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Shadowy Daisy
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a type of filter used to reduce oblique reflections and increase color saturation

learn more… | top users | synonyms

0
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2answers
54 views

Nikon D3300 DSLR newbie: Which circular polariser [duplicate]

I am a newbie at DSLR photography and still trying to get my head around the various filters one can buy. I currently have the default 18-55mm f/3.5-5.6 AF-P VR Lens and the Tamron 70-300mm Lens. I ...
1
vote
0answers
52 views

What happens when I turn my polarizing filter? [duplicate]

When my polarizing filter rotates, what is physically happening when I rotate it from the "on" to the "off" position? I can see the difference, but I'm interested in a physical explanation, as my ...
1
vote
3answers
100 views

Pros and cons of circular polarizer filter vs a linear one [duplicate]

There are some similar questions like What is the difference between a linear and a circular polarizer? but I am thinking of a comprehensive list of the pros and cons of the two types of filters. For ...
24
votes
10answers
5k views

How do I choose a polarizer?

It was suggested that I should get myself a polarizer filter to get over my reflection problem. ( How to avoid reflection when taking a picture of a ceramic object with a shiny glaze? ) I found out ...
3
votes
2answers
87 views

Quickly Move A Circular Polariser Between Lenses

I have sausage fingers and often shoot in cold and wind. I have a 77mm circular polariser and rings that I leave on my lenses that step them up to 77mm. I find screwing and unscrewing the polariser an ...
3
votes
2answers
89 views

Polarizing filter works only by rotating camera

I have an olympus E-PL1 mirrorless camera. I recently got a Hoya HD circular polarizer for use with a wide angle lens. Using it, I initially found that there was no varying polarizing effect as I turn ...
9
votes
4answers
366 views

Circular polarizer works great at shorter focal lengths, but significantly degrades the image at longer lengths. Why?

I bought a cheap CP recently to play around with, and noticed an interesting phenomenon: Using it with my 24mm lens on full-frame, images turn out tack-sharp - there is hardly any difference in ...
1
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2answers
104 views

Is my CPL faulty?

I recently a got a CPL filter for my camera. It is manufactured by a company called Massa. I tired playing around with it but never figured it out. The only thing it is does is make my photo yellowish....
1
vote
2answers
67 views

Do circular polarizer gels for creating left and right handed polarized light exist? [duplicate]

I am looking for a polarizer gel for our lights, but specifically one for creating left or right handed circular polarization. I can find linear gels all over the place. I can even find circular ...
2
votes
1answer
150 views

Gel circular polarising filter

I am contemplating buying a lens that only takes rear gel filters. Is it possible to buy a circular polarising filter in gel format? If so, who can supply them (preferably UK based)?
30
votes
3answers
2k views

What is the difference between a linear and a circular polarizer?

When I bought my polarizer, a friend told me that I should get a circular one, because the linear ones can mess with the autofocus. Is this true? What should each be used for?
15
votes
9answers
9k views

What is the difference between using an ND filter versus 2 polarizers?

I know what an ND filter does. I know what a polarizer does. I also know what two polarizers stacked together and rotated properly do. So the question: why should I use an ND filter to achieve a ...
3
votes
6answers
6k views

Is there any reason to place polarizer filter before ND graduated one?

Is there any reason to place polarizer filter before (the first in stack) ND or/and ND graduated one (for example as we can see on Lee 105 mm ring)? Is there any technical reason to do that or it's a ...
7
votes
4answers
2k views

How can I fix a sticky polarizing filter?

I took a gamble and bought a used B+W Circular Polarizer off eBay. The filter looks great but the adjusting ring is a little bit sticky. Is there some way to lubricate this?
4
votes
2answers
133 views

Can I use a polarizing filter as a neutral density filter to create motion blur on airplane photos?

Context Looking at the answer on How do I take pictures of planes flying at an airshow? I see that many of the shots have blurry rotors. I'm currently shooting at (210mm (1.5x crop), ISO 100, 1/800, ...
1
vote
0answers
39 views

Are polarising filters absolutely needed or can the effect be created in post processing? [duplicate]

I am new to photography, just upgraded from a Sony Cybershot to Canon Rebel T6i. I recently shot a lot of landscapes and found they are lacking the punch present in most usual shots. After some ...
2
votes
1answer
47 views

How to prevent reflections from overhead lighting?

