Questions tagged [filters]
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. Use "software-filters" for effects filters applied in apps such as Instagram, Photoshop, GIMP, etc.
541
questions
4
votes
1
answer
249
views
What happened to this CPL filter?
What happened to these CPL filters? Is it reversible? Can they be cleaned or fixed? The damage looks like it is inside the glass. I'm concerned it's fungus or something else.
My father bought them ...
3
votes
1
answer
602
views
Why are my recent film photo’s coming back grainy/blurry?
On my last three rolls of film I’ve had developed the pictures have been excessively grainy.
This is apparent on looking, but once zoomed in (even a tiny bit) all definition/detail is lost and the ...
- 31
1
vote
1
answer
120
views
Ruggedizing UG11 and other humidity/oxidation sensitive filters
I am needing to use Schott UG11 filters (and other coloured glass filters, of which UG11 is the most sensitive) that degrade on a UAV setup. The degradation is a cloudy film that forms from the ...
- 291
0
votes
2
answers
77
views
Eliminate reflectivity towards oncoming traffic headlights
I have a couple of adapted commercial CCTV housings mounted on my car roof to do casual facial recognition tracking and license plate tracking. The issue is that the glass on the front of the housings ...
- 1
9
votes
2
answers
2k
views
What's the actual physics of diffusion filters?
Recently, I purchased a Tiffen Black Pro Mist which adds halation to highlights via diffusion. I read online that diffusion filters do not add data as the entirety of the effect can be recreated in ...
- 193
0
votes
1
answer
170
views
How to use a filter on a lens with a bulbous front element? (Rokinon AF 14/2.8) [duplicate]
I have a wide-angle lens, but the hood does not come off. The lens is a Rokinon/Samyang AF 14mm f/2.8. Is there a way to use a filter besides using an adapter filter?
0
votes
1
answer
283
views
Should I leave my UV filter on permanently? [duplicate]
I got into the habit of buying off-the-shelf UV filters early on, and I've stuck to it. My M. Zuiko 'kit' lenses always have their UV filters fitted, except when I want to use something else like an ...
- 528
5
votes
2
answers
925
views
Hardware / post for crisp sunrise
I have been trying to take photos of the sunrise. In my arsenal I have ND8-ND100 filters and each time I tried a different iteration. My thinking was that with an ND filter I would be able to get well ...
- 349
1
vote
4
answers
1k
views
Why I am unable to focus at all while using ND filters
Lately, I am unable to focus with ND8 AND ND10 filters put over the kit lenses of my Canon1300D camera. Whenever I try to focus, it allows me to only reach to a point where the subjects are only ...
2
votes
1
answer
1k
views
What causes these horizontal lines from light sources?
I was watching the film Lupin, and I'm wondering, what is the name of that filter that makes those horizontal lines?
And also, is it a physical (like one you screw on a lens) or a digital (like one ...
- 51
1
vote
3
answers
168
views
2 stop filters and their use with digital cameras
Does a 2 stop filter have the same result on your picture as subtracting 2 stops with ISO/aperture/speed? What would be the purpose of the filter if you can decrease the light by other means with the ...
- 11
0
votes
2
answers
221
views
UV and haze lens for Canon Powershot SX50 HS
Looking for UV and CPL lens for this camera. As far as I am aware the supplied lens is 58 mm. Offers seem to have either 58 mm lens sets from Fotover etc. or 67 mm lens form Neewer etc. I assume for ...
- 1
3
votes
1
answer
259
views
Accurately Recreating Sierra and Walden from Instagram in Lightroom Classic or Photoshop
I'm trying to accurately recreate the Sierra and Walden filters from Instagram in Lightroom Classic or Photoshop. I've tried manually doing this before but have never quite got them just right. So I ...
- 63
2
votes
1
answer
66
views
Using Lightroom filters to answer: What ND Grad to buy first?
The question what ND graduated filter to get first is quite hard to answer. See: What ND Grad to buy first?
I had the idea to look at the images I already have taken in situations where I would liked ...
- 1,633
1
vote
1
answer
30
views
I can only see one filter at a time in photoshop
I am trying to reduce noise in an image by using the "reduce noise" filter + "surface blur", but i can only see one result at a time. I've tried using smart objects and also ...
Hot Network Questions
- Reducing required length of a mass driver using loop?
- How does Biden staying in the presidential race hurt Democrats in Congress?
- Poincaré duality and Mayer–Vietoris sequence
- A story about a personal mode of teleportation, called "jaunting," possibly in Analog or Amazing Stories
- Is there a reason why the Maclaurin coefficients of the Riemann zeta function are asymptotically close to -1?
- Why redirect_uri is needed when client_id is supplied in OAuth2?
- Connection between Parseval's Theorem to Fourier Transform is Unitary
- How would I translate GPT to German?
- Is "farfel" an idiolectical quirk/part of a familect?
- Can you shed some light on this dust-shielding ferrule?
- Is deciding to use google fonts the sort of decision that makes an entity a controller rather than a processor?
- Does the question "will I get transplanted" make sense to your ears?
- Is the "you" in "you may be perfect and complete" (James 1:4) meant as a group or as an individual?
- Is it rude to ask Phd student to give daily report?
- Flights canceled by travel agency (kiwi) without my approval
- How to receive large files guaranteeing authenticity, integrity and sending time
- What is the name of the floor pump part that depresses the valve stem?
- How do I know if a motion is 1 dimensional or 2 dimensional?
- Left crank arm misaligned on climb
- Subscripting a custom \mathbin operator
- Why is this image from pianochord.org for A11 labeled as an inversion, when its lowest pitch note is an A?
- Is it worth it to apply to jobs that have over 100 applicants or have been posted for few days?
- Selecting unsymbolised features in QGIS
- How well do universal rack rails work with vertical spacing?