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1answer
174 views

What does make a vintage lens not sharp and can we fix it?

Situation I have this Takumar 200mm lens mounted on a Canon 60D with an m42 adapter. I really like the lens because of the bokeh it creates but the photos are so soft. I tried all the f numbers from 3....
1
vote
2answers
45 views

Will ferricyanide based bleach work well with various C-41 and E-6 films?

I've got limited experience developing color films -- I've done a few rolls of C-41 using a two-bath color developer from a formula I found online, and Kodak bleach-fix and stabilizer, several years ...
1
vote
4answers
18k views

How can I use live view while tethering a Nikon D810 to LightRoom 5 CC?

My camera is a Nikon D810. I have the Adobe Creative Cloud suite and haven't updated it for a while, but my Lightroom version is 5. My camera came with a cable, one side was a HDMI I think that I ...
0
votes
0answers
31 views

Need some suggestion on choosing the best product photography camera [closed]

I want to buy a new camera for my product photography campaign. I need to choose the best one. Can anyone help me by suggesting the best one?
1
vote
3answers
70 views

Splitting up a shot and merging?

Another oil painting question: At my job I am instructed to split up shots of a painting and then merge them together in Photoshop after to achieve the highest resolution possible. I'm doing it and ...
0
votes
1answer
42 views

a6400 Red circle (light / flare) when getting close to darker subject

I run into a little issue today and can’t figure out the root cause. I have the a6400, when I get close to a subject, mostly black / dark fabric type of material, I will see a red dot (light / flare) ...
0
votes
0answers
17 views

Wireless Transmit photos to Computer During Events

I shoot sports events. I am using Canon 1dxM3 - I am needing to transfer photos to the computer while I am shooting for clients to view. I am currently doing this with the EOS utility - however - ...
0
votes
1answer
51 views

What is the camera used by the scientists at the beginning of Titanic?

In the film Titanic [1997], the scientists (and mostly Bill Paxton's character) use a white camera as seen in these screenshots: It looks like one of the Canon camcorders but it's not obvious what ...
3
votes
4answers
545 views

Why does high brightness affect white balance correction?

I am starting to shoot with a Nikon D5200. Today, the light is bright and diffuse because of clouds. In M mode with f at 5.6, I set the white balance preset as per the manual, and often get an error &...
0
votes
1answer
27 views

Does a TIFF file using JPEG compression have the same 65535 x 65535 pixel limitation as a JPEG file?

TIFF allows for JPEG compression, among others. While it is not a well-explored option (most people just opt for lossless compression), I am looking to use it as a similar-size alternative to JPEG, ...
0
votes
0answers
140 views

Canon EOS 750D (EOS REBEL T6i) Focus Is Unreliable

Camera: Canon EOS 750D (EOS REBEL T6i) Lens: Canon EF 50MM F1.8 STM Issue: Focus is unreliable Settings Used: Manual 200 shutter F1.8 100 ISO Correctly exposed every time This all just started ...
0
votes
3answers
190 views

Does lower resolution result in better signal-to-noise ratio, given the same sensor size?

With the release of the Canon EOS R5/R6, there have been many saying that they prefer the 20MP R6 camera over the 45MP R5 camera, due to its lower price but also because of "better low-light ...
0
votes
2answers
56 views

Why 1 sunbeam for each aperture blade in your lens?

I don't understand the embolded phrase below. I'm unschooled at physics and photography. Starburst and Sunstar Effects Starbursts, also called sunstars, are beautiful elements that you’ll find in ...
1
vote
0answers
19 views

Yongnuo YN560IV not firing intermittently with modifier

I have a Yongnuo YN560IV with RF603CII trigger. I have the weirdest problem. Flash fires fine without anything attached to the head, or with my Gary Fong lightsphere or another cheapie mini softbox ...
0
votes
0answers
9 views

blending mode to combine multiple shots [duplicate]

I took many noisy shots in low lighting condition the pictures are identical except for noise pattern, what would be the best blending mode to reduce noise if I were to combine them?
2
votes
2answers
675 views

What is the difference between C41 2-bath and 3-bath (other?) processes

I am experienced B/W chemist but now I am entering into color processing at home. I am wondering what is the disadvantage of developing C41 film in 2-bath chemicals like Cinesitil Cs41 Color ...
0
votes
2answers
22 views

Why does my Yongnuo YN-685 freeze with my YN-622-TX?

