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For questions pertaining to photographic filters, which are usually glass or plastic accessories that are either screwed onto the lens or otherwise added in the optical path.

learn more… | top users | synonyms (1)

6
votes
3answers
687 views

What should I do when I have lenses with different filter thread sizes?

I want to get a filter kit for my D3200 camera. I am looking at a nice one, the only problem is, the thread size on my regular lens is different then my larger lens. Will it work for both of them? If ...
0
votes
1answer
70 views

Which should be the next upgrade? [closed]

I own Nikon D5100, with 18-55mm lens kit. I am thinking of buying a new lens. Which is good? I am more of interested in portrait and natural photography. Also which filter works well for these ...
0
votes
3answers
2k views

What is the filter size for Nikon D5100 with 18-55mm lens kit? [duplicate]

What is the filter size for Nikon D5100 with 18-55mm lens kit? Is it 52mm or 58mm?
1
vote
2answers
348 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
455 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 ...
2
votes
1answer
163 views

What is an AA Filter?

This question is from most recent release of Nikon's new version, the Nikon D5300. In one review, D5200 vs D5300, it says the the D5200 has an AA Filter. What is an AA Filter? What are its specific ...
2
votes
2answers
357 views

Can an Optical Low Pass Filter be applied via a lens filter?

I constantly see references to video being the application where an Optical Low Pass Filter is most useful, but it seems that still images do best without one. Would it be possible to then have a ...
1
vote
1answer
90 views

Theory of Variable Neutral Filter [duplicate]

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. I also know that two polarizers are not the best solution. My ...
1
vote
1answer
112 views

How and should I clean a single fingerprint off a filter?

I purchased a ND 1024x B&W filter and it arrived with a small fingerprint near the perimeter of the filter. Should I clean it or just leave it as cleaning would do more harm than its presence? ...
5
votes
4answers
3k views

What should I look for in an infrared filter?

I'm looking to get myself an infrared filter to put in front of my lens. The cheaper ones all have nm counts (like 720nm, 950nm, 1000nm, and the way I understand this, the thicker, the better), but ...
2
votes
1answer
3k 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
votes
2answers
134 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 ...
7
votes
4answers
389 views

Do I need a polarising filter?

A friend of mine who has a lot more knowledge than me regarding photography says that I should use a polarizing filter on my lens as that will protect it from sunlight and prevent it from getting ...
0
votes
4answers
230 views

Effective filters for daytime landscape photography?

I do landscape photography, mostly shooting at dawn or dusk, but I never shoot during the day, the light is just too harsh. I've got a single polarizer and a few ND grads, but nothing else. What ...
0
votes
1answer
104 views

Will this adapter ring let me share filters between my lenses?

I have two lenses with 77m and 72mm filter sizes.I want to buy a ND filter of 77m .If I buy the adapter in below will I be able to use the same filter with my lens with 72 mm filter ring? Adapter ...
2
votes
3answers
394 views

How many filters can you stack?

The rental store only has 16X (4-stop) ND Filters, and I'd ideally like to get at least 8-10 stops of filtration. How many filters can I stack on top of one another before the image starts to ...
14
votes
2answers
1k views

What's the result of stacking ND filters in terms of total stops?

If you stack two 3-stop neutral density filters, does it reduce the exposure by 6 stops or 9 stops?
0
votes
2answers
106 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
183 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
284 views

How to clean a wet filter?

I recently bought a few expensive filters (100x100mm / 100x150mm). After a session of shooting in the beach the filters got wet, one from a splash and the other seems to be a bit wet because of the ...
-1
votes
1answer
80 views

How to remove overexposure with analog filter [closed]

I'm not talking about photography in this question, I hope not to be in the wrong place but I think here someone can give me good ideas. I'm working on some videos for computer vision tasks. The ...
2
votes
3answers
450 views

Are polarizing filters as useful on normal lenses as they are on wide-angle lenses?

I have seen people using Polarizing filters on many wide angle lenses. Is it worth using a Polarizing Filter on a 40mm 2.8f STM Pancake lens or any other prime lens?
3
votes
6answers
2k views

How to whiten the yellow light of a poorly illuminated picture?

I had some poor lighting during a photo shoot (amateur) and ended up with pictures like the ones below. Is there any easy way in Lightroom to correct and whiten the lights in these kind of pictures? ...
3
votes
2answers
328 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 ...
2
votes
3answers
524 views

How does one create this vintage look?

What program would I need or manual adjustments in order to create a photo like this? What is this filter called? I typically use Aperture as my editing program but would be open to using others.
3
votes
2answers
1k views

What does “frequency” mean in an image?

I don't understand how frequencies are defined in images/photographs. As far as I understand it now, high frequencies are like sharp things in images, like edges or so, and low frequencies are kind of ...
1
vote
1answer
153 views

Is there a correct order to stack Neutral Density with a Circular Polariser filter?

