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-1
votes
1answer
147 views

How can I automatically downsize images which have more pixels than needed for the actual resolution? [closed]

Many factors affect the true resolution of an image — the actual detail resolvable — including lens quality, sensor size and technology, noise and noise reduction, motion blur and camera technique, ...
-1
votes
2answers
522 views

What kind of mount does this breech-lock Tair-3 lens use?

I picked up a Soviet-made Tair-3 300mm lens at a flea market recently, and I'm at a loss to identify what kind of mount it uses. According to what I've read, most virtually all Tair-3s used M42 or T ...
-1
votes
1answer
593 views

How to use a square polarizing filter?

I have just been left some photography equipment. The item is made up of two parts: a flat square and a circular piece together with a holder and a number of adaptor rings. I am used to the circular ...
-1
votes
1answer
121 views

Photographers : One or Many Social Personalities [duplicate]

With photography covering such a wide range of topics, it's clear that a lot of photographers are likely to face an issue when it comes to being active in social circles - You don't want to expose ...
-1
votes
1answer
1k views

Is it possible to share only one album from Flickr?

A few days back I made an account on Flickr. However, when I send an album link to some of my clients they are able to see my "my collection" and from there they can see my all albums. Is there a way ...
-1
votes
3answers
512 views

How do different camera brands compare in build quality?

In the age of cheap plastics and planned obsolescence, I find it a bit scary to go out there and spend a few thousand bucks on a camera whilst not knowing how long it's gonna last me. I bet I'm the ...
-1
votes
2answers
274 views

What makes RF lenses better than Canon's EF lenses?

So Canon finally got into the mirrorless league — but they also made a new lens mount for their mirrorless cameras! Is there anything better in RF lens mount or lenses that makes them better than ...
-1
votes
1answer
35 views

Build real-time wireless camera trap [duplicate]

I am looking to build a camera trap for wildlife viewing, able to capture pictures (or even videos) in decent quality to be able to identify distinct features. I do however need to be able to see the ...
-1
votes
1answer
767 views

What settings should I use for photography on a ghost tour?

I am going on a ghost tour in a three weeks and would like some tips on which settings would give me the best results. It will be just on dusk and after dark. I have a Cannon EOS 550D.
-1
votes
3answers
428 views

Canon EF telephoto on a crop body [duplicate]

I know it has been asked before, but I'm still not sure if I understand the focal length issues of EF-lenses on APSC cameras in Canon system. I already have the EF-S 55-250 IS STM and I'd like to buy ...
-1
votes
1answer
2k views

Canon 5d Mark III: how to switch off the silent shooting mode in the Live View mode?

The problem appeared after the multi-exposure mode was used on the camera (Mark III). At this moment only the silent shooting modes are applied in the Live View mode (i.e. I don't get the "clack clack ...
-1
votes
2answers
13k views

What's the max size a photo can be enlarged while preserving the same image quality? [duplicate]

Possible Duplicate: Is it possible to increase the pixel density of an image? Is there a general formula for image size vs. print size? Can one of the many photo editors max a photo automatically ...
-1
votes
1answer
311 views

How to take quality photos of products?

I have a product I want to sell online but when I take a picture of it, it has some sort of a background so it never looks quite professional. What I want to be able to do is take pictures which look ...
-1
votes
1answer
3k views

Why is the autofocus not working on my Canon EF 70-200mm f/2.8 L IS II USM?

I bought the EF 70-200mm f/2.8 L IS II lens and the autofocus is not working. It's non-functional. I can use the lens in manual mode but not in autofocus. What could be the cause?
-1
votes
2answers
1k views

How to reduce the image resolution to increase ppi?

Having an photo of 4000x3000 resolution with 240ppi. Is it possible get a resolution of 400x300 resolution but with higher ppi?If possible how to do that?
-1
votes
3answers
530 views

What is the best way to reduce high ISO noise? [duplicate]

Even on a 5D ISO noise is a challenge. I use PS raw photoshop and Adobe Bridge. I want to minimise loss of image quality.
-1
votes
6answers
3k views

How to get a clear image of a distant subject?

i have to shoot a subject which is 300 meters far and i need the image as clear as a portrait i took by a 18-55mm lense. Which lense i can use?
-2
votes
3answers
807 views

What are all the types of lenses? [closed]

I see different types of lens in the market like prime, zoom, telephoto and macro. I'm not sure how many such types really exists and the functions/features of each. Can someone share an explanation ...
-2
votes
2answers
188 views

Mysterious signs or easily explainable artifacts?

