Spring 2012

Spring 2012
by ani

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0
votes
1answer
18 views

Canon D5 Mark III - Weird motion blur

I'm experiencing a weird motion blue with the LEDs in this picture. http://i.imgur.com/Vtm2Do2.jpg It's a long exposure shot (30 seconds) in a dark room with an initial flash. The camera is on a ...
0
votes
0answers
17 views

How would I calculate the FOV needed in this scenerio

I'm creating an installation involving an LCD Screen and camera, basically I want the LCD screen to display a view of what the person would see if looking through the LCD screen. Please see the ...
0
votes
0answers
11 views

Are there any 360/Sphere open source photo resources?

I'm working on a Sphere Image/Video Project, the problem is I do not have the money to pay for a 360° Camera and the Spheres generated on my phone with Google Street App usually have considerable ...
-1
votes
0answers
63 views

10-24mm zoom or 24mm prime for landscape?

I want to buy a lens for landscape images but I don't know which one: the Nikon AF-S DX 10-24mm f/3.5-4.5G ED or the Nikon AF-S 24mm f/1.8G ED. Does anyone already have experience with that kind of ...
-1
votes
0answers
34 views

Glitch PNG on External Hard Drive

Basically, i'm taking photos, and edit them using photoshop. Then, I save them as .png on my macbook. After that, I copied them to my external hard drive. Few days later, when i check those fie, they ...
4
votes
7answers
1k views

How to take a tunnel photo with a model inside the tunnel?

I recently bought Nikon D7200. A good camera. But I feel a great challenge while taking a photo of a model standing in the middle of the tunnel. The tunnel is short and outside the tunnel is a ...
-1
votes
3answers
61 views

Deciding between 16-35mm and 20mm for landscapes [on hold]

I recently purchased a Nikon D750 with the 24-120mm and mostly shoot landscapes. I'm looking for another lens, but I am unsure if I should go with the 16-35mm or 20mm. I'm worried that the 16-35mm ...
0
votes
2answers
52 views

How much of digital sensor noise is thermal?

Is all digital sensor noise thermal? And what is the relationship between temperature and noise? For example, as we cooled a CMOS towards absolute zero, would we discover that high-ISO images would ...
1
vote
4answers
179 views

What makes RAW formats better for manipulation than JPEGs or PNGs [duplicate]

So I've seen everyone saying that RAW format is much better for manipulation in photo editing applications like Lightroom than JPEGs or PNGs. While I read some posts here like this and this, I'm ...
2
votes
4answers
393 views

Does being a Macro lens but on a shorter focal length affect taking a tight portrait photo?

I want to do some beauty portraits. Some of my shots will be from waist up, some of them will be tighter. For example just the face and nothing else in the frame OR a little going back to get the ...
0
votes
3answers
77 views

Tripods for bird photography

I've recently got my 7D II and Tamron 150-600 and now I'm looking for a tripod. The type of photography I want to work on is birds in flight photography. What tripod specs should I be looking at, and ...
6
votes
2answers
400 views

How long should I charge a DSLR battery for the first time for best results?

I have purchased a Canon 1200D and am wondering how long I should charge the battery when it arrives. I've heard people say that we need to charge a battery for one day to prevent battery "memory". ...
-1
votes
1answer
45 views

How can I create a double exposure image in Photoshop?

I have two photos I want to use to create a double exposure image. How can I do this with Photoshop CS5?
0
votes
1answer
57 views

Does focal length affect coordinate estimation?

I am using a webcam mounted on the ceiling to track some markers. I measured the area on the ground that the webcam is able to see, it is roughly 2.61m x 1.46m. The output of the coordinates right in ...
2
votes
1answer
98 views

Adjusting eyebrows elegantly

I'm seeking suggestions for ways of correcting problems with the appearance of "eyebrows" in images taken at a 21st birthday celebration. I discovered retrospectively that the 'birthday girl' (Rachel) ...
4
votes
3answers
119 views

What should I consider when getting a camera for product photography?

I am planning to get a camera for some product photography. I have a tripod and white cardboard area. I think I will not require a high-end camera for this. I am simply planning to get photos of gift ...
0
votes
0answers
37 views

Camera case turned white after cleaning

About 4 days ago I tried to clean the top black part of the GoPro camera case. I don't remember exactly what the cleaning solution was. When I checked it today the top had white blotches that seemed ...
2
votes
1answer
67 views

Charging a Canon G7X Mark II with USB, special cable really needed?