I was taking pictures of a desk in an office with overhead lighting. The light reflected off the desk and created shiny spots on the desk so that it wasn't uniform. Is there a way to prevent this? ...
1
vote
1answer
65 views

What are the Hoya circular polarizer types?

I have a Canon 18-55mm lens. I want to buy a new polarizer for it. The diameter of my lens is 58mm. I want to go for Hoya. But there are 5 or 6 different circular polarizers of Hoya for 58mm diameter. ...
0
votes
1answer
47 views

Polarising lens size for Nikon D7000 [duplicate]

I have a Nikon D7000 and need to buy a polarising lens but don't know what size lens I need. I have the the starter kit lens AF-S Nikkor 18-105mm1.35-5.6g ED. I'm new to photography.
0
votes
1answer
209 views

How can I use a polarizing filter with my Canon Powershot G15?

I am about to be in Utah for about 3 months for work, and rather than lugging my full DSLR kit I am only going to take my Canon G15. However with the landscapes and skies I expect to see, I know that ...
2
votes
2answers
5k views

How do Rodenstock filters compare to B+W, Heliopan, and Hoya HD?

I am looking for a good filter for my 67mm thread lens. I have good experience with the Hoya 8Layer HD cir-pol filter and I really like that it is not as dark as other filters, but it is very ...
1
vote
2answers
143 views

In what type of conditions do I use a polarizer on a 300mm lens?

I found the questions relating to polarizers, but haven't found any info on a 300mm zoom lens with a polarizer. Is this because it is not suggested to be used on 300mm zoom lenses? I use this lens to ...
1
vote
2answers
422 views

While stacking filters, can polarizing filter be placed behind ND filters?

I have a ND filter (10-stop, 100mmX100mm square size) with a filter holder. The filter holder (similar to LEE or Formatt-Hitech holders) connects to the camera with a screw-in adapter (77mm and 82mm)....
2
votes
1answer
134 views

Why do phase-detection focusing sensors not like linearly polarized light?

I learned that polarizers did not work with autofocus and we had to get new "CPL" filters, 27 years ago. I even understand how they work and the nature of the light produced, which was a lot more ...
2
votes
1answer
277 views

Polarizing filter causing soft, hazy shots?

I'm having a problem with a polarizing filter that's I've used for years. I have a Nikon D7000 w/18-200mm lens. I keep a UV filter on the lens, and on occasion I add a circular polarizer, which just ...
5
votes
2answers
150 views

Is direct sunlight reflected from white animal fur affected by a polarizer?

I have a friend with a bright white cat. Photographs of this cat outdoors in direct sunlight feature either a glowing white blob or very underexposed surroundings, depending on what the point-and-...
1
vote
1answer
238 views

Add an orientation mark to a polarizing filter's rotating ring

I love the effect a polarizing filter can have when used appropriately; less so the need to rotate the filter around to work out its current orientation. I like the idea of adding a clearly visible ...
5
votes
2answers
3k views

What do I need to know about using a polarizing filter at night?

I am into night photography, and am looking at buying a polarizing filter. What particular advantages and challenges are there to using a polarizing filter at night? reflections from light on ...
1
vote
0answers
88 views

Recognize dry areas by separating diffuse and specular reflections [closed]

This is a machine vision/imaging sort of a problem where we wish to detect dry areas on mostly wet surface. In order to reliably do that we'd like to optimize the imaging side of it. At the moment we'...
0
votes
1answer
149 views

Using a linear polarizing filter with a DSLR [duplicate]

Can I use a linear polarizing filter with a DSLR camera in manual mode?
0
votes
1answer
93 views

Which polarizer is better [duplicate]

I have been looking at get a polarizer and some nd filters for my sigma 50mm art lense. From my research, it looks like the best are B+W and Hoya. Does anybody have any experience with either brand on ...
3
votes
2answers
924 views

how to use a circular polarizing filter [duplicate]

I am testing out a B+W 49mm Circular Polarizer filter, but there is no marking, or indication where the starting position supposed to be. If the filter is supposed to be turned to turn polarization ...
0
votes
1answer
246 views

Why does the use of multiple filters create vignetting?

