Originally Posted by
Rodne Gold
Just a generalisation but it appears that all commercial CO2 laser machines are capable of producing true 8bit shades of grey (without dithering) but it seems that none actually do (perhaps with the exception of the machine manufacturers sales literature photo’s).
Paul the reason most of them don't offer that option for photo engraving is that most substrates are 1 bit and it would be useless for them ... and those that can resolves "shades" are way to fiddly to work with and get it just right..