More butterfly wings… 1

More butterfly wings...
I got an unexpected “gift” the other day of a Melles Griot 16x/0.32 160/0.17 microscope objective lens. I had ordered the 10x version (which is probably all I need in terms of magnification) but the eBay seller sent me the wrong one – but, being a nice chap, he said he’d refund me and I ...