Butterfly

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0
votes
2answers
36 views

Yongnuo YN565ex flash, what is the SL option for?

If a Yongnuo YN565ex flash can only be used remotely without triggers, as an optical slave,via menu options S1 & S2, what is the SL option for? I had hoped SL was to recieve wireless signals from ...
1
vote
2answers
85 views

Why does my lens refocus when the f-stop is changed?

I have a prime Sigma f1.4 50mm lens on my Nikon D90 in P mode and focus mode on a set point of the field and notice that when I am using a tripod and change the f-stop that the camera changes the ...
1
vote
1answer
59 views

Aperture like event view in Lightroom 5

I just purchased Lightroom 5, and am making the switch from Aperture, which I've been using for the last two years, and has all of my 40,000+ images from that time frame. While I didn't realize that ...
0
votes
2answers
86 views

any reason not to disassemble old lens for kids experiments?

I have an old manual-focus Vivitar 400mm lens I bought off eBay. Manually focusing is pretty slow & difficult, even with the live view on the Canon 70D, and as far as image quality goes, it seems ...
1
vote
1answer
37 views

Does chromatic aberration always have the colours displaced in the same way or does it depend on the lens?

I'm needing to match some 3d stuff to some 4k video, so a little chromatic aberration wouldn't be out of place. However, due to the way I've learned to do it (scale one of the colour channels), I just ...
0
votes
1answer
61 views

How can I accurately photograph an empty picture frame?

I'm doing an art project that requires me to shoot an object behind an empty wooden frame suspended from the ceiling. I wear glasses and when I look through the viewer it looks straight however in my ...
0
votes
1answer
50 views

newbie just got a d3200 [duplicate]

I'm quite new to photography in general I've mainly in the past tried to get killer camera phone shots, now the missis has just got me a used d3200 for my birthday, it's body only so has no lens I'm ...
0
votes
1answer
69 views

New camera suggestions for shooting small indoor spaces with bad lighting conditions? [on hold]

I Need new camera something midrange professional for shooting rooms in a local guest house, max budget approx £800. What's good for shooting small indoor spaces with bad lighting conditions? I've ...
9
votes
2answers
619 views

Should film cameras be stored with a cocked shutter or not?

When shooting with film cameras with manual film advancement/shutter cocking, is it better to store it for a longer period of time with the shutter cocked or not cocked. Does it not matter? I'm ...
1
vote
0answers
69 views

Recognize dry areas by separating diffuse and specular reflections [on hold]

This is a machine vision/imaging sort of a problem where we wish to detect dry areas on mostly wet surface. In order to reliably do that we'd like to optimize the imaging side of it. At the moment ...
-2
votes
0answers
20 views

how to use lightroom catalog working on two different laptop [duplicate]

I really need a guide on how to use effectively lightroom catalogs if i use two different laptops, and when i uses the catalogs in an external drives. Do i need to make two catalogs for each laptop or ...
3
votes
1answer
58 views

How to match colors on photographs stitched together?

I wish to create a high resolution picture of two paintings, each in three parts for printing in a book, each across two pages that each measure around 12.5"x10". One painting is a triptych of three ...
2
votes
1answer
57 views

Can I take macro photo with a mirrorless camera as easily as with a compact camera (even without a macro lens)?

I wish to change my Canon G15 camera for an M2 or M3 (when available) mirrorless one. With G15 it is rather easy to shoot macro photos — this is included in the features of the camera and lens. Will ...
1
vote
1answer
50 views

How to Mount Pentax K-Mount on Canon

I have an old Pentax 50mm 1:2 lens (from a Pentax Asahi K-1000) and a Vivitar 28mm f2.8 that I am trying to adapt to fit on my Canon Rebel t2i. I purchased two of these adapters but I cannot figure ...
-2
votes
1answer
57 views

Is it possible to modify a camera by changing cmos sensor?

