"Lighting-demo “being-arty-and-dragging-the-shutter”"

Whats the story behind this image?
Lighting-demo for “being-arty-and-dragging-the-shutter”

Single light-source set
Shot in a single exposure/capture
In-camera effect

tethered digital shot

Capture One Pro
+ Nikon D200 (CCD) ISO 100
+ AIS Micro-Nikkor 55mm lens

specialist flash-lighting
Briese focus.2 115 S-H lighting system
+ Briese B6 lamp-head
+ Briese yellow cube 800e flash-generator

subject located
within ‘diameter distance’ of spot=position (focused)
Briese focus.2 parabolic reflector to yield lighting effect
focus tube-position 2.5

For the required light-control,
the entire studio walls and floors covered in black-velvet sheeting ?

light meter
Minolta Spotmeter F

Camera Exposure
F32 @ 4secs (ISO 100)

Flash generator output setting
1 (89 ws / Eighty Nine Watts)

Modelling-light setting
at proportional

subject
Humble-studio-office - window decoration

studio
Scarborough, United Kingdom 2022

‘ Original Photographic Works ‘ by Richard Alan Mulford are subject to United Kingdom Intellectual Property © Copyright legislation

Kindly note
Our humble-studios specialist-creative lighting services involve-creating "Optical-Illusion" -
Clients are always most welcome to visit our humble-studio, based in Scarborough in the United Kingdom

Best wishes