The Apple Pencil is great for drawing and sketching, but it’s also handy for photo and video editing. | Photo by Amelia Holowaty Krales / The Verge If you own a recent iPad Air, iPad Mini, or iPad Pro, then the latest Apple Pencil makes for a helpful — albeit expensive — accessory. Today’s deal helps a little with the costliness of it, as you can now get the second-gen Apple Pencil for $85 ($44 off) at Amazon or Walmart. That’s now the all-time low price for the pressure-sensitive stylus with convenient wireless charging. Yes, you can spend a whole lot less and get a knockoff stylus that mostly does the job and looks the part, but you’re not going…