This using the slab light plus one torch plus subject lamps. The widest unsupported arch in the UK. It has to be a compromise with these settings. But then it only took 30 seconds.
The slab light gave about 30 mins of full power . As reviewed here previously.
Yes they rushed me about horribly so no proper set ups. Enough as a record for our new visitor though. After all the fuss just two trips booked July to October.