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by peter_budo

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43 views

will a Canon GP-E2 show up as a usb drive on a chromebook so I can back up the log files?

I am looking to buy a GP-E2 for a trip in a couple of months (and other future trips) to log to the images, however I would also like to be able to get a backup of the log files off of it. I will only ...
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16 views

Pro9000 Mark II desaturation problems

My prints on the Pro9000 Mark II are desaturated, and a little on the dark side. My reds are not displaying properly either. It just started happening and I don't know how to fix. Driving me crazy.
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34 views

Apertures required to enable autofocus on Rebel T6s/T6i in Live View?

Your article "What apertures are required to enable autofocus, including cross-type or high-precision focusing, on Canon DSLR cameras?" is most useful. Would the new Canon autofocus technology, in the ...
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64 views

Nikon 50mm f1.8D will autofocus, but not take photo with Nikon Df body

Recently switched from a D3s body to a Df body. My 50mm f1.8D worked perfectly with the D3s, now doesn't seem to be working on the Df. (I'd rather get rid of the bulkier special edition 50mm f1.8G ...
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25 views

Mamiya M645 Super not focusing right

A friend of mine gave me her M645 Super with the note that something's not right about it. Quickly realized that it doesn't focus right with it's 80mm lens. Basically you can't close focus within 5 ...
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31 views

How do I make the Fuji X-T1 not take a picture when I connect an external audio source?

I have a black Fuji X-T1 at firmware version 3.0. I want to record a video using an external audio source, fed from an audio interface through a standard 3.5mm stereo jack (like the one you'd use for ...
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43 views

Is there a quick way to use “remote trigger” drive mode on the Nikon D7100?

With the announcement of the D7200, I've considered upgrading my old D7000. One thing I love about the D7000 is the option to change the drive mode using a dial underneath the mode dial. In ...
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40 views

How to remove oil from aperture blades?

If you go on ebay or other second hand places, you'll see a fair amount of lenses that have oil on the aperture (particularly on older lenses). I've done some reading and it looks like this oil is ...
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71 views

Susan Sontag's “On photography” - Where can I find concise summaries of the 5 articles/essays?

Susan Sontag's Book "On photography" was written in the 1970s. It is actually a collection of five essays. Countless scholars and enthusiasts have cited her (Actually n = 4200 according to a search ...
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44 views

How do I deal with a lens stuck on a Nikon D90?

My wife has a Nikon D90. She can't seem to switch lenses. When we push the release button the lens barely moves. Does lock back in to place though.
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43 views

How To take a bulb mode shot in dark night

I am making one Film. Where some shots will be taken in bulb mode. I need some suggestion how can I look it better or best of a bulb mode shot in a night. If the shots are like dynamic with some ...
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106 views

Canon 750d very slow focus speed

I've a new EOS 750d (T5i), with several Canon lenses. Before, I used to have a 450d. I've noticed that the camera is very slow to focus, the motor is audibly struggling, and focusing on an inanimate ...
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33 views

Cokin Z-Pro ND filters with Tokina 11-16mm lens

I would like to buy ND filters for landscape photography, and after some research I would go for the Cokin ND filters with Z-PRO holder. Since I have a Tokina 11-16mm lens the P holder would introduce ...
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94 views

Artifacts in shadows, RAW format

Does anyone know how to get rid of these atrifacts in shadows? Examples shot with Canon 5D in RAW. @James Snell: I respond to your remark about artifacts: here are 2 pics in PNG as you asked me. ...
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34 views

Minolta x370s low range led blinks in all light conditions

Using my old Minolta x370s it always shows the metered light as being below the cameras range and the low range led blinks, even in very bright conditions and with the largest aperture. Is this ...
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31 views

How to understand a quote for the correct exposure when shooting ColorChecker?

The problem concerns the examination of the correct exposure photographing a colorchecker... Manual mode, fixed ISO 100 (camera dafault), other values read from the lightmeter ... and now: Can you ...
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34 views

Windows 7 how to switch through monitor ICC profiles and see instant change

Sorry for such a long title, but I have not been able to shrink it more than that :-). In windows XP there was a nice utility named WindowsColorSetup made by Microsoft. That was allowing to load and ...
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113 views

Why doesnt the Photoshop CC Save for web action not close the save dialog?

I am trying to generate several thousand dynamic images using the variables function, and export to data set. Then I am trying to automate Batch all PSD files to save for web as .jpg using an action ...
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44 views

How to solve change in front and back focus at different diaphragms?

I've got an Canon 85mm f1.8 for sport photography and portraits. Testing it doesn't make me smile. I get backfocus at f1.8 and f2.8, but front focus at 2.0 and 2.2. This varies at different distances. ...
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23 views

Toyo Optics wide angle lens okay for X S I?

Picked up an old lens at goodwill (has Montgomery Ward price tag...lol) Toyo Optics 28mm F 2.8 and tried to mount on Canon XSI but it's too small for the mount. Is it possible to get an adapter so ...
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42 views

Mechanical Aperture Control Adapter for my Nikkor lenses

I have the following lenses --- AF-S NIKKOR 18-70 mm 1:3.5-4.5G ED AF-S MICRO NIKKOR 105 mm 1:2.8G And I use it for High Speed Videography mainly. Since these lenses have no mechanical aperture ...
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66 views

Lightroom 5 colour profile issue

I have just noticed that lightroom 5.7 exports every jpeg with AdobeRGB profile embedded, no matter what profile I select in export dialog box, Anyone has an idea why?
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87 views

Nikon D5200 Auto-Focus problems though working with live-view

Recently returned from Nikon Uk after a focusing issue I find that with one of my lenses, (50mm f1.8G) the camera will not auto-focus using any of the modes or areas, though it works fine with my ...
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59 views

Very small quick-release?

