All Questions

3
votes
1answer
124 views

Different result between scanning in Epson's “color negative film” mode and scanning in positive -> invert curve in post?

When scanning a 35mm film, if I let Epson's software doing its thing by choosing the "color negative film" mode, without any other adjustment, the resulting raw scan will be yellowish. However, if I ...
0
votes
1answer
62 views

What to do with a Nikon D750 body that when switching lenses won't autofocus?

There was another similar question out there and one of the responders commented there was and he got his camera body replaced. I've been having the same issue with my new nikon just bought in January....
0
votes
1answer
72 views

How does a DSLR measure brightness and sharpness of an image?

In mirrorless cameras, light reaches the image sensor all the time, so this data can be used by the camera to determine the correct focus, shutter time, aperture and ISO. Makes sense so far. However ...
2
votes
1answer
43 views

How clipping is shown in Lightroom?

I don't understand clipping in Lightroom. From my understanding, shadow clipping is displayed as a white triangle on the left of the histogram and as blue zones on the photo. Similarly, highlight ...
0
votes
0answers
19 views

Is it safe to reduce high ppi images for print? [duplicate]

Using Adobe Illustrator to make a brochure for print and have large images that when scaled down reach more than 1000 ppi. If I raster the images to 300 ppi to reduce my project size and increase ...
0
votes
1answer
83 views

What focal length to use for full-body photography of a chubby person? [duplicate]

Recently I took pictures of someone that was slightly chubby. Close-ups using a 50mm lens went very well, but trying to get some distance in to get a full body shot were not really that satisfactory. ...
0
votes
2answers
122 views

Looking for advice for choosing a DSLR for landscape/night photography [duplicate]

After several years of using my Canon Rebel T3 on and off, I've decided to upgrade my camera and start actually learning photography. My main interests are in landscapes and night/astrophotography. I'...
2
votes
1answer
49 views

Yellow tint over my developed portra 400 film

So one of my relatives gave me their Minolta X-700 with Portra 400 Color Film several weeks ago (no experience in photography), tried it and got it developed. So just got the digital scan and ...
1
vote
1answer
66 views

What is “Photo Chromography” and when would it have been in use?

I have an old photo of a woman that is in a very thick beveled glass and on the back it has print stating "Photo Chromography". It is an advertisement saying "This the most recent discovery in ...
1
vote
0answers
55 views

Washed out colors in Irfanview

Someone sent me some very large JPEG pictures, like 15mb each. They look fine in Windows Photo Viewer (Windows 7), but they appear extremely dull and washed out in Irfanview. It's like half of the ...
2
votes
1answer
32 views

Instax Film Developing Red

I have completed the Instant Pinhole Camera which I mentioned in a previous question. To open the pack of Instax Film, I used a pitch black room, blocked all the edges around the door, and opened it ...
2
votes
1answer
42 views

Are post processing operations order-dependent? [duplicate]

In RAW postprocessing (independently of the software you use: Darktable, Lightroom Rawtherapee, One, ...) is the final result dependent on the order you use in applying the different modules? I'm ...
2
votes
2answers
98 views

Is Photoshop slow because of shortage of ram or slow cpu?

I noticed that when I'm working with spot healing tool the cursor sometimes wouldn't respond or the brush overlay would stay for few seconds before applying the adjustment. My question is this ...
0
votes
2answers
27 views

Wireless Shutter Control for Sony RX 1

I have an old Sony RX1 - have no Bluetooth build in. I'm wondering if there is a tool out there that can turn my camera to be able to take a take a shot wirelessly. I'm open to any suggestions at ...
-2
votes
2answers
96 views

I have a Canon 1000D — will a lens compatible with a list of other cameras including the 100D, 700D, 1100D and others fit my camera? [closed]

I need a telephoto lens compatible with my Canon EOS 1000D. Online shopping, I found an offer for a lens for "Canon Digital EOS Rebel SL1 (100D), T5i (700D), T4i (650D), T3 (1100D), T3i (600D), T1i (...
0
votes
0answers
54 views

Should change body or glass [duplicate]

ive been using a nikon d3100 body and the stock lense that came with it. ive been looking at new bodys, but ive also been looking at lenses. the body ive been looking at is 24 mp opposed to the 14 on ...
1
vote
3answers
83 views

How to capture sharp images of multiple objects on a wall?