These images were taken with an old cheap mobile phone. Could someone please explain what's happening?
-2
votes
2answers
898 views

I have a Canon 1000D — will a lens compatible with a list of other cameras including the 100D, 700D, 1100D and others fit my camera? [closed]

I need a telephoto lens compatible with my Canon EOS 1000D. Online shopping, I found an offer for a lens for "Canon Digital EOS Rebel SL1 (100D), T5i (700D), T4i (650D), T3 (1100D), T3i (600D), T1i (...
-2
votes
3answers
163 views

Why don't high end cameras have built in functions that much cheaper consumer cameras (and even my toaster) have?

The cheap 2000D has both wifi and gps in it, however a top of the line professional 1DX Mark II doesn't. In the age where even my toaster has wifi capability that communicates with my phone to make ...
-2
votes
2answers
312 views

What (presumably mid-range) phone cameras compete with $100 Point & Shoot cameras?

I heard on another board that the Lumia Pureview can easily compete with the most serious Point & Shoots in the $5-600 range. My interest is different. Let's take a decent recent Point & ...
-3
votes
4answers
2k views

24-200MM lens for Nikon D850?

I am looking for any one (single) lens that can cover the 24-200MM range for my Nikon D850. Constant aperture is not needed, however it would be nice to have. Vibration reduction would also be a nice-...
-3
votes
4answers
646 views

Why do cameras include very high ISO settings even though they are so noisy?

Why do they make DSLRs' ISO settings go so high? I own three different Nikon cameras and every one of them, once you pass a pathetic 320 ISO, the noise in my photos is lousy and — all 3 cameras cost ...
-3
votes
1answer
276 views

Why no raw channel histograms? [duplicate]

I understand the basic logic of providing histograms of JPEGs. The sensor pixel values get combined, processed, interpreted as a color, then broken out into new RGB values. So, if you were to give the ...
-3
votes
2answers
406 views

Why don't lens manufacters just label their lenses in 35mm equivalent terms? [duplicate]

I recently read a question asking if a 35mm DX lens on a APS-C body would produce a 35mm picture. There was a good bit of discussion / corrections regarding the crop factor vs field of view ...
-3
votes
3answers
2k views

What is difference between Street Photography and Travel Photography?

Can anyone explain what the difference is between Street Photography and Travel Photography?
-3
votes
3answers
4k views

Are Nikon lens double the cost of Canon auto-focus lens?

Are Nikon lenses double the cost of canon Camera? Point in case, below. I am an amateur photographer and my usual requirements are: Portraits with nice Bokeh Macro (flowers, insects etc.) Day outing ...
-3
votes
2answers
613 views

Were the snowflake photos said to be taken with a compact camera + reversed SLR lens really taken that way?

OK, so the question is rather broad but I'm talking specifically about an article I saw on my FB feed. I chased it down to the original article here about using a compact camera and a Helios macro ...
-4
votes
3answers
2k views

Cheap telephoto lens with zoom higher than AF-S DX VR Zoom-Nikkor 55-200mm

I currently own an AF-S DX VR Zoom-Nikkor 55-200mm f/4-5.6G IF-ED lens, but I feel that the 200mm maximum zoom is not enough always. I've found two cheap options: Sigma 70-300mm F4-5.6 DG Macro (...
-4
votes
2answers
140 views

Distinguishing Paintings from Photographs

Is there a simple, sure-fire, 100% accurate method one can use to distinguish paintings and other works of art from photographs? I am not asking: 'What is the difference between a painting and a photo?...
-4
votes
4answers
3k views

What is Adobe Camera Raw, and how do I start it after installing it?

What is Camera Raw? I installed it on my PC, but how to start using it? There is no app icon of Camera Raw I can find. How to open it?
-5
votes
2answers
456 views

Is there a way to get rid of a watermark on a photo?

I just got married in November and my photographer put a watermark on every photo even though it was agreed to ahead of time not to. How do I get rid of those water marks?

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