Nikon 62mm Circular Polarizer Category_Rolling Cases the FL-600R has a built-in

the FL-600R has a built-in commander function to remotely fire other wireless flash units without firing itself

excellent close-up capability with 1X magnification

6 ED AL [IF] DC WR lens is designed exclusively for use with PENTAX digital SLR cameras

Both use an internal focusing (IF) design that enhances AF speed and eliminates lens barrel rotation and changes to lens barrel length during focusing

Nikon 62mm Circular Polarizer Category_Rolling Cases the FL-600R has a built-inNikon 62MM Circular Polarizer Eliminates reflections from non metallic surfaces such as water, glass, etc. Also increases contrast and colour saturation. Favorite filter for landscape photographers.