I need to photograph a wall with multiple paintings with every painting under sharp focus. I believe depth of field doesn't play here as all the objects are at same distance. I tried with higher ...
0
votes
5answers
196 views

What is the proper name of this camera shot? [closed]

It looks a concave shot. But I am weak in photography. What is the proper name of this camera shot?
0
votes
3answers
118 views

Why isn't glass transparency part of the exposure calculation? [duplicate]

The F number is a ratio calculated purely from the focal length of the lens and the size of the aperture. Any light meter talks in terms of F, Shutter, and ISO. Different glass, or just different ...
0
votes
1answer
53 views

Best tools and equipment to digitise film negatives with DSLR, without breaking the bank

I am considering buying Lomography DigitaLIZA film masks for both 35mm and 120 film to use within my digitisation process, however I am unsure of the best methods around the other areas of my process. ...
2
votes
4answers
56 views

How many minutes should I develop Ilford HP5 in Rodinal 1:50?

I shot some rolls of HP5, and planned on developing it in Rodinal. But I got a little confused when I looked at the suggested DevTimes, most sources (incl. MassiveDevChart) give about 11-13 minutes ...
0
votes
1answer
34 views

How long is the range of Canon ST-E2 speedlite transmitter in practice?

I just ordered a used but working Canon ST-E2 speedlite transmitter because it was so cheap that it cost practically nothing. However, the ST-E2 hasn't arrived yet. My flash has support for ST-E3-RT ...
7
votes
4answers
2k views

Is camera lens focus an exact point or a range?

I have often wondered if the focus of a lens at a particular focal length is an exact point or a range within a few millimeters. This becomes all the more important when manually focussing. How far ...
4
votes
1answer
177 views

Why do colors in Photoshop look different from Lightroom?

I know there's plenty of questions like this and I've tried all the provided solutions, but I think my issue is slightly deeper than that. I have noticed that when I do an external edit from ...
2
votes
2answers
64 views

Queuing panorama rendering on Lightroom

I have a whole bunch of panoramas to render on Lightroom. The problem is that when I render one, my PC is dying and I can't really do much with it, much less continue using Lightroom to develop other ...
2
votes
1answer
82 views

Automatic & intelligent crop 1,000 images

I have about 1,000 scanned / photographed images, each with different formats but all with rectangular/square shape, that need to be cropped to remove the background and the white space around the ...
1
vote
1answer
33 views

How do I get a Yongnuo YN-685 to wirelessly fire in MULTI with the YN622N-TX?

I would like to use this setup so that two flashes both fire multiple times until the shutter closes. I can get the flashes to do this individually when attached to the camera, and I can get both to ...
0
votes
1answer
93 views

Transferring a lossless image from an iPhone

asking for a friend. He has an iPhone 5 with a number of crisp photos on it that he wants to move to his computer. However, on moving them to his PC via file explorer, they appear to lose a certain ...
5
votes
2answers
1k views

What is this called? Old film camera viewer?

I don’t know what it is, but I found it at a thrift shop. You put the little white squares that are in the back into it, look through the lens and you can see the pictures. I found it super ...
0
votes
1answer
25 views

Canon 200d/SL2 real time metering

The light meter only updates after pressing the shutter button half way. Is it possible to show it before the shutter is half way pressed.
2
votes
2answers
67 views

Filter holder adaptor with Canon's EF 8-15mm f/4L Fisheye USM lens

I'm interested about using ND filters with the Canon 8-15mm fisheye, but I'm not finding information about which alternatives are available. Are Format or Lee sw150 compatible with such lens? If ...
6
votes
2answers
166 views

Why are image colors inconsistent in different applications after monitor calibration?

I have calibrated my monitor using a colorimenter, however I found out that the colors appear different in different applications. I have created two test images and opened them in several ...
0
votes
1answer
25 views

Bucket tool based on lower layer in GIMP [closed]

In GIMP, I want to use the bucket tool to fill in certain areas of my image, but I'd like to do it on an upper layer rather than directly on image. I think I need to tweak some of the layer settings ...
13
votes
2answers
905 views

How do apertures which seem too large to physically fit work? [duplicate]

A 400mm f4.0 lens is supposed to have a maximum aperture diameter of 10cm. Looking at such a lens they don't seem big enough to fit that kind of aperture including all the mechanics for control inside ...
0
votes
1answer
58 views

Which brand 1.4 Teleconverter ensures autofocus for Sigma 150-600mm C other than TC 1401 sigmas own

I have a Kenko tokina 1.4 teleconverter. When attached to 150-600mm C sigma lens and camera switched on, it shows Err01. However if the electrical contacts of the teleconverter are blocked with a tape ...
0
votes
3answers
99 views

Is it normal to see focus inconsistency frame-to-frame with an f/1.4 lens?

