Sunset in Kruger

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3
votes
5answers
126 views

Can you estimate whether or not the sky is clear from a photographs metadata?

I am using remote sensing (satellite) images and am trying and differentiate (automatically i.e. using a computer and without viewing the image myself) between areas that fall under cloud cover (with ...
1
vote
1answer
74 views

Fun experiments I can do with my bridge camera? [closed]

This is a bit of a vague question so I'm not looking for a specific answer, just some ideas really. I have a Canon sx510 and was wondering if there are any fun photography methods I could play with? ...
-1
votes
1answer
41 views

Need Code V tutorial (optical design software) [on hold]

I'm working on Code V the optical software designer which is used to model, analyze, optimize, and provide fabrication support for the development of optical systems (lenses, cameras, telescopes..) ...
3
votes
2answers
77 views

How do I prepare frozen/refrigerated film for use?

Similar to my other storage question, what needs to be done for the long term storage of undeveloped film? I know that heat is very bad for film (especially color) and that I should store it in a ...
-4
votes
1answer
33 views

UV Filter that best suits Nikon 18-140 mm lens [duplicate]

Please let me know the size of UV filter that best suits Nikon 18-140 mm lens.
0
votes
1answer
62 views

In video mode, why does adjusting the aperture change the brightness instead of the DoF? [closed]

Currently I'm playing with the LiveView and movie making mode of my D3200 and I'm stuck with a few technical issues. I can change the shutter speed and the aperture during filming and it has an ...
37
votes
9answers
11k views

Do professionals really never use a 24-70 lens?

I was reading lens reviews on the Rockwell site — mostly because it came up as first result in Google search — and he was saying professionals don't need and don't use mid-range zoom lenses like 24-70 ...
2
votes
1answer
78 views

Can I trigger a EOS 70D remotely using a 600EX-RT speedlite?

Hi is it possible to remotely trigger an EOS 70D using a 600EX-RT? For example, I'd like the EOS onboard flash to be the slave and the 600EX-RT to be the master.
2
votes
1answer
79 views

Can I import photos into Lightroom from Microsoft OneDrive without downloading them directly to my HDD?

I have all my images in OneDrive. I want to import them into Lightroom 5 and create smart previews. How do I do this without downloading all the images directly to my HDD? Can Lightroom reference ...
0
votes
1answer
103 views

What does “MECHA DEVICE SERVICE” mean in a Sony repair listing?

My Sony A7 just came back from the repair with a listing that this part was changed out: A1976128A — described as "MECHA DEVICE SERVICE". Any idea what it is? I'm guessing it's the sensor, but it's ...
13
votes
8answers
30k views

What lens focal length most closely resembles the human eye perspective?

For example, if I have a lens that is 16mm-50mm, which focal length would be the closest to the human eye view? (I don't have a camera yet, so I'm just curious). Would 50mm be more zoomed in than ...
6
votes
2answers
2k views

Are there any radio flash triggers capable of P-TTL?

All the popular radio TTL flash triggers, like PocketWizard or RadioPopper, seem to be only available in Nikon and Canon flavors. Are there any models capable of transmitting Pentax P-TTL data?
5
votes
3answers
177 views

How many stops are there between middle gray and white point?

I’m trying to wrap my head around the relation between exposure, dynamic range, stops of light, and middle gray. I’m going to ask several questions on that topic. Some of them can be stupid or ...
4
votes
1answer
14k views

Which Nikon DSLRs have an autofocus motor in camera body?

I have a Nikon D3000 and a lens which has no autofocus motor. But under the lens, I have found a screw which rotates with the focusing control. My D3000 does not have any autofocus motor inside the ...
4
votes
2answers
734 views

Why are images shot in monochrome mode in color when I download them?

I shot some picture using monochrome mode on my Nikon D3200. When I transferred them to my computer, they appear in color - I cannot see the monochrome effect. What can I do?
0
votes
2answers
2k views

How is the quality of the Sigma 18-300 DC Macro lens?

