Photography Questions, Problems & Solutions : TransWikia.com ~ Page 23

How to calculate the optimal pinhole size?

As far as I've understood, optimal diameter for pinhole size is calculated by formula whered - the optimal diameter for pinhole...

Asked on 08/16/2021

2 answer

Photoshop 22.3: Change photo perspective

I've stitched together a few screenshots using google street view and now I want to change the perspective of the photo. It's current view is from the street, I want...

Asked on 08/16/2021 by user2240778

2 answer

Sharing Lightroom images in DNG with ability to undo/redo edits in another application?

I am contracted to receive a bunch of images from a photographer who has made edits to many of the images.The photographer has exported a sample DNG file with...

Asked on 08/16/2021 by Topdown

2 answer

Photo Competition 2021-08-09: Food

Theme: FoodCandidates can be:A mouth watering cooked dish.Raw vegetables.Raw fruits.Desserts.Beverages like tea, juices etc.This theme was suggested by Aquarius_Girl.Voting RulesView the submissions sorted by active to give every...

Asked on 08/16/2021 by scottbb

13 answer

For an avid photographer, which cellphone is better between Google Pixel 3A, OnePlus 7T and Samsung S10?

I am an avid photographer and want to buy a phone which gives the best photos even in low light conditions but I have to choose between the mentioned phones...

Asked on 08/15/2021 by scaryghost

2 answer

Why won't my Powershot A450 power on?

My Canon Powershot A450 was fine but needed a battery change. Did not turn on with new batteries. Retried old, same result. Tried more new batteries, still no response. Is...

Asked on 08/15/2021 by Jón Bergsson

0 answer

Consistent black horizontal lines on colour negatives

I just received negatives back, and on the last 10 or so exposures there is a constant black horizontal line on the bottom left of the image. Does anyone know...

Asked on 08/15/2021 by RaoulDuke

1 answer

How are focal lengths derived from camera calibration (resectioning) and pixel sensitive area related?

In camera calibration (camera resectioning process, e.g. camera calibration with OpenCV) does the result for focal lengths fx and fy depend on the photo-sensitive area inside the pixel ? If...

Asked on 08/15/2021

2 answer

What to do with damaged batteries?

I have a damaged LP-E6 battery, looks to be just a cracked plastic shell but retiring it just to be safe. Looking for what to do with it now. Take...

Asked on 08/15/2021 by Seth Kurkowski

1 answer

How do I avoid losing images when my camera won't rewind the exposed film?

My Minolta camera's battery died on my last picture. I replaced it but it won't automatically rewind. The counter is on zero and won't let me take any pictures...

Asked on 08/15/2021 by user75593

2 answer

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