Use lens caps. Keep rear element down. Clean camera bag. Air--a blower, not compressed air, blow to clean blower first, store in bag, brush. lens pens, static brush, don't touch brush. Microfiber cloths? No. No eyeglass wipes, Kimtech kimwipes YES. with lens cleaning spray, spray on wipe, not camera, circular motion, then blow w/ rocket blower. hoodman lens cleanse.