I'm thinking of a way to easily swap out a cellphone clamp and a Joby gorillapod. The tinyest gorillapod has a quick release built in, with the removable end mounting on a 1/4-inch screw. The other ...
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41 views

Panasonic GH3 bulb setting without remote?

I'm trying to use the bulb setting for a 20 minute exposure on my Panasonic GH3. Too long to hold the button down and Lumix Link, the android app, can't do it, as best I can tell. Short of buying a ...
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108 views

Nikon D5100 flash doesn't work

My Nikon D5100 recently stopped working all-together and I was able to reset it by holding down the menu button and the quick set (i) button. that released the shutter lock. Now the flash and the ...
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42 views

smart phone gripper for large phone

According to the much-copied review, “the QX1 includes a bayonet-mounted clamp that can latch onto your phone. It can be stretched wide enough to fit pretty much any phone on the market (including ...
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154 views

Are mobile phone camera lenses good enough to support 20MP sensors?

With mobile phone cameras approaching 20 MP while maintaining small sensor sizes, pixels dimensions are typically around 1 μm or lower. What about the lenses? Are they good enough to produce an Airy ...
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51 views

Looking for adjustable length hanging system

I do a lot of firearm photography and am looking for a better system for staging the guns. My current setup is a white muslin backdrop that falls down over a table. I then have an aluminum tube that ...
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211 views

Converter and lens combination to try on sony a7 or a6000

I have bought an a6000 with the kit lens, and it takes nice pictures but I miss some things that I was able to do with my Canon DSLR and old lenses. I have kept some of my Canon lenses. Should I buy ...
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67 views

How can I control the white balance from an Android application?

I am currently working on an Android Application that does Day-to-Night/Night-to-Day Time-lapse using Bulb Ramping, and I think I am 80% there. What the application does is that it takes photos in ...
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62 views

Will the auto document feeder scanner in PIXMA printers scan sheets as small as 4x6?

I'm interested in buying the MX472 to scan 4x6 photos using the auto document feeder feature. Does anyone know if this will work: Will it be able to scan multiple 4x6 photos in the tray, just as ...
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56 views

D5200 LCD monitor failure

The monitor on my D5200 has suddenly stopped working. There is power to the camera and I can still shoot via the viewfinder but can't do anything with the monitor. Any ideas what could cause this and ...
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91 views

Canon EOS Rebel T3 Shutter Speed Acting Weird On Auto

Recently my Canon EOS Rebel T3 has been really acting up. No matter what mode I am on (Creative Auto, No Flash, etc...), except for manual mode, the camera will take either all black or all white ...
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50 views

In intuitive explanation what is zig zag scanning?

In intuitive explanation what is zig zag scanning and what is the purpose for using it in image processing ?
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42 views

USB Possibilities in Olympus PEN Lite E-PL5

can I connect a GPS unit to Olympus PEN Lite E-PL5 with USB? I know there is SmartShutter SS-O1 but not sure if this unit geotagg the raw files or it is just a logging device! I was thinking what is ...
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91 views

How does the Tamron 70-200mm F/2.8 without VR/IS compare to the Nikon 70-300mm F/4.5-5.6 VR?

I'm looking at two different lenses. The Tamron AF 70-200mm f/2.8 Di LD IF Macro Lens. ...
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127 views

Why does an exported JPG image from RawTherapee have much more noise?

Please see the two images below. Any idea why the export output has more noise?
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50 views

Albinar's compatibility with Canon t5

So I have an Albinar ADG 28-80mm lens, that I have acquired, and I was wondering what mount adapter would be required for it to work on either the Canon EOS Rebel T1i or T5, I have both. Thanks!
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29 views

Pentax K-r: how do I turn off multiple exposure?

Multiple exposure: I know how to turn it on but how do I turn this function off? I can't seem to get lower than 2
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60 views

Contrast detection AF not working?

What are the possible reasons why my Nikon D3300 won't focus properly at all on live view? It works perfectly when using phase detection (or when looking through the viewfinder), but when I start ...
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31 views

Canon PowerShot SX160 prevent lens opening due to accidental power on?

Just bought my daughter a SX160 as her first real camera and I neglected to check if there was a way to prevent the lens from opening on an accidental power on. My old PS A710 had a slide button for ...
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39 views

Canon rebel t5 image on LCD

When I push the LCD view display button, if I take pics from the screen--not looking through the viewfinder--it fails to show an image to take the pic. If I switch settings to video it does display ...
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58 views

Old Yashica Flash with Nikon D3200

I have a Nikon D3200 and an old Yahica Branded Flash that came with an old Zenit ET. I googled for the instructions for using old flash with new cameras and found out that the excessive voltages could ...
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44 views

Are there any hardshell covers / protectors for lenses?

I'm a concert photographer, and I tend to end up in mosh pits quite a bit. I've mastered the art of shielding my camera from fists and beers, but I have been starting to see some wear and tear. Are ...
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104 views

Samsung NX1000 focus ring does not work, can't get off manual focus mode either

I bought a used Samsung NX1000 last night, everything is great but it's stuck on Manual Focus mode. The Single Auto-Focus [SAF] and Continuous Auto-Focus [CAF] are greyed out no matter what I try. ...
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77 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 ...
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253 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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91 views

Where can I get poster printing for higher resolution than 5400 x 3600 for 36“ x 24”?

The highest "common" resolution I've seen for printing a poster is 5400 x 3600 for the reasonable price of (~$15), but I have the ability to make the images I want to print (procedurally generated) as ...
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114 views

My DSLR Canon generates Raw and JPEG images of same size

Recently i started facing this problem of not getting RAW (CR2) images larger than the JPEG images when I select options RAW+L (quality setting of the camera). Initially I was getting almost 11MB of ...

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