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by Bart Arondson

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0
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0answers
3 views

What is the difference between Harris Corner Detection and SUSAN Corner Detection?

What is the difference between Harris Corner Detection and SUSAN Corner Detection
2
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1answer
39 views

Why are gray cards, and not red or other colour, used for camera metering?

And how different is 18% gray from 18% red? I was thinking about the properties of light and spectrum to better understand the camera metering mode. 18% means approx 1 out of 5 photons will be ...
5
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0answers
53 views

How do you achieve this brownish skin color moody look on your photos?

I've noticed that there is quite popular style of moody photographs with rich shadows, muted colors and very specific brownish-like skin-tone. It does seem to come from some kind of post-processing ...
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0answers
24 views

Diagnose a damaged lens from focus test results

I have a lens that gives perfectly decent results at f/22 and f/32. Here's its capture of an ISO 12233 test chart: It's not the sharpest lens I own, but whaddaya want, it's a quarter century old ...
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1answer
23 views

Lens for Nikon D5100 for basketball [on hold]

I have a nikon lens AF-S Nikkor 55-200 f4-5.6 ED. I have no idea what settings to put my camera on to take good pics on the basketball court. I have been playing with the settings a bit and I was able ...
4
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1answer
532 views

Is saving money buying a tripod with only 1.5kg payload false economy?

I've been looking at buying my first tripod and my critera has been compact, lightweight and not shockingly expensive - especially as I'll have to lug it around. To that end I managed to narrow it ...
3
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2answers
544 views

Are there any downsides to scaling down unsharp images?

To keep my personal image catalog compact, I am considering scaling down all images that are unsharp for one reason or another, but are interesting or valuable enough not to delete them altogether. I ...
0
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0answers
18 views

Why my Uniross Ni-Cd batteries are not getting charged?

I tried charging my Uniross 1000mAh NI-Cd batteries on my Energizer Battery Charger for 5 hours (as mentioned on the charger) but it is not getting charged. I also tried charging for various other ...
0
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0answers
29 views

Shooting video frame by frame / electronic vs mechanical

I'm going to be purchasing a DSLR soon for doing frame-by-frame paper, stop-motion animation video work. I do not want to have to keep fixing a mechanical shutter for my DSLR, which I hear is a ...
0
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1answer
53 views

How would I blur something out of a photo? [on hold]

If you take a picture of - for example - a car and you get the license plate number in it; how do you blur out the numbers? (I would also like to know how to do this with a video if possible).
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0answers
36 views

Where would I buy inert (not usable) ammunition for a photography shot - UK

I'm doing some product photography of some very nice knifes, some of the knifes are tactile and i was thinking of doing a gun//ammo/knife kind of image. I have the gun (a broken BB hand gun) painted ...
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0answers
48 views

Recommendation for a walkaround lens for an FX camera [on hold]

For a full frame Nikon camera - D610 - What general purpose FX lens do you recommend to start with? I am not much interested in shooting macros, my use cases are landscapes, architectures, ...
2
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3answers
39 views

Is it possible to trigger a Canon 600 EX-RT with a Fuji's on-camera flash?

I was playing yesterday with my Fuji X100T and got curious if I can use my Canon 600 EX-RT Speedlite as an optical slave to the built-in flash on my Fuji X100T. Is this possible?
0
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1answer
45 views

Astro-photography - 8 inch Schmidt-Cassegrain vs 10 inch Newtonian

I'm tring to get into astro-photography and I have a usual dilemma, which one would be the best for the job. I'm more interested into shooting deep sky objects. I've been looking for "nice" telescope ...
6
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2answers
343 views

How does autofocus confirm work with manual lenses?

When I was a kid my dad had an Olympus OM10, he had a bunch of lenses for it and I remember focusing was done with a special circle in the middle of the viewfinder, where you pointed it at the thing ...
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3answers
77 views

Achieving dark matte background in studio

I've been trying to achieve a dark matte background (maybe with some texture on it) in a studio, but i have a limited experience with backdrops and so far i haven't been able to produce satisfying ...
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4answers
67 views

How can I keep my camera warm while photographing time lapses over a few hours of 25F / - 4C temperatures?

