Life in slow motion

by Helen Hooker July. 15, 2019 255 views
One of my first pictures - a thirty second exposure

One of my first pictures - a thirty second exposure

For my next photography workshop at Hatfield Forest we’re going to try some long exposure photography. Heavy duty Neutral Density filters are pretty expensive so to give my students taste of this style of photography without spending a fortune. My solution is welding glass – heavy duty glass designed to cut out light, just like an ND filter. The downside is the heavy green tint this glass has, but that doesn’t matter so much for monochrome images. Given that the glass cost just £1.25 it seems a fair compromise to make!

I spent an hour after work today giving the welding glass a test drive. I found an ancient oak tree to photograph, ensuring I included lots of sky to try and capture the clouds moving by. Figuring out the right exposure settings was a little hit and miss, but I got good results at both 30 seconds and 4 minutes.

This one took a little longer - about 4 minutes

This one took a little longer - about 4 minutes

Back home, I downloaded them to my computer and edited them to create both colour and monochrome looks. The colour cast is very severe, but I managed to neutralise it to a degree and quite like the rather retro look of the colour treatment. The glass also created some interesting lensflare, although that could be because I forgot to put a cloth over the top to stop light leaks! I can see this requires some more experimentation in the coming days!

The green colour cast from welding glass is quite extreme, so the sky still looks a little surreal, with purple lensflare to boot!

The green colour cast from welding glass is quite extreme, so the sky still looks a little surreal, with purple lensflare to boot!

15 July 2019

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