I have the Nikon Sigma 85mm 1.4 and I've noticed some inconsistency with focus. I setup a tripod, and a lens calibration card in an attempt to micro adjust the focus. However, what I noticed was that ...
3
votes
2answers
565 views

Why are there dark corners when using Sigma 85mm F1.4 EX DG HSM with Canon 80D?

When using a Sigma 85mm F1.4 EX DG HSM with Canon 80D, a bright circle with dark corners appears in images shot at F1.4. Above F1.6, it doesn't appear in image, but does show in live view. No hood or ...
0
votes
1answer
57 views

How do you put on 55mm Vivitar Wide Angle Lens and Telephoto Lens on a 18-55mm Nikon D3300?

I have a Nikon d3300 with 18-55mm lens. I bought 55mm Vivitar Wide Angle Lens and Telephoto Lens. And it won't screw on. Do I need an adapter?
0
votes
1answer
41 views

Automate change background to white on all images?

I am working with model images that our standard images have to be the item with white background. Ive had vendors sending me images with their item only with off white background and I have to do 600 ...
0
votes
0answers
46 views

Compatible mobile instant image printers for Canon DSLRs

I'm looking forward to buying one of those neat mini instant images printers. Here's a chart from this article comparing some of them. (At least) The Instax SP-1 and Kodak Mini 2 are missing. I would ...
0
votes
2answers
67 views

Canon Rebel T5 DSCR zoom lens recommendation [closed]

I am going on an Antartica cruise and want to take long distance photos from my balcony and want a zoom lens that won't kill my budget (can't afford those $2,000 lens'). Would appreciate any ...
0
votes
0answers
46 views

Scanned paper has noticeable “missing columns”

Scanning with an EPSON Perfection V39 shows two of these missing columns of pixels on an A5-ish sized paper. The scanner is brand new. Does this issue stem from the hardware or the software?
-2
votes
3answers
157 views

What are the odds of breaking a camera by opening it?

Mode selector of my DSC W610 started to change the modes for no reason and I want to "correct" it but I am afraid of breaking the camera. I have heard opening cameras will literally fill the sensor ...
0
votes
1answer
63 views

How to correctly apply gamma to linear raw files from a machine vision camera?

I am using a machine vision camera that, according to the manufacturer, produces linear pixels. As a result, I need to apply a gamma correction to the image before I can view the result. However, ...
1
vote
0answers
72 views

Need camera suggestion for identifying text on engraved matte metal, to collect data for a machine vision application [closed]

The project objective is to read engraved text on matte metal surface. Like below: The target (targets) is moving on a conveyor belt and contains both text and numbers. We have a plan of trying ...
0
votes
1answer
65 views

How to identify the original manufacturer of lenses branded Soligor?

There are Soligor-branded lenses for which I wish to identify the manufacturer. I have read that Soligor encoded the manufacturer in the serial number, so in principle, I just need to find a list of ...
6
votes
0answers
83 views

Who were the Bauhaus photographers and what was their impact on commercial and artistic photography today?

The Bauhaus was a German art, craft, and design school which operated between the World Wars. I was recently at an exhibit of works — mostly paintings, architectural drawings, and sculpture — which ...
0
votes
1answer
39 views

Photoshop create absolute Selection from “Select Color Range”

I've selected a color range with Photoshops "Color Range" tool, but the selection is a bit transparent. I want to delete the selected color. Is there a way to make everything completly selected or ...
0
votes
1answer
23 views

Nikon 3500 using snapbridge

On a Nikon 3500 is it possible, on Snapbridge, to see the what the camera lens sees before the picture is taken? If so how?
1
vote
1answer
67 views

Do I need permission to use images of real estate properties we manage?

Hi I work for a property management company and we'd like to use images of the properties which we manage within our portfolio on our website and social media/marketing materials. They are just ...

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