SmallHD Sidefinder Accessory for 500 Series MonitorsSmallHD Sidefinder Accessory for 500 Series Monitors he SmallHD Sidefinder Accessory for 500 Series Monitors is an optical loupe that attaches to a SmallHD 501 or 502 on camera monitor to create a flexible, hi resolution EVF for virtually any camera. The optical loupe mounts on the 501 502, which causes the 501 502 to resize the image from 1920 x 1080 to 1366 x 768. This keeps the loupe a reasonable size, while still presenting you with a clear image