Tinfoil worked great for me at 100yards and -18F the other day using Trijicon mk3 60mm. Pulsar Trail XP 50 also worked with tinfoil two nights ago. Temp was about 15F.
Originally Posted By: stupidnewbieFYI - I tried today and can report tinfoil did not work @ 6 degrees and snowing.
I think your results are likely due to the snowy conditions.
