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how to get zoomed in images of tiny seeds with phone camera?

I have some tiny seeds on a plate that I want to take pictures of, and I want them to appear big in pictures so I can identify them at the same time, covering the whole or at least half of the plate. ...
Shahbaz's user avatar
  • 11
1 vote
0 answers
51 views

Nikon D3300 connect to smartphone

I own a Nikon D3300 and I want to use an external monitor but without spending too much money. D3300 doesn't provide WiFi capability. So, i found out that I can use my phone with an otg cable and ...
Apo1235's user avatar
  • 11
3 votes
3 answers
187 views

Home made lens system for imaging 3mm wide object

I want to take a picture of 3x3mm object so that only the object is visible, i.e. it fills the whole image. I have a small machine vision camera with ...
e e's user avatar
  • 31
0 votes
3 answers
147 views

Can multiple exposures be corrected?

I digitized a double exposure film negative taken 50 years ago. (It is a .tiff file) Is it possible to remove the superimposed images using Phtotoshop or Python? enter image description here
moruna's user avatar
  • 1
0 votes
1 answer
57 views

Migrate from Apple Photos to darktable

all. Is there already a way to migrate from Apple Photos to darktable? I know it's possible to read from an Apple Photos database with AppleScript and that Lua has a Lua scripting API, so if there isn'...
Becca's user avatar
  • 101
0 votes
5 answers
168 views

Landscape lens vs portrait lens

How is a landscape lens different from a portrait lens optically. I believe all wide angle lenses are primarily landscape lenses and all in one is the kit lens. Is the 50mm lens primarily a portrait ...
Anil Joseph's user avatar
0 votes
2 answers
80 views

Why is my Nikon D5100's pop-up flash only lighting parts (top/bottom) of the frame?

I'm using a Nikon D5100 with a shutter count pf only around 7k. Now when I use it with the pop-up flash, only the thin top part or thin bottom part is flashed, the rest would be black or dark. I tried ...
Marc Narciso's user avatar
0 votes
1 answer
61 views

Pixel 6 Pro Very Strange Artifacts

This is my friends old photo, and many are convinced that this is a ghost, hehe, but you can clearly see curved bars that make up the image. I've spent way too long trying to find the answer, can any ...
Judith's user avatar
  • 1
-1 votes
3 answers
116 views

Canon 50mm f1.8 VS EF-M 15-45 mm

How much of a difference in IQ of the nifty-fifty against the EOS M 15-45mm kit lens? I personally have found the kit lens sharp and image looks a bit modern (or not? compared to EF 100-300mm I owned)....
Redsbefall's user avatar
0 votes
1 answer
67 views

What are these straight bright lines in the negative and scans?

I ran a test roll of Fujicolor C200 through a newly acquired Voigtländer Vito II. Upon closer inspection, all the photos have bright straight lines (take a look at the top 20% of the picture where the ...
spinningarrow's user avatar
1 vote
2 answers
823 views

How much noise does Getty Images tolerate for a contributor application?

I captured some decently pleasing pictures (when zoomed out) using Canon M50 + kit lens during the time of sunset. The image, when not zoomed in 100% looks well, but when zoomed in 100%, it looks ...
Redsbefall's user avatar
0 votes
0 answers
29 views

Hotshoe flash options for a canon 4000d

I have the canon 4000d, wonder what flash would be available for it. In the hotshoe? It has a built in flash but it does not automatically pop up.
Gayle's user avatar
  • 1
1 vote
2 answers
109 views

Vanishing Points and One-Point Perspective in Photography/Cinematography

To my understanding one-point perspective is produced when the parallel lines (depth) in a scene are orthogonal to the image plane and the other two dimensions height and width are both parallel to ...
vannira's user avatar
  • 133
1 vote
3 answers
178 views

Why has no phone manufacturer tried a lens turret system yet?

Early 35mm film cameras, esp. movie ones, used lens turrets, ie. a ring with 3 or more pre-mounted lenses that you would rotate to switch between lenses. I'm talking about this: I do wonder - why not ...
Piotr Chylarecki's user avatar
0 votes
1 answer
61 views

120mm with 35cm minimum focus distance for Macro? [closed]

Is 120mm focal length with 35cm minimum focus distance good/close enough for macro insect photography?
Redsbefall's user avatar
0 votes
1 answer
60 views

Why don't my Fujifilm X-A20 autofocus after putting back on original lens?

I have a Fujifilm X-A20, but I removed its original lens around 4 years ago and have been using a meike lens I bought at the same time. Today I decided to put back the original lens to use it but I ...
hellohelpmetq's user avatar
0 votes
0 answers
58 views

Is converting CR3 raw images (Canon EOS R6) to adobes DNG for usage in Photoshop CS6 lossless and otherwise unobjectionable

I replaced my old camera with CR2 raw format a while ago with a new one (Canon EOS R6) with CR3. As soon as I shot the first pictures with it I had the problem that they could not be opened in ...
Jan_B's user avatar
  • 101
0 votes
4 answers
3k views

Why am I missing photos?

