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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)

0
votes
1answer
82 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
279 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 ...
0
votes
2answers
93 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
150 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 ...
-1
votes
1answer
75 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 ...
3
votes
2answers
199 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 ...
2
votes
3answers
343 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
1k 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? ...
2
votes
3answers
406 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.
2
votes
2answers
338 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 ...
6
votes
2answers
592 views

How do rear gelatine filters compare optically with “regular” front-mounted filters? Where to buy them? How to cut them?

I have a few lenses with with a rear filter holder so I would be curious to know how the rear "gel" filters compare with regular front-mounted filters in terms of optical performance. Until ...
1
vote
1answer
123 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 ...
3
votes
2answers
625 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 ...
3
votes
4answers
1k 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 ...
10
votes
5answers
873 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
224 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 ...
3
votes
3answers
322 views

Will a filter cause more or less damage when lens is dropped?

I recently dropped my camera bag from around waist level to the ground. The ground is somewhat padded (carpet) and the bag itself has padding (the typical messenger type of bag's padding). The camera ...
6
votes
2answers
183 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 ...
4
votes
3answers
171 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 ...
0
votes
2answers
1k 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
290 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
150 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 ...
2
votes
1answer
141 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 ...
5
votes
1answer
123 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.
0
votes
3answers
161 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
231 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
666 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 ...
3
votes
2answers
250 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 ...
0
votes
2answers
223 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.
19
votes
2answers
454 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 ...
2
votes
2answers
441 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
570 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
241 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 ...
1
vote
1answer
693 views

Where can I buy a filter for UV photography in Europe? (sub 400 nm)

Does anyone know where one can purchase filters for UV photography in Europe? These are the opposite of standard UV filters - these block visible light and only allow UV to pass through. All I could ...
11
votes
1answer
2k views

Why are my results with a variable neutral density filter poor?

I bought a inexpensive variable neutral density filter, this ND2-ND400 variety. I wasn't expecting a whole lot because of the very low price point, but I think I'm either using it incorrectly or my ...
6
votes
3answers
4k views

How do I make a package look “heroic and important” in a advertising shoot?

I've been given the following assignment, and unsure what to do with it. An advertising agency has hired you to photograph individual "pack shots" of a range of packet soups. The soups come in ...
2
votes
2answers
440 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 ...
2
votes
2answers
819 views

How can I find out if the polarizer filter is linear or circular?

How can I find out if the polarizer is linear or circular? Is there anything else to know about it? All I know about a polarizer is that it's useful when taking pictures of water or windows.
1
vote
2answers
873 views

What is the use of these Hoya +1 and +2 filters?

I found some old filters (labeled +1, +2) which my dad used on his SLR back in the day. I'm not sure what they're good for or if they're useful on my DSLR. Can someone tell me more about them (i.e. ...
3
votes
2answers
331 views

How can I use 58mm filters with the Sony Nex-7?

I have 58mm filters, and I found out that the Sony filter size is 49mm. How can I use the larger filters with my Nex? Would I need a step up ring? Would it be better to buy 49mm filters instead? ...
3
votes
1answer
338 views

What is lens filter size of Kodak Z990?

I have a Kodak z990 Max digital camera and the filter size is not noted on the lens front and not mentioned in the documentation. I figure it is probably in the range of 50-52mm. Can you help? Kodak ...
4
votes
3answers
951 views

Which filter do I need to perform NDVI measurements?

I have Nikon D70s DSLR camera and i would like to modify it for NDVI (Normalized Difference Vegetation Index) measurment. I am looking for the filter that can pass effectively RED and NIR band but ...
5
votes
1answer
244 views

I can't buy a streak filter where I live. How do go about making myself one for my DSLR?

Generally used to achieve the anamorphic 'streak' effect.
7
votes
3answers
888 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?
3
votes
2answers
249 views

What visible-blocking filter to use for XSI IR conversion?

I have converted a XT at home with excellent results. I now wish to convert a XSi and I am having trouble locating a visibe blocking filter except for the Life Pixel filter. Their filter price is out ...
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 ...
4
votes
2answers
1k views

Infrared Photography - How to set White Balance?

When I started out photographing in infrared I wasn't setting a specific White Balance (I let the camera set on automatic). Then I started learning more about how people take infrared shots, and that ...
5
votes
1answer
96 views

Can I attach more filters to a full frame lens on a cropped body without vignetting than with a cropped lens?

It seems to me that because part of the image the lens is passing to the sensor gets cropped due to sensor size that it would take more vignetting to reach the cropped sensor. Is that right and how ...
5
votes
0answers
93 views

How to separate two stuck filters [duplicate]

Possible Duplicate: How do I get a stuck screw filter off of my lens? What are the best techniques for separating two filters that are stuck together (In my case a polarizer and a UV ...
8
votes
3answers
744 views

Circular polarizer in underwater photography?

Today, I was watching a underwater video and suddenly asked myself if anyone has used a circular polarizer or polarizer in underwater shots or videos? I searched on the internet but nothing ...