The Canon G7X Mark II manual and website mentions that one can charge the camera through USB by using a special interface cable, Canon IFC-600PCU. The cable is even listed under Supplies and ...
2
votes
1answer
92 views

Why do zooms have small apertures even around 50mm?

A 50mm f/1.8 prime from one of the major manufacturers can easily be found for $200 or less, but zooms that include 50mm in their range always seem to have much smaller apertures even at 50mm until ...
0
votes
0answers
20 views

Canon Rebel EOS SL1 auto mode is not working.

My camera was working fine the other day and now it won't take a picture in auto mode. It will work in Manual Focus and Portrait mode but says "busy" and won't focus in Auto. Please help!!
14
votes
6answers
1k views

Is it worth using a hotshoe cover?

I notice some models of cameras include a hotshoe cover as standard. But many other brands don't. And they are available to buy as accessories, from about $1 on Ebay for a basic plastic cover. Or ...
1
vote
1answer
57 views

Milky Way Photography

Images of stars are not very good with a full moon. But what if the moon has not risen? A 3/4 moon rises at 11:00pm tonight. If I travel to a dark spot and take images before 11:00pm will the star'...
1
vote
2answers
31 views

How do I install raw drivers for my Panasonic LX100 on Windows 10?

I can't seem to find RW2 codec support for my Panasonic LX100 for Windows 10 anywhere. Or, rather, everywhere I can find drivers that might work don't seem to support Windows 10. Has anyone found a ...
0
votes
2answers
83 views

How do I correctly convert from aperture diameter into f-stops?

I'd like to know whether it's possible to convert the radius of the focal point into f-stops properly. The following equation illustrates that the diameter is dependent on the f-stop: aperture ...
6
votes
1answer
89 views

Correcting severe cyan colour cast

I am attempting to retrieve extremely strangely colour cast photos for some friends. These are from an overseas trip and they would value their availability in something like correct colours. The ...
-2
votes
2answers
70 views

Canon t3i night photos [on hold]

I'll be shooting photos for an event tomorrow (www.eclecticeats.com) you can see photos of the venue there. It's going to be from 7:30 to 10:30. In daylight I have little trouble adjusting but once ...
7
votes
6answers
663 views

How can I make a reflector at home?

How to make light reflector easily at home? Please tell me the easiest way to make light reflector at home without spending much on that.
2
votes
2answers
49 views

Is it safe to use rodinal or some other developer in the bath tub?

I am thinking of developing film and prints en-masse in a modern ceramic bath tub. Is it safe to use developers like Rodinal assuming the bath tub is going to be used for baths later? Rodinal is ...
0
votes
0answers
24 views

Contrast on Canon Rebel

When purchased in 2008, all pictures were beautiful. Now it seems the meter is not reading the light properly. Many pictures are over exposed and most have too high contrast. It's mostly the contrast ...
2
votes
2answers
29 views

Batch process for displaying date & name stamp on photos [duplicate]

I could not find a dedicated photo-editing section, hence posting here. Apologies if wrong place. Query: I have thousands of photos, which I need to show time/date/custom-text on all photos. ...
0
votes
0answers
20 views

How do I recreate a keyboard shortcut for stacking two images in photoshop with a layer mask?

I just trashed an action I used a lot. With two images open, I would select one, then hit F5 key and the selected image would disappear and the non-selected image would open. I then painted with a ...
-1
votes
0answers
17 views

Books on Photography [duplicate]

What books are recommended for fundamentals on photography? I am starting out and have played wit the camera for over a year and i want to greatly improve and want to start correctly.
2
votes
3answers
75 views

How can I set three flashes at different output levels with a camera with only two flash groups?

I would like to fire three off-camera flashes (SB-800, SB-600, SB-600) in manual mode with the on-camera flash in commander mode (--) on a Nikon D600. It's a portrait with two lights in front at ...
0
votes
2answers
54 views

How much does the spectral response curve vary from model to model for modern day compact digital cameras?

