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Světlo z LCD monitoru je polarizované. Pokud nastavíte polarizační filtr tak, aby vám obrazovka zčernala, jakýkoliv průhledný plastikový předmět tuto polarizaci mění a tím vznikají podobné psychidelické barvy. Zkuste si to, tohle je například obal na DVD...
Lazy Summer: Tom Buoy - 4 (of 5) - Panasonic Lumix FZ200 & Polarizer - Photographer Russell McNeil PhD (Physics) lives on Vancouver Island, where he works as a writer.
pictionid73792252 - title--polarized lights c34 - catalogbonnalie0052 - filename--polarized lights c34--Allan Bonnalie Collection---Note: This material may be protected by Copyright Law (Title 17 U.S.C.)--Repository: San Diego Air and Space Museum
Just playing around in the 5 minutes of light I had...decided to use the polarized filter I haven't been able to use for weeks due to lack of sun.
BTW...This one is NOT HDR.
Nikon D850
AF-S NIKKOR 85mm f/1.4G
5 sec
f/ 3.5
ISO 64
Carl Zeiss T* POL Filter (circular) Ø 77mm [montado en lente pero orientado hacia la mínima reducción de brillo en el suelo]
Two photos taken to show the use of a PL circular polarising/ polarizing filter.
The polarizing filter has two applications in both color photography and black-and-white photography: it reduces reflections from some surfaces, and it can darken the sky.
This photo was taken without the circular polariser on and you can see there is significant glare or reflection from the body and windows of the bus. Also, the red buildings behind the bus look rather dull. Compare this photo with the next photo and see the sharly reduced reflection from the bus and windows, as well as the reduced haze when the polarizing filer is put onto the lens.
Read more from Wikipedia:
en.wikipedia.org/wiki/Polarizing_filter_(photography)
Fairly easy setup to take pictures of the stresses in plastic, all you need is an LCD monitor and a circular polarizing filter.
Today, I rode down to Miami to drop off my Mom and her mom off at the Port of Miami so that they could go on a cruise, and I can't tell you just how envious I am of that! But still, I hope they have a good time.
After dropping them off at the cruise terminal, we got lost in downtown Miami. I, for one, have never been to Miami before, so this was a first, and I say it was one of the most disheartening things I've seen.
Miami is the perfect example of social polarization. At least in downtown. Miami has literally leveled whatever little was left of the city's short, but important history, and has replaced them with soaring structures, multimillion dollar condos on Biscayne Bay and is basically rebuilding the whole city just around the Port Blvd area.
What is so amazing to me, is how a city could so easily let things slide and how it could leave some people behind. It was a tale of two streets, really. first, we accidentally missed the ramp to north I-95 and got on a one-way street. It took us through what was once old Miami. In the shadows of the building cranes of condo towers for the parvenue, were tiny storefronts, scarred by time, altered almost beyond recognition. Garbage strewn sidewalks. Drug dealers on the street corners. Squatters, dozens of them, stinking under awnings of vacant buildings. I'm not bothered by the sight of homeless people. I am not "sheltered" as many assume me to be because of my upbringing, but I'll address that a little later.
We turned down one street where the one we were on dead-ended, passing a sparkling, newly constructed condo tower. Moving vans cluttered the road and household furnishings were being carried here and there. These were expensive condos too. You could tell that by the look of the furniture going it. Ugliest stuff I ever saw.
On the other corner, near the condo tower, and looking lonely sandwiched between a vast vacant lot - newly cleared for the next multi-million dollar high-rise - was a tiny, but lovely house from the pre-1910s, sagging from neglect, but looking cheerful by the christmas lights the owner strung across its oddly painted cornices. I wonder how much longer that lovely little house will stand there before it too is claimed by the gentrification that is sweeping the city.
The street led through the blighted neighborhood again, more garbage on the sidewalks, but no squatters. Turning east, crossing the northward one-way street we had missed our turn on before, we ended up on a street that ran paralell with US-1.