I'm considering the less expensive Sigma 18-300 DC Macro lens vs. the (way) more expensive Nikkor 18-300. Would I be losing the gains by buying a 24 MP Nikon 3200 if I went with the Sigma?
0
votes
0answers
21 views

Printing with Printhug? [closed]

I'd like to print my photos that are stored on Dropbox and found Printhug.com. Does anyone have experience with Printhug and their quality?
0
votes
1answer
30 views

Photos Imported into Aperture Aren't Showing Up

I imported about 500 images into Aperture (mostly CR2, but some jpg), and for some reason they're not showing up in my library. If I right click on my library and select "Show Package Contents" and ...
0
votes
0answers
44 views

Canon Rebel XS to Canon T6i, a Full Frame, or Nikon? [closed]

I have a Canon Rebel XS with the 18-55mm kit lens and I recently purchased a 50mm f/1.8 prime that I'm pretty happy with... now, here's a long story cut short. I was volunteered to photograph a ...
0
votes
1answer
41 views

Popup Flash stopped working. How do I fix it? [closed]

My popup flash suddenly stopped working. I have no idea what is wrong with it. I know that I didn't hit it on anything. Is there a way to tell if this is a mechanical problem or just a setting ...
1
vote
0answers
39 views

What effect does Gary Fong's collapsible LightSphere have on color temperature?

I intend to use a Gary Fong collapsible LightSphere, the one with white-transparent body and the warmer yellow semi-sphere for shooting portraits on locations and studio. How can I know the real ...
1
vote
1answer
146 views

How do I calculate the maximum aperture at each focal length on a 35-200mm lens

I am looking for the linear maximum aperture of a 35-200mm 3.5/4.5 Nikon manual focus lens. I already know the max & min of the 35 & 200mm it's the 50, 70,105, & 135 that I am interested ...
1
vote
2answers
212 views

Nikon D60: Autofocus of two AF-S lenses not working anymore after using another lens

I have used my Nikon D60 for about 6 years now, with AF-S DX NIKKOR 18-55mm f/3.5-5.6G, and AF-S 55-200mm Nikkor f/4-5.6G lens, and the autofocus has been working fine this entire time. However, I ...
0
votes
0answers
15 views
1
vote
0answers
20 views

Is there modded firmware available for Fujifilm Finepix S1?

Fujifilm Finepix S1 makes really fine pix indeed, and the videos are also quite nice. One fly in the ointment, however, is that when filming HD video, one shot is limited to 24 or 15 minutes (720p60 ...
0
votes
1answer
58 views

What order to use range extending tubes in and the effect on aperture

I have a 500mm mirror lens, at f/8. I have 2 hollow tubes (their order wont matter) and 1 tube which is a "Vario converter" and can be rotated from 2x to 3x (this moves a lens about 1cm along) I ...
3
votes
2answers
1k views

Will a 600rt Flash work with a 70d using radio control?

I have a 580exII and sometimes feel limited by the line of sight required to use it is a slave with the on-camera flash. Will a 600ex-rt's radio control feature work with my 70D, or will I need to ...
0
votes
2answers
63 views

Plate Screw with load-bearing eye

I love the idea of BlackRapid's replacement screw for the Manfrotto QR plate. I tried to use the same screw to attach a Arca-Swiss plate, and it didn't work as the head is too wide to turn inside the ...
1
vote
1answer
55 views

How to add lensfun 0.3.0 db to darktable on ubuntu?

I tried the approach suggested by Torsten Bronger in How do I add lens correction for my model+lens to Lensfun in Darktable? (extracting the xml files from 0.3.0 tar and overwriting in ...
1
vote
1answer
72 views

Camera won't shoot in Program mode?

We just got a new Nikon D7100 at work and are having an odd problem. Occasionally the shutter will not release when we try to take a picture. It appears to do this when there's not enough contrastn ...
2
votes
6answers
489 views

High Chromatic Abberation with Pentax f/1.8 50mm lens

I recently bought a Pentax K-50 in a set with two lenses (18-55 & 50-200) as well as a 50mm fixed focal length lens. The camera is great but I am extremly disappointed in the lenses. Two out of ...
0
votes
0answers
32 views

Does anyone have any information on Canon's VL mount regardng pinout and protocol?

I currently have a canon cl 8-120mm f/1.4-2.1 lens which uses the VL mount. Canon's goal appeared to have been to make this a standard system similar to the Micro Four Thirds system. See ...
0
votes
1answer
36 views

Can the Sony A7 II custom user modes be configured to not display on the EVF when selected?

When I switch the mode dial to a custom user mode (1 or 2), the whole user mode parameters will show up on the monitor/EVF, can I opt not to see that? It's kinda annoying when you want to switch & ...
2
votes
2answers
86 views

How do I correctly enlarge thermographic images for web use?

