B/W shots @ Various locations

Bvlgari watch photographed under B/W mode with rear sync flash. Watch face is black and wrist strap is stainless steel which gave me some desired light reflaction. I remembered that I tune the flash power down to get this shot but forgetten what I set.

I kinda like this photo.

Nike and adidas shoes photographed under B/W with slow sync flash. White and black shoes both in the same picture. Kinda think the photo should be taken on other colour floor rather than white as the white shoes loses the contrast. Something like green or yellow should be better.