Reflex optic (delta-visier) for the Swiss Fliegerabwehr Kanone Modell 1954 anti-aircraft gun manufactured by Swiss manufacturer Oerlikon. Optic is manufactured by Wild (Heerbrugg).
Optic is packaged in its original wood storage crate. Crate is in excellent condition and measures 26"x16"x6". Total weight with contents is as indicated on the crate (40 lbs).
Crate is marked with label in German and French identifying the contents and serial number:
Flab Visier 75
zu 20mm Flab Kan 54
Viseur DCA 75
pour can DCA 20 mm 54
This optic was paired with Flab Kan 54 serial number 5500. The serial number on the optic and the storage case are matching.
2.5x10 eyepiece. Glass is very clear and all optical glass is clean. Rubber forehead pad for better comfort when using the optic. Aiming reticle is etched onto the glass; reticle is illuminated in green by an attached unit that houses two green incandescent bulbs that is powered by an external battery/power source (not included).
Includes lens filters, all packaged in individual protective canvas pouches:
- 1x circular reflective yellow lens
- 1x pair (large and small) smoke tinted lens
- 1x pair (large and small) blue tinted lens
- 2x small green tinted lens
Two shooting log books (German: Schiessbuch, French: Livret de tir) for Flab Kan 54 serial number 5500 are included which logs who fired the cannon, when it was fired, and how many rounds were fired. The first shooting book has logs from 1955 to 1987, and the second shooting book has logs from 1987 to 1990. It appears this was in use by a training school in later years as some of the lines reference "Flab RS 247" and "Flab RS 248" (Fliegerabwehr Rekrutenschule 247 and 248, respectively) for example.
One pad is included for identifying and reporting malfunctions (Störmelde- und Defekt Erfassungsformular für 20 mm Flab Kan 54 / Fault Reporting and Fault Detection form for 20mm Flab Kan 54).
Also includes two cleaning cloths and a drawstring bag for the optic.
The Flab Kan 54 was a crew-served 20mm anti-aircraft gun first manufactured by Oerlikon in 1954 and was discontinued in 1998. Approximately 1,540 anti-airsoft guns were manufactured.