Recently I have had vignetting problem with my Sigma 18-200mm f/3.5-6.3 DC OS HSM (72mm) After checking, it is specified in the manual that one should not use multiple filters or thick filter (as ...
0
votes
1answer
275 views

Usefulness of a Broken Polarizing Filter

I picked up my camera bag a few days ago, which was not zipped shut. Out fell two of my lenses. In the process I broke the focus motor on one lens and cracked a Hoya HD polarizing filter on the other ...
2
votes
2answers
1k views

Can looking at a computer screen show the difference between linear and circular polarizing filters?

About the difference between linear and circular polarizing filters (quite well developed on this Q&R): What is the effect of placing those filters in front of a computer screen? I have seen two ...
6
votes
3answers
275 views

How does a polarizing filter work?

I know what a polarizer does to the light, and how it works technically (filtering out some of the oscillation directions of the electromagnetic radiation), and also how this affects pictures (...
6
votes
3answers
522 views

Do I need a polariser for winter sports?

This will be my first year taking my DSLR to the slopes, I want to get the best pics possible. I have thought for a long time that the main thing I would need is a circular polariser to eliminate ...
1
vote
2answers
533 views

Can a circular polarizer filter cause noisy images?

I am using a Canon 450D with 17-85mm Canon lens. I noticed that the image is very noisy when I use my CPL filter. Is my filter bad quality or is this normal? I notice this especially when I take RAW ...
2
votes
2answers
851 views

Is it possible to safely disassemble a polarizing filter?

I just purchased an Hoya PL-CIR filter off craiglists (I'm starting photography and it was cheap) and it looks like there is some dust/dirt between the two lenses. Is there a way to safely ...
11
votes
5answers
6k views

Is it wise to use polarizing filters with wide-angle lenses?

I've been looking into whether to use a regular UV or polarizing filter for a 16mm wide-angle lens and have found that a large number of people believe that you should never use a polarizer with a ...
-1
votes
2answers
156 views

Polarizing filter [duplicate]

I am new in photography. I am planning to buy a "Polarizing filter" for my lens. Actually, I know very little about this filter. So, I am not sure, does it really necessary to take good color ...
0
votes
2answers
144 views

Homogeneity of a filter, when does it matter?

I read a review of circular polarizing filters in www.lenstip.com and one of the tests is to judge the homogeneity of the filters. Quote from the test explanation page: Homogeneity is a ...
3
votes
3answers
301 views

How do I keep a polarising filter from coming loose?

I've got a certain lens + filter combination that won't work well together. My polarising filter keeps coming loose when I rotate it. Is there a trick to keeping it attached, like putting something ...
3
votes
2answers
583 views

Do I need a slim or normal polarized filter for a Tokina 11-16mm wide angle lens?

I have a Canon T3i body and I recently bought the Tokina wide angle lens for landscape and astro-photography. I am looking to buy a polarizing filter, but I'm not sure if I should get the slim or the ...
11
votes
5answers
1k views

What is causing this extreme glossy effect when using a polarizing filter?

I have noted a few times at car shows and events when processing my images that some have what i can only call an extreme gloss effect - OK this car was shiny, but the image looks very striking and un-...
3
votes
2answers
482 views

Are these ghost light spots and vertical grain indication that my scratched polarizer is ruined?

Earlier, I unfortunately dropped my polarizer. There doesn't seem to be any damage save for a light scratch which I've uncovered only after a very thorough inspection. Nonetheless, I'm worried that ...
2
votes
1answer
347 views

Circular Polarization and Passive autofocus [duplicate]

Couple of weeks ago, I was assigned a homework in one of my Applied Physics master's course. My professor asked to explain why passive autofocus works only with circular polarizers. I am not a very ...
3
votes
1answer
112 views

Why do some polarizers transmit more light then others?

How do filters such as the Singh-Ray LB Polarizer transmit more light then other circular polarizers? I am particularly interested in this technology because they claim to only add 1-1/3 stop to the ...
2
votes
2answers
828 views

Are neutral density filters or polarizers better for a desert environment? Or another filter?

Desert environment includes actual desert, some water (yes, I said that), some (dusty) city scenes, some POSSIBLY shiny buildings and pools of water. The research on this suggests that ND polarizers ...
5
votes
1answer
571 views

How does a circular polarizer affect the “stars” from strong lights at night?

When taking night photos at narrower apertures strong light sources such as streetlights demonstrate a star effect based on the number of blades in the lens' aperture. What effect would a polarizer ...