I got my photos from my disposable cameras and I’m missing about 18 of them out of 52. I was just wondering if I could get the rest of them back.
Brooklyn's user avatar
1 vote
1 answer
63 views

Can I use a CFast 1 card reader to read a CFast 2.0 memory card?

CFast 1 uses the SATA II interface while CFast 2.0 uses the new(er) SATA III interface. SATA III is backwards compatible with SATA II but does that mean I can use a CFast 1 card reader to read a CFast ...
U.B's user avatar
  • 11
0 votes
0 answers
23 views

For what case is "Image sizing" in Lightroom relevant? [duplicate]

Prerequisite: A digital picture is in my opinion only a sequence of pixels. e.g. in the .png format (simply explained) for each pixel, the color value and its position is stored. So how big a digital ...
JJandke's user avatar
-1 votes
3 answers
155 views

Where are Adobe Lightroom (not Classic) edits stored?

I want to ensure my Lightroom edits are backed up. From what I understand, in Lightroom "Classic," a "catalog" was used to store edits. This notion seems to have been deprecated at ...
glenviewjeff's user avatar
0 votes
1 answer
117 views

Is this a double exposure?

My wife took this pic of some plants using her Samsung Galaxy phone, and was surprised when these two bees showed on the photo. Not surprised at bees being near plants of course. But what's puzzling ...
Peteinterpol 's user avatar
1 vote
3 answers
143 views

Difference between Spectral Sensitivity and Spectral Dye Density, and how are they linked?

I read on a paper from kodak the differences between the two, but I'm still not sure if I understand it correctly. I'm pretty certain I understand the spectral sensitivity of film, as it is pretty ...
vannira's user avatar
  • 133
-1 votes
1 answer
60 views

What are some abbreviations used in the photography industry? [duplicate]

For example, DCIM is short for Digital Camera Images. When typing the name of something into a search engine it is useful for the computer to know that the strings of text ...
1 vote
1 answer
145 views

How to make CDs not reflect?

I’m having a party and my friend suggested to have a CD backdrop wall for photos. My concern is that if photos are taken with flash all the CDs would reflect in the pictures. Anyone have experience ...
Livi's user avatar
  • 11
1 vote
4 answers
102 views

What glue should I use to fix a broken USB port cover on a Canon G7X?

Someone tried to open the USB port cover on my Canon G7X from the wrong side, and partially separated the two pieces: I also made a short videos that better show the properties of the materials: ...
Kaypro II's user avatar
  • 131
0 votes
1 answer
76 views

What should I consider when selecting radio flash triggers for legacy flashes?

I own a Nikon Z6 II. Now I'm looking for radio triggers to use my SB-600/SB-800 flashes off-camera. What features should I be looking for and what factors should I be considering? I think I need ...
Ard Bijen's user avatar
0 votes
0 answers
72 views

What to use when signing print on metal

I saw an old thread about using a BIC Mark-It to sign print on metal. Then I saw a set of BIC Mark-ITs on amazon but when it was delivered, the label said BIC intensity. Does anyone know if BIC Mark-...
canonguy's user avatar
0 votes
1 answer
94 views

Wrapping my head around the signal to noise ratio

To my knowledge the signal to noise ratio when talking about shot noise, is defined as the mean signal divided by the standard deviation. In the Poisson distribution, which can be used to model shot ...
vannira's user avatar
  • 133
4 votes
1 answer
1k views

Who said "when I am changing film rolls there is no photograph"?

I might have gotten the quote wrong, because I cannot find it anywhere online, but it is something along the lines... The context is that a famous photographer was asked how he felt about the photos ...
fortran's user avatar
  • 1,735
1 vote
0 answers
92 views

I also have a camera tripod that I am intrigued with. I can not find anything on line about it or the brand. I need some help plz. I have some picture [closed]

Can anyone help me identify this tripod. I believe it was used for photography of still images and people at a photography shop. Also does it hold any value?
Robb Kidd's user avatar
1 vote
0 answers
31 views

Can I Automatically append/suffix an image file name with the contents of the 'Tag' meta data?

I hope you can help. I am a complete amateur and don't understand anything about scripts and what not. I have all my photos tagged - places, people etc. using the 'Tags' metadata field. I would like ...
Ray's user avatar
  • 11
0 votes
3 answers
147 views

Canon EF 40mm f2.8 consistently sharp across the frame?

Does the EF 40mm f/2.8 lens give sharpness not just at the center but also to the periphery most of the time..? In comparison with the 50mm f/1.8 STM which only very sharp at the center..? I have done ...
Redsbefall's user avatar
0 votes
1 answer
80 views

GoPro footage from App to Computer?