I have a Canon 77D, a Yongnuo 622-TX controller on top of the camera, and a YN622C transceiver with a YN-568EX II speedlight. This system works perfectly. Yesterday I bought a YN-685. The problem is ...
0
votes
1answer
31 views

If sensor resolution numbers increase significantly from 12.1 MP to 50.6 MP, why's actual difference in horizontal width much less pronounced?

I don't understand the embolded phrase below from Camera Resolution Explained. Please explain like I'm 10. I'm unschooled at photography or physics. How's "the actual difference in horizontal ...
1
vote
2answers
33 views

Different colors in LR/PS and web

I have a problem with color profiles I guess... So my Lightroom and Photoshop are both set to ProPhoto RGB. I start with editing in LR first and then export to PS - so far so good - all colors look ...
0
votes
2answers
27 views

Is ISO better analogized as how big your bucket is, or putting rocks into the bucket?

Which of the two embolded phrases below is more correct? Serindu. 643 points 1 year ago* Taking a picture is like filling up a bucket of water. The shutter speed is how long you keep the hose on. ...
0
votes
1answer
42 views

Can an RGB channel be shifted to increase color gamut into the violet range?

TL;DR: Can additive RGB color gamuts produce the perception of light that has a shorter wavelength than the Blue component? If not, does shortening the wavelength of the shortest component of a 3-...
0
votes
0answers
30 views

How to reduce color gamut in Photoshop?

I would like to see how the image will be displayed on the monitor with lower color gamut. Am I able to mimic this using Photoshop?
6
votes
5answers
18k 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 ...
1
vote
1answer
101 views

Is it possible to capture milky way on Phones like PoCO F1?

I have seen multiple photographer to claim they captured milky way photograph using phone but to me it looks like overlayed using Photoshop, is it really possible to capture using phones like poco f1? ...
0
votes
0answers
14 views

Can the Nikon D5200 shoot video with white balance correction? [closed]

I have a Nikon D5200 and want to use it to shoot video with white balance correction. I am able to shoot photos having saved the a test photo as a white balance preset (page 79 of the reference manual)...
0
votes
4answers
304 views

Compare superzoom image with DSLR image

I take photos of birds and frequently use most of the 50X zoom available on my Canon SX50 camera, which has a 1/2.5” sensor (about 25 square mm). I want to compare the superzoom image I get to what I ...
1
vote
0answers
44 views

Black Dots when shooting video on Nikon D5300 manual settings

after i shoot videos for a few minutes these black dots appear on my video. I am aware that my Nikon is mainly a photography camera but i am not sure why this keeps happening when i shoot video https:/...
0
votes
4answers
72 views

Is the focus point a variable or absolute size?

In illustrations of the focus point of a sense, it looks to me to be infinitely small and as a result the resulting convergence of light would not yield an image. If the focus point is NOT infinitely ...
56
votes
6answers
23k views

Why are Red, Green, and Blue the primary colors of light?

Colors don't have to be a mixture of red, green, and blue because visible light can be any wavelengths in the 390nm-700nm range. Do primary colors really exist in the real world? Or did we select red, ...
4
votes
4answers
413 views

Is there a digital camera that is able to save people bounding boxes?

I am looking for digital cameras that are able to recognize faces(automatically or by user input) and save those as tags in XMP using either Microsoft Photo 1.2 Schema or Metadata Working Group - ...
0
votes
2answers
193 views

Canon EF-S 10-18mm f/4.5-5.6 IS STM for night landscapes and possible astrophotography

Does anyone have any experience with the Canon 10-18 used specifically for night landscapes or for doubling in Astro photography? I already understand it is a slow lens, and obviously not the first ...
6
votes
2answers
1k views

Why is interval timer shooting unavailable in every mode on my Nikon Z6?

This is driving me a bit crazy. I'm using a Nikon Z6 with the 24-70 F4. I cannot access the interval timer shooting menu (nor the time-lapse movie or focus shift shooting); the camera insists "This ...
-1
votes
0answers
71 views

For Video - Canon mark iii auto focus question [closed]

Some cameras lock in and autofocus (continuous focus) on a subject as they walk torwards the camera and back away from it during video. How do you configure the mark 3 eos 5d to autofocus on a subject ...
0
votes
3answers
46 views

How to light up when using 1:1 macro lens?

