It’s a question I’ve heard asked quite a few times: why don’t EVs have solar panels on the roof? Then they wouldn’t need to be charged with a charger, would have infinite range, and would be using only green electricity! It’s a fair question. To answer it, let’s have a look at some numbers. HowContinue reading “Why don’t EVs have solar panels on the roof?”
Tag Archives: solar
Partial solar eclipse
This is the closest to totality that we saw in Bristol during the solar eclipse this morning. Taken on a digital camera, but using a decidedly vintage Tokina RMC 400mm f/5.6 lens with Paragon 2x teleconverter and a custom-made solar filter.
A new view of the Sun
Recently I wrote about making a solar filter for my camera but it’s taken a while to get round to using it. I had a quick go today, using my Canon 450D and a Tokina 400mm f/5.6 lens. The results are a bit iffy – there were massive problems with internal reflections in the lensContinue reading “A new view of the Sun”
Making a solar filter
I wanted a solar filter for my camera, for safe observation and photography of the sun. Typically these filters have an optical density of OD 5.0, which for photographers is ND 100,000. This means that only 0.001% of light is allowed through the filter. You can buy pre-made solar filters, but they are expensive andContinue reading “Making a solar filter”
Jonathan Gazeley 