This street, just one over from the street littered with garbage, squatters and drug dealers, was populated by a much different kind of resident. There was one man that struck me in particular. He was older, probably in his early sixties. Gray pinstripe suit. Big gold ring on his pinky. Smoking a cigar. You could see the money oozing down the street. Businessmen busily stomping down the sidwalk, talking on their cell phones, closing the next big deal. There was money on this street, that was for sure, but what amazed me was how close (within one street) it was from the "Bad part of town." How a city could be showering money on one street, and then completely ignore the other. Perhaps, it's just not quite fair.
Not that the government needs to be showering these squatters and drug dealers, pan handlers and women-of-ill-repute with money to get their butts out of there. Rather, people need to take responsibility in their own hands and move themselves out of there. That's why squatters and homeless people don't bother me. They got themselves into that situation, they can certainly pull themselves out of it if they really wanted to.
Call it cold. Call it heartless. Call it the insensitivity of the Bourguoise, but that's the only way one can get rid of poverty. You can only educate the people to pull themselves off their backsides and onto their feet in order to get any result worth mentioning. People will not be motivated to work if they can just sit on their backsides and sap money from an already overspent and heavily-in-debt government. One can't just throw money at the problem and expect it to go away. But I suspect that's what Miami has done for years.
So Miami has paid a heavy price. They've got their dream tax-base and their prestigious list of citizens, but at the cost of their history, and at the cost of their law-abiding citizens, who have to deal with the effects of rampant crime, and the insufficiency of dealing with poverty and homelessness. City government can't be bothered with major problems. They're too busy building their high-rise multi-million dollar condos and taxing people to fix the real problem. I'm sure that they have made strides in the past couple years, but with this sudden craving of the money from the build-build-build insanity that has swept America, it's almost a certainty that they will end up in the same rut again.
IMHO a polarizing filter should nearly always be used in landscape photography. Upper without, bottom with it: better sky, better contrast, better color balance.
My photo walk of June 8, 2023 in Lyon, France by a stunning summer day with my Nikon F SLR camera (circa 1964-1965). The guiding idea was to use a circular polarizing filter with a color negative film for all outdoor pictures. I did my photo session between about 2pm to 5pm. The temperature reached 33°C in the afternoon and the atmosphere was very clear and dry.
My 60's Nikon F was equipped with its normal lens Nippon Kogaku Nikkor-S 1:2 f=5cm with is lighter than my later period Nikkor-S version 1:1.4 f=50mm from the early 70's. The lens was equipped with the original Nikkor F metal shade hood specific of the 1:2 f=5cm. For all outdoor views the lens was also equipped with a Hakura 52mm polarizing filter oriented for the best color saturation.
I used a Fujifilm 200 36-exposure negative color film (this film is made in the USA and given with the same technical characteristics of Kodak Gold 200). It was exposed for 50 ISO to compensate the polarizing filter absorption, using an Autometer III Minolta lightmeter fitted with a 10° finder for selective measurements privileging the shadow areas.
Passerelle de l'Homme, June 8, 2023
Quai Saint-Vincent
69001 Lyon
France
After exposure, the film was developped by a local lab service using the C-41 protocol. The film was then digitalized using a Sony A7 body fitted to a Minolta Slide Duplicator installed on a Minolta Auto Bellows III with a lens Minolta Bellow Macro Rokkor 50mm f/3.5. The RAW files obtained were processed without intermediate files in LR and edited to the final jpeg pictures.
All views of the film are presented in the dedicated album either in the printed framed versions and unframed full-size jpeg accompanied by some documentary smartphone Vivo Y76 color pictures.
About the camera and the lens :
This exemplary of Nikon F (engraved "Nippon Kogaku Tokyo") has a serial number beginning by 658xxxx and was consequently manufactured in the mother Oi Nikon factory in Tokyo, Japan, between Dec. 1964 and April 1965. I bought the camera in Feb. 2022 from Japan. The Nikon F body came with the normal lens Nikkor-S 1:2 f=5 cm, branded "Nippon Kogagu". For the photo session the body was equipped with the body shell of a late Nikon F CTT ever ready bag. This body shell holds the original leather neck strap and is made of a metallic shell covered outside by a black leather and a dark-red velvet inside.
Put a polarizing filter on your camera, and then hold up a transparent piece of plastic in front of an LCD monitor. Trippy.