I'm helping a friend of mine who owns a company that does infrared analysis of structures. He wants to put a gallery of thermal images on his website, but his extremely expensive camera only takes ...
1
vote
1answer
563 views

Time lapse of solar eclipse?

I was thinking of taking a time lapse of the eclipse with my nikon d3300 but not of just the sun but of the sun and the landscape. Unfortunately, I have to work during the eclipse and I was thinking ...
1
vote
1answer
47 views

Lightroom on external HHD and used on two computers with Mobile

I have my lightroom on an external hdd connected via USB 3, and I switch between my desktop and laptop with some regularity. My question though is regarding LR Mobile. Will it sync normally from both ...
5
votes
3answers
6k views

Why isn't it safe to use EF-S lenses on fullframe?

I've heard that EF-S lenses are not compatible with full frame bodies and that using such lenses could damage the mirror. Are the EF-S lenses not compatible with full frame bodies in terms of "not ...
2
votes
4answers
2k views

Is there a digital body which will let me use lenses from my Yashica Fx 2?

I have a Yashika FX-2 that I bought back in the 70's. I would like to upgrade the body to a digital form and I'm not sure which ones I can buy. I have several different lenses and I really don't want ...
2
votes
1answer
47 views

Will Sekonic's C-700 Spectromaster help me accurately capture light and color?

Sekonic announced the C-700 spectrometer for photography, video and cinema. I am a visual artist and I am creating a new project with photos of body art. I am very interested in accurate light and ...
3
votes
2answers
3k views

NEF File Error: Could not complete your request because it is not the right kind of document

I took a bunch of photos earlier today on my Nikon D7000 camera in RAW format, as recommended to me by members of this forum. I loaded all the pictures up onto my computer, but when I try to drag ...
0
votes
1answer
21 views

Templates no longer showing in Lightroom

I'm using Lightroom 5.7.1 and have begun to experiment with print layouts. This was working well, however now when I select a predefined layout it does not appear on my page. I thought this was ...
8
votes
3answers
633 views

Is it possible for a phone manufacturer to enable camera raw through a software upgrade?

So, I'm considering getting a new phone - the Galaxy S6 - but, even though Android Lollipop supports it, this phone does not have the ability to shoot in camera RAW. My question boils down to this: ...
5
votes
3answers
4k views

What are the pros and cons of Canon 5D III / 6D HDR Mode Vs HDR using a computer + HDR software?

How well does the Canon 5D III / 6D HDR mode rate against other HDR modes? i.e. using a computer + HDR software?
1
vote
3answers
1k views

How can I take long exposures on Nikon D7000 with a wireless remote? [duplicate]

How can I take long exposures on a Nikon D7000 with a wireless remote? I've read the existing question on this, but the answers there are not working for me. "Bulb" shows up when the shutter control ...
-1
votes
0answers
58 views

What are some other terms for a 3/4 shot?

I know it as the American shot or American wide, but what are some other names?
0
votes
1answer
60 views

How can I make a zoomed in copy of a photo and save it on my Nikon SLR?

Nikon d3200 - i am a beginner using this. I took a picture and then when reviewing the playback I hit the zoom in button. I would like to save a copy of this zoomed in photo on my camera. How do I ...
0
votes
2answers
41 views

How do I use a Nikon D3100 and sync cord with Novatron lights?

Just bought the Novatron V400D light set and I can't seem to connect the sync cord to my Nikon D3100. Is there a sync cord connection on the camera? What are my next best options please??
1
vote
2answers
40 views

Batch change CMYK JPG into YCbCr JPG?

I recently got a bunch of JPG photos but all are looking very strange colour wise – almost like colour negatives! My photo viewing program is saying they are all CMYK format but other ones ...
2
votes
1answer
38 views

What is the proper procedure for stitching photographs using Nodal Ninja and Hugin?

I have been using the Nodal Ninja pano head together with Hugin for quite a while now, but I found that I get really bogged down when I make panoramas on the larger side.. let's say the sizes I am ...
3
votes
5answers
835 views

Sharing Lightroom Catalog

My setup is this: I have an iMac that is my main computer, running Lightroom 5. I have subscribed to Adobe Creative Cloud so that allows me to install Lightroom on another computer. I would like to ...

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