I am currently looking at using a Basler Ace series camera (part no. acA3800-14um) which comes with the Aptina MT9J003 CMOS sensor. My question is, how easy would it be to change this sensor for ...
0
votes
1answer
49 views

How do I identify the lens mount for this old lens which says “for Canon”?

I'm trying to find the correct lens mount or adapter to use with my canon t3i.
0
votes
0answers
37 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.
1
vote
3answers
151 views

What is the “best” photography tripod for taking panorama pictures?

I would like to buy a photography tripod with great stability and sturdiness to gain "perfect" precision as I will be using it to take panoramic pictures to do VR Tours. I need one that reach 150cm ...
1
vote
2answers
253 views

What should I look for in a wide angle lens?

I'm pretty new to photography .. would appreciate if anyone could advise me a little on comparing wide angle lenses. For example, I'm looking at the Canon EF 24mm f/1.4L II USM and Canon EF 14mm ...
2
votes
2answers
59 views

Is the effect of a fisheye lens visible in an optical viewfinder or Live View?

I live in an area without a camera shop nearby, so I can't see for myself. On a DSLR, is the effect of a fisheye lens visible in the optical viewfinder or do I need a fisheye viewfinder for that? Is ...
1
vote
1answer
52 views

How can I convert a timestamp in Lightroom's .lrprev files to an actual date?

I'm trying to recover some missing images en mass from Lightroom's preview data. Each .lrprev file contains a line similar to this: fileTimeStamp = 346514038.2051, I've already extracted all the ...
0
votes
0answers
39 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 ...
0
votes
1answer
35 views

Memory card is not showing all data [closed]

I have a Panasonic AG-AC90EN 1080p HD camera. I had recorded many video clips, then removed the memory card from camera and connected the memory card to my PC using SD card reader. The problem is ...
1
vote
1answer
62 views

How fast does a sensor cool down sufficiently after a long exposure?

If I am taking long exposures for star trails how long should I wait between exposures to allow the sensor to cool down?
2
votes
2answers
101 views
+100

migrate from Lightroom 3 to Lightroom 5: publish services

I've been using LR3 for a few years now, and had to split my collection into multiple catalogs (I found that over 10k photos, LR would slow down so much as to be unusable). This is supposed to have ...
0
votes
2answers
68 views

How do mask like this using Photoshop? [closed]

Wood is a large image of wood, the red is what is shown. I have this on a PSD sent to me and I'd like to know how to do this to be able to add another texture as this would be amazing help!
0
votes
0answers
37 views

Using motorized lense on a motorized Nikon body [duplicate]

Say I'm using a lens with an AF motor on a Nikon body which also have AF motor. Which one will be active? Is there a way to control it? Thanks
1
vote
1answer
37 views
3
votes
1answer
101 views

What should I expect in maintenance costs after shutter failure for a DSLR?

I know that the shutter could fail on one of my first images, or it could keep going strong hundreds of thousands more, and that a typical Nikon shutter replacement runs anywhere from $250-400 USD. ...
0
votes
1answer
86 views

can you remove a hair on the image sensor in light room?

i took a series of pictures yesterday and discovered that shooting around f/13, f/16, there is what appears to be a hair located on the image sensor and is visible in the pictures where the lens is ...
6
votes
3answers
396 views

Is there a “special look” to images from large sensors that can't be replicated with a smaller one?

A popular statement in the world of photography is that there is a "special look" to images captured with larger sensors/film formats that you simply can't get from smaller sensors. I fail to see that ...
0
votes
1answer
66 views

is there a quick fix to a broken shutter?

I was cleaning my camera sensor with Q-tips because the dust on my sensor couldn't be removed with air. While cleaning it, the camera turned off and the shutter closed. I was startled and take my ...
0
votes
0answers
44 views

New to digital photography - should I buy a D300? [duplicate]

I'm new to digital photography, know basics, and have a chance to buy a new Nikon D300 for $400.00. Don't really want to be limited to an entry level DSLR. Any thoughts? Thank you
-1
votes
1answer
63 views

Camera tips for Smartphones [closed]

I have a 5-megapixels camera (smartphone) which is not quite clear while taking photos. Please tell me some tips to capture clear and professional photos :)
2
votes
3answers
97 views

What is the best practice for batch compressing jpeg files?

