I woke up thinking about this, mostly because my 5X7 Elwood came with a reduction extension cone
A quick search showed APUG had this discussion in 2018 with many of our members giving great answers
A ?, is a reduction from LFPF definition of LF as 4X5 and larger still Large Format for posting images?
#2 ? are APUG links allowed on LFPF
Just in case not, use these words to find what I now know..........
massive reduction with enlarger
I will need to do this for contact printing Postcards
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