Red and Blue

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Unanswered Questions

7
votes
0answers
221 views

At which lux level do the Nikon 1 cameras switch from PDAF to contrast-detection?

The Nikon 1 cameras are famous for being able to track focus with their on sensor PDAF. But the story goes that if light is low, it will switch to contrast-detect only and will not track focus as ...
5
votes
0answers
319 views

What might cause horizontal artifacts in Lightroom after import?

I have some old photos on the SD card in my Sony A57. After importing into Lightroom, there are horizontal artifacts on most of the imported photos. This is a screen grab of Lightroom displaying one ...
4
votes
1answer
457 views

Why does changing the aperture cause lag in live view and in videos?

On my Canon 70D there's a considerable lag during the change of aperture when pressing the depth of field preview button. This lag also occurs during video recording, which causes the video to halt ...
4
votes
0answers
104 views

Where can I find viewfinder adaptions for the Fujifilm HS series?

For model series S/HS, in particular HS25, HS30, ... That Fujifilm's viewfinder seems designed (misdesigned) only for persons with very wide set eyes (or with very non-prominent noses and nose ...
3
votes
2answers
49 views

How can I keep lens filters and other attachments from sticking on the lens?

Is there anything that can be used to keep filters/lenses/adjustment ring threads from sticking in the first place?
3
votes
0answers
76 views

Background warping through foreground defocus

I came across this effect the other day, and have spent the better part of the last week trying to figure out exactly what is happening. When photographing two layers, with the foreground in front of ...
3
votes
2answers
113 views

How do I avoid torn sprocket holes with bulk loaded film?

I've started to use bulk load film (Ultrafine 400) and I've noticed that after I've developed it the sprocket holes are torn and twisted. Any ideas or suggestions as to why this happens? I don't know ...
3
votes
0answers
56 views

Does the Eyefi X2 Pro transfer files point-to-point in “private network” mode?

The EyeFi X2 Pro has three network modes: private, direct, and "hotspot". The hotspot mode is part of a previous offering where they had a deal with AT&T and others to allow use of various ...
3
votes
2answers
305 views

How do I photograph a landscape with a solar eclipse where the sun is not the main subject?

In a couple of weeks (March 20th) the UK will experience a near total eclipse (~90%). So, I've read the information in these two questions: How to take photos of a solar eclipse without damaging ...
3
votes
0answers
42 views

Are there still two classes of Canon IXUS/Powershot/IXY/ELPH around?

When I last time bought a Canon Digital IXUS compact camera, there were basically two series available: "Ultra-compact" Digital IXUS 65 ... 70 ... 75 ... 85 IS ... (Europe) Powershot ...
3
votes
0answers
1k views

What is the difference between Canvera and Karizma wedding albums?

What are the significant differences between Canvera and Karizma wedding albums?
3
votes
0answers
31 views

What is the meaning of the distance parameter for line control points?

After fine-tuning control points in Hugin the distance parameter indicates the correlation of two control points in different images and is a value between 0 and 1. However, line control points ...
3
votes
0answers
119 views

How to seamlessly rate in Photo Mechanic but also edit in Lightroom?

I have been using Photo Mechanic to cull my images before I import to Lightroom because Photo Mechanic is considerably faster for this step. Where I run into an issue is when I already have the images ...
3
votes
1answer
197 views

What photo sharing sites allow frequent re-uploading from Lightroom in the background?

I often find myself wanting to re-upload images shared online, for example after tweaking their develop settings or adding new keywords. Some sharing services only allow new uploads or limited ...
3
votes
1answer
187 views

How can I strip tags from a JPEG without removing the color profile?

For a while now I have used exiftool to strip away unnecessary metadata from jpg files (and to add copyright information) before uploading them: exiftool -all= image.jpg However, today I noticed ...

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