This is fairly theoretical, as it is definitely in the realm of "pixel peeping" and is more or less irrelevant for practical use, but with the increasing popularity of full-width images on websites, ...
3
votes
1answer
965 views

Why do my photos appear grainy when taken at the widest aperture?

I have a Nikon d5000 and just purchased a Tokina 11-16 lens. I was taking picture of a dog 1-2 meters away during winter at mid day today. Using the aperture priority setting, I set the camera to ISO ...
8
votes
1answer
153 views

How can I batch crop based on face location?

I've got 12,000 photos from an event where there's only one person in each photo. I need to crop these photos to apply rule of thirds. The idea of doing all of these individually is daunting and I ...
0
votes
0answers
95 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 ...
0
votes
1answer
67 views

How do you downsample an image in Photoshop CS6?

I've tried reducing size but the quality is greatly reduced as well, not to mention custom pixel ratios will make it look ridiculous. What should i do? EDIT: I have used a 1936 X 2592 JPEG picutre ...
1
vote
0answers
24 views

Is there a problem with capture date in Nikon P340?

I have a P340 and, as far as I'm aware, the date has always been set correctly. However on New Years eve I shot a number of pictures at a New years party. Pictures taken from about 7 pm to around 1 ...
1
vote
1answer
114 views

How can I edit the capture date in Nikon raw file

I have a problem importing some P340 raw images into LR5. The issue is that the camera date appears to have been set wrong. (I say appears to as most images are correct, but some - around midnight ...
0
votes
0answers
26 views

Nikkor AF 70-300mm “Lens Not Attached” Error [duplicate]

My AF Nikkor 70-300mm lens stopped working with my D40 for no apparent reason. When I attach the lens, it claims there is no lens attached, even though there clearly is one attached, and the ...
1
vote
0answers
82 views

Is there a way to replicate the look of Allen-Khondji Midnight in Paris and To Rome With Love?

I was wondering is there a way to achieve the look of Woody Allen's films Midnight in Paris and To Rome With Love, for which the director of photography was the Iranian-French cinematographer Darius ...
0
votes
1answer
66 views

Do I get more detail from a shorter focal length by being physically closer?

Let’s say I want to shoot a static scene and have a free hand regarding the focal length. If I ignore the geometric distorion for a while, do I get some image quality advantage by shooting from a ...
0
votes
0answers
46 views

Has anyone used Canon EF lenses on Sony mirrorless cameras? [duplicate]

I'm looking to buy a Sony mirrorless camera. The draw back is the expense of extra lenses as Sony really is proud of their products. Has anyone here tried using a Canon EF lens on a Sony mirrorless ...
1
vote
0answers
52 views

Amplitudes and phases of transform of an image [migrated]

I have recorded an image of a large macromolecule and after several types of image analysis, have obtained a rotationally averaged image, that is not quite perfect, but appears to show 6-fold ...
1
vote
2answers
90 views

Is the weird red and yellow patch near the center of my photo chromatic aberration?

I found this weird red and yellow thing in this shot taken using an EOS Rebel 1200D and the lens that came with it. It looks surprisingly good; how can I control and replicate these effects?
1
vote
1answer
68 views

Add an orientation mark to a polarizing filter's rotating ring

I love the effect a polarizing filter can have when used appropriately; less so the need to rotate the filter around to work out its current orientation. I like the idea of adding a clearly visible ...
0
votes
0answers
20 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 ...
2
votes
1answer
105 views

Get HDR for part of a image

I am starting to learn post editing. I am taking old pictures that I have for this purpose. I feel like image below (as shot) has a great potential and can look great after post processing: I ...

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