I may have an oppty to photograph some time lapses over the next few days. However, the location's temperature will be about 25F / -4C. I'm looking for clever/creative ways to warm my gear while it ...
1
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1answer
38 views

Camera rec: 4:3 | DSLR Light-weight, fast focus, image quality [on hold]

I am an enthusiast and I been clicking with Lumix FZ47 since three years now. Other than the not very great quality image detail at 100%, the camera is fast, responsive, 24x zoom which sort of ...
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0answers
46 views

History or Name of style where model has black writing on their chest?

Going back a few months up to a year or so ago I noticed a lot of images showing up on Instagram and Tumblr depicting images of shirtless male models with writing on their chest in either black paint ...
0
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1answer
20 views

How to get best photos with SB 28 external flash?

I am trying to figure out how to use my sb 28 nikon external flash with my tamron 200-500 mm lense. What is the best setting... i cant adjust the shutter speed on the camera or change anything when i ...
2
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3answers
169 views

Will a 18-140 lens be good for basketball stadium photographs? [on hold]

I am absolutely new to photography and have just started learning the basics. I have got a Nikon D-610 with a 18-140 lens for now. I just want to know if I can take this to a basketball game and get ...
0
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1answer
54 views

blur background

In Capture One Pro 8.x Is there a way to strongly blur the background of an image? I tried using an adjustment layer and the negative slider values for "clarity", "structure" and "sharpness" but that ...
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1answer
73 views

How can I tell which Instagram filter was used?

I want to know the name of this filter. I think it looks cool. http://instagram.com/p/vpYlx1q89e/?modal=true It would be very nice if Instagram said what filters are used in each photo... I like to ...
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0answers
82 views

What is the impact of changes between the old and new Nikon 18-300mm lens?

They are: Nikon AF-S DX NIKKOR 18-300mm f/3.5-6.3G ED VR Lens (new) Nikon AF-S DX NIKKOR 18-300mm f/3.5-5.6G ED VR Lens (old) As far as I can tell the only differences are: The old one has an ...
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2answers
592 views

Working on JPEG saved from RAW is this the same as working on RAW ?

I have a few questions about the RAW format. It may be silly but I love that some explanations on the subject. First of all, I know that RAW has many advantages over JPEG for post-production (in my ...
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0answers
26 views

Over exposed Video on Canon 700D [on hold]

I use a Canon 700 D for my photo booth, the pictures are fine, but when I use the Video message option, the Video is over exposed.... any ideas how I can fix the over exposure in the video recordings ...
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0answers
51 views

Difference between the Nikon D7100 and Canon 70D [on hold]

What is the Differences between the Nikon D7100 and the Canon 70D? Looking for a New Camera that I can understand how to use now and also Grow into with Time.
11
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6answers
3k views

Why use JPEG instead of RAW?

Why would a photographer want to capture images using the JPEG format over an available RAW format? The obvious argument is memory card storage, but assume that my available memory card storage is ...
2
votes
1answer
48 views

How to measure angle of tilt of a camera on a tripod?

I am dabbling with some product photography and since camera angles are so important the natural question I've is how does one precisely measure the angle of tilt of the camera on a tripod. Right now ...
0
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0answers
20 views

Apply adjustment brush area to video in Lightroom 5.3

I have a video of a person talking looking straight to the camera, on a grey-ish background (he is standing still in the same position across the whole video, just moves his head a tiny bit), goal is ...
7
votes
1answer
630 views

Stack of 4 seconds exposure photos of Milky Way, how is it done?

I'm looking at this photo in http://www.astrobin.com/17455/ In the description the author specifies: 100 x 4 second exposures at f5 and ISO12800, Canon 5DmkIII + 24-105f4L@105mm No tracking, just ...
0
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1answer
61 views

astrophotography with Nikon D3300 is possible? [duplicate]

i have Nikon D3300 DSLR with Nikon 18-55mm (VR2) lens and i want to shoot astrophotos. i wanna know if this possible with my camera or lens and if not , what should i upgrade ? and what to ? ...
0
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1answer
83 views

How to set correct exposure in low light condition

Does anyone know how to set correct exposure in low light? I saw lot of recommendations in internet (open aperture,...), but i still can't get the correct exposure for some specific situations. For ...
0
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3answers
87 views

What is 5-axis optical stabilisation? How does it work?

