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All questions asked by John Watts

List all solved & unsolved questions asked by John Watts

How to speed up passing of images to a GPU

1   Data Science Asked on 12/04/2020

data science model  deep learning  gpu  machine learning 

How would one use filters with the "bulb"-like shape front element lenses?

8   Photography Asked on 07/24/2021

filters  fisheye  ultra wide 

Why would a photographer use a single head 1200 W∙s flash?

3   Photography Asked on 07/24/2021

godox  lighting  monolights  power  strobes 

Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?

4   Photography Asked on 07/24/2021

aperture  bryan peterson  depth of field  diffraction  digital vs film 

How do I find a trustworthy online Nikon retailer in Canada?

2   Photography Asked on 07/24/2021

canada  nikon  online shopping 

How to update the A-GPS file on Nikon 5300?

2   Photography Asked on 07/24/2021

gps  nikon d5300  sdcard 

Is there any practical difference between saving at 300ppi or 72ppi?

7   Photography Asked on 07/24/2021

dpi  ppi  resolution 

How can I get rid of shadows generated from light source behind object of interest?

3   Photography Asked on 07/24/2021

lens  lighting  shadows  sharpness 

How to remove a water stain from printed photo?

2   Photography Asked on 07/24/2021

prints  restoration 

Why isn't the LCD display on my Canon 750D flipping when I rotate it?

3   Photography Asked on 07/24/2021

canon  lcd  rear lcd 

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