I have a GoPro Hero 11, and have saved lots of photos and videos to the Cloud, and the Quik App on my phone. How can I get the photos/videos from the Quik App to my computer? The videos are stored in ...
BruceWayne's user avatar
0 votes
2 answers
56 views

Lightroom Classic synchronize folder fails to import metadata

I have Lightroom Classic 12.4 on my laptop and desktop, and store all my photos on my Synology NAS. I edit my photos locally on my laptop using Lightroom Classic, then (when I'm home) I use Lightroom ...
thatguy's user avatar
1 vote
1 answer
100 views

Does my new Helios 44m have fungus?

I just bought a new Zenit 122 camera with helios 44m-6 lens. The lens has something inside and I'm afraid if it's fungus and could infect my other lenses
user2085899's user avatar
3 votes
2 answers
74 views

How can I properly store multiple prints up to 60x90 cm at home?

Over time I have various prints from my photos, from 30x40 cm up to 60x90 cm. Mostly chemical prints from online good quality photo labs, but some are fine art prints, so inkjet (I think). They always ...
FarO's user avatar
  • 1,329
-1 votes
1 answer
96 views

Is it possible to find year of manufacturing for Canon 77D camera from its serial number?

Planning to buy a Canon 77D from mpb.de website. I know the serial number of camera. Can I approximately find the year of manufacturing from the serial number?
programmer_04_03's user avatar
0 votes
2 answers
60 views

Relation between half angle of numerical aperture and angle of view

The numerical aperture is defined as NA = n sin(θ) Where θ is the half-angle. For a lens consisting of multiple elements, is there any relationship between θ and the angle of view of the lens? Can ...
Amarth Gûl's user avatar
0 votes
1 answer
39 views

DOF formula vs the simplified DOF formula

I was calculating the theoretical difference in the change of the DOF (depth of field), between a frame achieved on a 25mm signature prime and an "identical frame" achieved by using a 75mm ...
vannira's user avatar
  • 133
1 vote
2 answers
69 views

How to check for excessive light from faculae on the dwarf planet Ceres?

The Dawn space probe took a lot of photos of the dwarf planet Ceres in the asteroid belt, and discovered the strange looking faculae (white spots) in the Occator crater that seem to glow in the photos,...
Sven _Andersson's user avatar
0 votes
2 answers
81 views

How can I digitize very dark film?

A while ago I had the chance to try out analog photography. Due to unknown reasons in development (likely a problem with one of the liquids) the resulting film negatives are very dark. That is, if I ...
jng224's user avatar
  • 1,608
11 votes
3 answers
2k views

70cm perfect focus depth of field for product photography

Please look at this photo below, on the left is the full product, and on the right is the 100% crop of the same photo. The guitar is around 100cm tall. If you incline by around 45°, you have about ...
Mario's user avatar
  • 313
0 votes
2 answers
57 views

Feasibility of simulating an Imagon lens with depth maps?

The Imagon lens gets its soft focus by being uncorrected for spherical aberration, so the light rays from the outer part of the lens focus at a different spot then those from the center. The degree of ...
Lynn Grant's user avatar
0 votes
1 answer
63 views

Pentax ME every other roll is blank, is this one too?

Every other roll I’ve used on my Pentax ME this year has come out blank. Current situation is I got to 36 but no resistance to signify roll is finished. Instead, I am able to keep taking pictures and ...
Chris's user avatar
  • 1
0 votes
0 answers
98 views

Testing out an old camera - why have the scans come out like this?

Found an old Goldeck medium format camera which I tested with a couple of rolls of film. Nearly all of the scans have come out this way even using different focus lengths. The last shot of the second ...
guestm's user avatar
  • 1
10 votes
2 answers
3k views

How can I take good photos of stars out of a cockpit window using the Samsung 21 ultra?

I am an airline pilot and as the winter is coming and we get nice clear nights I am seeing masses of stars out the flight deck windows. At night we have dim lighting in the flight deck and when I try ...
pilotman's user avatar
  • 201
0 votes
2 answers
65 views

Battery care and time resets?

In the past, I used to always leave one battery in my cameras. I have a set of photography and videos cameras including some Canon, Panasonic and Sony. I currently use them every few weeks, sometimes ...
TTT's user avatar
  • 253
-4 votes
1 answer
109 views

What is a .webp file?

I am accustomed to using old file formats. For example, .JPEG .BMP .GIF Beginning in the ...
Toothpick Anemone's user avatar
1 vote
2 answers
150 views

Grey circles in the background in photos

All my photos contain grey circles which is especially noticable on light background (e.g. sky). I don't know what is the name of this specific artefact and what is connected to (lens? camera?). So ...
Inna's user avatar
  • 13

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