I need to know the spectral response curve of a compact digital camera which has a CCD image sensor. However, I don't have the facilities for the same at the moment and I need to address this issue ...
3
votes
1answer
123 views

Hacking a DSLR shutter (Nikon D800)

I work in an optics lab, where we need to block and unblock lasers rapidly. For this we currently use custom built shutters with razor blades that move ~1mm. These are annoying to build and tricky to ...
0
votes
1answer
26 views

My canon eos rebel xt will not recognize the cf card. I've bought new ones. Nothing works.

My camera shows error cf. I've tried all suggestions in the manual to fix the problem. I've bought new cf. nothing makes a difference. Any help would be appreciated. Thank you, Helen T.
2
votes
3answers
101 views

Does using flash makes a person's face look darker against a white background?

A CVS staff member took several passport photos of me against a white background. In some photos my face looked very dark, while in other photos my face doesn't look dark at all and it actually is not....
0
votes
0answers
34 views

Nikon d3100 firmware update

I have a Nikon D3100 camera. Recently it refuses to acknowledge any battery I use, even Nikon batteries. I tried to update firmware, but it refuses to update. It says no update available. I did step ...
0
votes
1answer
26 views

How do I get rear-curtain sync on a Canon 5D classic with a Yongnuo YN-500EX?

I have a Canon 5D classic and a Yongnuo YN-500EX and I'd like to take rear curtain sync photos with it but I can't seem to make it work. The flash has this function, I can turn it on and see it being ...
1
vote
4answers
71 views

Are there any downsides to automatically writing changes to XMP files in Lightroom?

In Lightroom CC, there is an option to automatically save all changes not only to the database, but also to a sidecar .XMP file. This can be useful if one wants to use the RAW files in other programs ...
0
votes
0answers
55 views

Help! Can I save this film strip?

I'm someone who knows nothing about photography at all, that said, I was wondering if it'd be possible to save this image. You know those boxes you can go in at fairs or whatever and it'll take your ...
3
votes
2answers
139 views

How can I remove white stripes from an old photo without losing detail?

I have this old photo: I want to remove these vertical white stripes from it. I have managed to remove it by using the darken blend mode with motion blur, but as you can see down below, I have ...
0
votes
2answers
69 views

Is there a way to change camera settings (Nikon D40x) to a higher dpi? [duplicate]

I know increasing the size of the photo (S,M,L) does not affect the dpi, but refers only to the pixels. My camera shoots at 300 by default, but sometimes I want a crisper look when I get larger ...
-4
votes
0answers
29 views

Can I use dc/marvel comics characters images in my mobile game? [closed]

I have a mobile game with DC characters' images for players to guess their names. I’ve checked some similar mobile commercial games who used images of famous characters just by writing in their game ...
5
votes
3answers
49 views

Should I let the lab pull overexposed color negative or leave it overexposed

I shot a roll of expired Fuji Superia 200 at 100 ISO. Effectively overexposing it by one stop. Should I ask the lab to pull it or just leave it overexposed? Why I'm asking, is because I understand ...
0
votes
2answers
81 views

What are the peak wavelengths passing through a bayer filter?

The bayer filter allows for the passage of RGB light which is then recorded via photodiodes. However, since a bayer filter is more or less a juxtaposition(cetainly not literally a juxtaposition) of ...
19
votes
7answers
3k views

Why are these film photos brighter than digital photos taken at the same time with the same settings?

I took two photos - first one with Canon 5D Mark III and the second one with analog Canon EOS 500N. I used the same lens and settings (ISO/shutter/aperture) for both of them. The company that ...
0
votes
1answer
48 views

Printing photo on large truck wrap

If i have a photo that's 18" x 12", and 300dpi, will it come out clear if i print it on a 16' truck? I am planning on using a stock photo and then blowing it up, but i am worried that it won't come ...
5
votes
2answers
160 views

How does this photographer achieve such RICH detail and contrast

These are pictures of a photographer that works for a popular breeder of poison dart frogs. In the 3 examples attached I will describe what, to me is remarkable about that. I would be elated to hear ...
2
votes
1answer
32 views

Why do I get a light halo only on sunny exposures using my FED 2?

I recently bought a FED 2 and I got some weird results from my test roll. I've been taking pics in various conditions (inside and outside) and I do get a light halo on sunny outside pics (see below on ...

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