Some cameras like the Olympus E-M1 have what's called 5-axis optical stabilisation, which produces reasonably sharp handheld photos even at 1.6 seconds: Source (search for "HANDHELD AT 1.6 SECONDS ...
2
votes
1answer
79 views

Nikon D3200 lens flange has undocumented Button or lever

There is a button or lever located on the outside of the mounting ring, on the shutter release button side, lower quadrant of the ring. Mounted lenses, AF or AI do not make contact with this lever or ...
1
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1answer
24 views

Camera Insurance for a 3 Month Winter Expedition?

So, in February, 2015, we [28M/25M] are planning a 2,000km trek through Northern Canada in winter (down to -40C~) for 3 months. The primary purpose of a camera for us is to film a documentary about ...
0
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2answers
114 views

Why are lens apertures usually 1.4, 1.8, 2.8, 4…? [duplicate]

Why are lens apertures usually of only certain sizes? 1.4, 1.8, 2.8 and so on. Why not 1.6, 2.5 or any other sizes?
0
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1answer
344 views

Do different lenses affect noise level?

I unfortunately got a very poor and cheap 18-55mm lens on my Canon 60D. In addition to poor quality of my photos (poor in comparison with my 50mm f/1.8 Lens which makes great pictures) the noise level ...
0
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0answers
77 views

What would be the optimal settings for shooting Jupiter from non DSLR? [duplicate]

I have a Nikon coolpix L120 camera. I need to capture the details of the bands on the jupiter. I tried many times with exposure of 1/20th second with different ISO's, and got picture of jupiter ...
0
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2answers
54 views

Nikon d7000 change aperture while shooting video [on hold]

I have nikon d7000 and I thought until today that I can't change aperture on the fly. Here is what I found . Go to shooting menu -> movie settings -> and set manual movie settings to OFF This allows ...
-1
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0answers
33 views

how you determine subject distance with focus value(in millimeters) on the lens? [on hold]

I would like to know how follow focus works in terms of distance verses focus ring value. eg 100mm lens, f4 stop, 10 meters away, what value of focus ring....... mm in a 5.2ft dof kindly?
1
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1answer
25 views

Will a Soligor 35-70mm C/FD fit on my Canon AT-1? Or do I need a specific lens mount?

I tried to click it on the usual way but it didn't work. Do I need to buy a specific lens mount? The person who sold me the lens said it worked with his Canon A-1 but perhaps he had a lens mount with ...
0
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1answer
71 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 ...
1
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0answers
15 views

How long can Contax T2 work with a brand new CR123 battery?

New to Contax T2, I'm going to Europe for about 20 days and I'm wondering if I should bring extra batteries (CR123) with me. Any suggestions?
4
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2answers
98 views

Is it okay to store a battery in its (unplugged) charger?

Following the unhappy end of my Nikon D3100, I have upgraded to a new D5200, as a result of which I now have an extra EN-EL14 Li-ion battery and MH-24 battery charger. It would be nice if I could save ...
1
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2answers
27 views

Suggestions for Desktop Archiving Software using Blu-Ray disc

I want to use my blu-ray drive to store my photos offline. Is there a windows desktop application that anyone is using to group/organize and write the photos to disk? It should be able to take ...
0
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1answer
91 views

How is this effect created in Photoshop? [on hold]

I'm new to Photoshop and I am looking for hints or a tutorial to create images with a style like in this magazine: http://www.curves-magazin.com/de/Blog/Col-de-la-Musique I especially like color and ...
-2
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1answer
26 views

Issue with Object focus using canon 1100d [on hold]

I am newbie in photography.Recently i bought a canon 1100 D . When i am taking photo , for example taking photos of bird, not getting clear photo of bird.Mode is manual and ISO is 400..Please help me ...
0
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2answers
62 views

Films and x-ray scanning in airports [duplicate]

What can I possible do, when travelling using airports and carrying films in my hand baggage. I am going to Berlin and I want to carry 2 films one Portra 160ASA and one Kodak TMAX 400ASA. What could I ...
1
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2answers
60 views

What are the differences in cost per picture for home photo printers?

I want to buy a home printer so that when I get home, I can plug my phone and print a few pictures to share with my friends. Are there big differences in the cost-per-picture between printers?

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