STUDIO UTILITY SERIESFS—012
FIELD NOTES / FOCUSSCALE
GIVE THE FRAME
A SENSE OF SCALE.
A matte-finished stainless-steel ruler for size reference in close-up and tabletop photography. Metric and imperial markings let you include a familiar scale beside small subjects.
- OVERALL LENGTH
- 20 cm
- SCALE SYSTEMS
- 02
- MATERIAL
- STEEL
MATERIAL STUDY
Brushed steel.
Clear markings.

A matte stainless-steel surface, rounded edges and a hanging hole form a simple reference tool for the photography workspace.
PREPARE / ALIGN / RECORD
Set the scale.
Keep the context.
-
01PLACE
Lay the ruler on a stable, flat surface beside the subject.
-
02ALIGN
For an in-frame size reference, keep the scale in the same plane as the subject detail.
-
03RECORD
Align with the marked zero line, then capture the reference and subject together.
ONE REFERENCE RULER
Two scales.
A shared zero line.

One stainless-steel ruler with metric and imperial graduations. Both scales start at the printed zero line, which is inset from the physical left end.
Read the marks.
Know the limits.

The guide distinguishes the 20 cm overall length from the marked measuring ranges and identifies the offset zero line.
- INCLUDED
- 1 stainless-steel reference ruler
- OVERALL SIZE
- 20 × 3 × 0.1 cm
- METRIC SCALE
- 0–18 cm; 1 mm graduations
- IMPERIAL SCALE
- 0–7 in; 1/16 in graduations
- ZERO LINE
- 1 cm from the physical left end
- HANGING HOLE
- 0.4 cm diameter
Not individually calibrated. Use as a general size and composition reference rather than a certified precision measuring instrument. Perspective and scale placement affect apparent size in a photograph. Camera, subjects and other workspace props are not included.