Originally posted by stash Thanks Mike for your explanation. Further questions would be how do you trigger the flash? how do you decide on the power of the flash? and which flash do you use?
The flash is a 1980s National PE-3057 with a maximum GN of 30 (meters) and it is triggered with a Flash Waves radio trigger. Deciding the power of the flash isn't hard; it was outdoors at noontime (though in the shade) so I used maximum power. This flash only has a choice of 1/1, 1/4, and 1/16 for manual settings. I think the snoot and straws probably ate about two stops of light from the flash.
Pentax K20D
Takumar 105/2.8 (Preset)