CF Stinson · Discovery · Voyage · DSV30
This photo shows 305 mm of material.
We had it stored as 216 mm, so anything drawn from it comes out 29% too small.
Every way of measuring itWidth of this photo
- Sample size ÷ pixelsDeclared sample width divided by image width. Assumes the photo shows the whole sample edge to edge.Worked out from the sample sizeConfidence 0.600.71×216 mm0.1874 mm per pixel
- Matched to manufacturer's photoHeld image located inside the manufacturer's hero, whose span is published on its product page.Published by the brandConfidence 0.86agreesSource305 mm0.2646 mm per pixel
- Brand's usual densityThe density most of this brand's matched images share. A check, never an answer.Brand defaultConfidence 0.40Not trustedagrees305 mm0.2646 mm per pixel
Where 305 mm comes from
The manufacturer’s product page shows this photo at 96 pixels per inch, so it spans 12 in. Our photo is 100% of its width, so it spans 12 in. Match strength 0.86.
Open cfstinson.comChecked 2026-09-16