to f/22 or f/32 the light coming into the camera will decrease and so your exposure time will need to go up and blurring will become something you will need to deal with (generally by mounting the camera, or setting it down on a solid surface.) Something else will happen (a surprise!): every speck of dirt on your camera sensor will start to make itself visible on your photograph. This can be quite unpleasant. You can either pay someone to clean your sensor for you or you can get brave and buy a kit to do it yourself. Get brave... with the right gear it is safe and a whole lot cheaper.
2. Noise happens. You need to increase ISO to capture good shots in lower light, or to get good freeze with more depth of field (lens stopped down). If the subject is very interesting, forget about the noise. No one will see it. If you are still trying for the crisp noise free quality of a 100 ISO shot, you might try noise reduction software. Go easy though. NR software can make a shot look strange if you over do it. Experiment. Noiseware community edition is a nice one to try.
The impossible triangle - Il triangolo impossibile
The Penrose triangle, also known as the tribar, is an impossible object. It was first created by the Swedish artist Oscar Reutersvärd in 1934. The mathematician Roger Penrose independently devised and popularised it in the 1950s, describing it as "impossibility in its purest form". It is featured prominently in the works of artist M. C. Escher, whose earlier depictions of impossible objects partly inspired it.
en.wikipedia.org/wiki/Penrose_triangle
Visto a Mantova - Seen in Mantova, Italy - C5935
Non è un fotomontaggio!!
A vista in one of the more unknown and desolate places in the Golden Triangle, locatend in the western part of Iceland, near Reykjavik.