I like stacking ND and CP filters and I never really payed attention to the order I stack them. I was just reading a "professional hint" on the LEE website where it states that " the Polariser must ...
10
votes
5answers
960 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 ...
3
votes
2answers
434 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 ...
3
votes
4answers
2k views

How to protect my D7100 on holiday / at sea?

I have a Nikon D7100 (which does seem to suggest it has weather proofing), the stock lens (18-105), and the 35mm DX f1.8G prime lens. All are transported in weather proof carry cases. I currently ...
4
votes
3answers
194 views

How can I defocus part of an image in-camera separate from depth of field effects?

What physical tools (lenses/filters/etc) can be used to blur a part of an image whilst taking the photo. (I don't mean software filters in post-processing, and I want to blur selective areas ...
6
votes
2answers
241 views

Which exif tag to use to add filter data?

I've started using ND and polarizer filters in my shots. Since I'm learning to use them, I'd like to manually add this info to exif/iptc/xmp metadata of my shots, so later I can find images taken ...
1
vote
2answers
3k views

Why would I use a rear gelatin filter over a front filter?

Lenses such as the Canon EF 17-40mm f/4 L USM offer rear gelatin filter holders, but also accept front filters via a 77mm screw on type. If I was using a circular polarizer, I would need to put it on ...
0
votes
1answer
365 views

What is the best option for fitting an ND filter to an 82mm lens?

I recently got a new Canon EF 24-70mm F/2.8L II which requires 82mm filters. I going to shoot some falls and creek with this lens. In order to get the silk-like effect (long-time exposure) I will need ...
2
votes
1answer
185 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
2answers
8k views

What type of effects can I obtain with UV, FLD, CPL filters if any?

Can someone give me examples and show the difference. I obtained these from amazon. I have played with them for a little while and I am not impressed/bought yet. UV filter has no affect other than ...
2
votes
1answer
154 views

Are there issues with using Cokin/Lee style filter systems with compact cameras?

I'm interested in trying Cokin filters (or a similar system) on my Lumix LX-5. Has anyone had success with this, and are there pitfalls to be avoided such as vignetting on wide-angle shots? I've ...
3
votes
4answers
808 views

Where to buy cheap UV filters online?

I like to be extra careful with my lenses, in the hope that I can resell them for nearly what I pay. To this end, I use UV filters as an extra layer of protection(in addition to my paranoia :P ). ...
5
votes
1answer
137 views

Why would someone want a 58mm-58mm filter ring?

I don't even know what to call this thing. It's been sitting in a box of camera stuff for a while and I have forgotten where it came from.
2
votes
2answers
529 views

How to batch process dust and scratch removal in pictures with the use of filters?

I have a few hundred scanned slides that are about 30 yrs old and contain quiet a lot of dust/scratches. I'd like to use a filter to automate removal of most dust/scratches as I cannot realistically ...
1
vote
3answers
194 views

Neutral Density Filter for a 58mm filter diameter

I am planning to get a Neutral Density Filter for one of my lenses (58mm filter lens). But I am new to filters and clueless on the parameters to check for before I could select one. I recently ...
3
votes
1answer
313 views

What do the effects of different coloured lens filters have on B&W photos? [duplicate]

Assumptions: 35mm SLR, 50mm "standard" lens, Ilford FP4 or similar film, capturing daylight scenes with normal colours. What effects do colour filters have on film photos captured on black & ...
1
vote
6answers
1k views

What are the advantages of leaving an ND filter on a lens at all times?

I was chatting to a friend yesterday who had his Nikon D300 with a constant 2.8 aperture zoom lens (I can't remember the focal length, might have been around 17-55). The curious thing was that he had ...
4
votes
2answers
312 views

Blue / Green Water Filters and Shooting RAW While SCUBA Diving

I've recently gotten into SCUBA diving, and am curious about shooting with available light underwater. I've heard that when taking underwater photos with available light, an appropriate blue or green ...
19
votes
2answers
466 views

How do graduated ND filters actually work?

My question stems from the fact that the surface of the filter is completely out of focus. My understanding is that light from any one point of the subject hits the lens all over... some of it ...
0
votes
2answers
265 views

Which filter should I use on a bright day [duplicate]

What are filters for? If I want to use slow shutter speeds on a bright day, which filters are appropriate.
18
votes
6answers
1k views

ND Filter not Dense enough - How do I get long exposures in very bright situations, where my ND filter isn't enough?

What is the best way to achieve very long exposures in very bright, sunlit conditions? Right now, I have a Hoya ND-400 X filter (9 stops reduction), and even with my camera set to ISO 50, and F22, my ...
2
votes
2answers
550 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 ...
2
votes
2answers
1k views

What is the basic gear for astrophotography?

I have a Canon 60D and would like to start doing some astrophotography and/or time-lapses of the Milky Way. I know I need to buy a special tripod, one with either ecuatorial mount or a computer ...
4
votes
2answers
261 views

What are the uses of Neutral Density (ND) filters?

Apart from silky water effects and pics of crowded places what are other uses of ND filters? Almost every blog I have read mentions only these two situations. What other uses are their for ND ...