With my macro lens I can go so close that even ring flash doesn't really work, how can you light up your subject especially if it's small?
3
votes
2answers
223 views

How to use spacer rings to change the behaviour of the Nikon 35-70 f/2.8 lens

I recently bought a Nikon 35-70 mm f/2.8 lens with some scratches on the front element. I exchanged the front element with the element of an old lens I had lying around. Everything works fine, but now ...
-1
votes
4answers
888 views

How do I compare two similar images' sharpness?

Is there a tool that can help you do such thing? Can photoshop do it? Matlab can, but I don't want to use it.
5
votes
1answer
170 views

Can any MFT lenses be turned into a practical object-space telecentric macro lens by reversing?

The micro four thirds specifications originally want lenses to be image space telecentric if possible. It seems that some MFT lenses actually follow that recommendation. Can reversing such a lens ...
6
votes
2answers
653 views

focal length and sensor width of a phone

I am trying some 3D scene reconstruction in blender using my phone camera but in order for the program to do its math it needs to know the sensor width and focal length of my camera in millimeters but ...
0
votes
2answers
70 views

Can I use my Canon Pixma AiO printer for scanning film?

I would like start scanning 120 and 35mm films, but my flatbed scanner (Canon Pixma 9155 AiO printer) doesn't officially support this. It doesn't come with a film holder, the software doesn't support ...
3
votes
1answer
123 views

What part of Canon 50mm f1.4 is responsible for failure to autofocus?

I have the Canon 50mm f1.4 which had the common focus issue due to deformed inner focus ring. I have straightened the ring and the lens now had full range of manual focus, but Autofocus cannot find a ...
1
vote
2answers
193 views

How to RESET YN560-TX PRO for Nikon after a failed firmware update?

Guys I just bought a YN560-TX PRO for Nikon and I did a firmware update and now is not turning on. Does any of you know how to do a factory reset, or something to help? I really need this to work ...
7
votes
4answers
2k views

How do depth of field and the circle of confusion relate to pixel size on the sensor?

I have been reading about depth-of-field and presume to have a sufficient understanding of what it means and how it is related to lens properties, lens aperture, focal length, sensor format size and ...
3
votes
1answer
312 views

Why does my white picture have a blue hue? And brighter/darker horizontal waves?

I took this picture in a soft box illuminated by three 5000k 10 watt LED flood lights (one on each side and a third on top) I'm using a Samsung Galaxy S5 to take the picture, ISO 100 and Matrix ...
-1
votes
2answers
124 views

I took up my camera by the lens when it was on a tripod… Will it cause any damage?

I took up my camera by the lens when the camera was attached to a tripod. Will it cause any damage?
0
votes
1answer
51 views

white line on my photo different exposure

i got this bright and dark line difference since last 5 months and it happens often but not always is there something broken in my image processor or what  im using fujifilm xt100 and fx 35mm changing ...
21
votes
6answers
8k views

How did my negatives end up upside down and backwards?

I am scanning 35mm negatives of old family photos and came across a roll I can't make sense of. The images are all printed upside down. What's more confusing, though, is that they appear in reverse ...
0
votes
2answers
159 views

Using a modern lens (with electronics) manually?

Long story short: What I have: Panasonic GH4 Endless 3D printing options for making my own adapters Very, very nice japanese retro prime lens from almost 50 years ago (yeah, it really looks ...
0
votes
4answers
94 views

Edit RAW DNG data without demosaic

Is there any software to edit RAW DNG pixel data without demosaic, and save changes directly to RAW?
1
vote
2answers
1k views

Epson Scan 2 Not Showing Transparency Option for Film Scanning

I've been using my Epson V600 (or sometimes, GT-X820) for 6 years. I have gone through Apple updates and having broken Epson software before. (Currently running OSX 15.1 Cat) However, this time ...
4
votes
2answers
280 views

What surfaces have been used to capture images in analog photography?

I'm trying to form a list of the different kinds of materials that have been used in analog photography for the capturing of images. Not necessarily the chemical emulsions, but the 'surfaces'... for a ...

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