Canon discontinues one of the best Macro lenses ever!
Canon MP-E 65mm 1-5x Macro Lens Review
CANON MP-E 65mm F/2.8 1-5X MF MACRO LENS Excellent+++ From Japan Tested | eBay
Macro photography focusing rails for stacked focus, especially with Nikon macro lenses or Canon 65mm MP-E f2.8 macro lens with 5X enlargement | Digital Photography
Hunt's Photo & Video Photography Retailer
Laowa 65mm f/2.8 2x Ultra Macro APO - LAOWA Camera Lenses
The Canon MP-E 65mm 1-5x Macro Lens | Myrmecos Blog
The $399 Laowa 25mm Macro Lens vs the $1,050 Canon MP-E 65mm | PetaPixel
Rent a Canon MP-E 65mm f/2.8 1-5x Macro, Best Prices | ShareGrid Los Angeles, CA
Laowa 65mm f/2.8 2x Ultra Macro APO - LAOWA Camera Lenses