Optivisor 1.5x No2 Fl 20"/50cm

Made from plastic and used to aid vision, the Optivisor
is a binocular polished glass lens attached to a fully
adjustable leather-lined headband.
When not in use the lens can be swivelled up.
Various strengths are available and spare lenses can be
interchanged.
No. (Magnification) Length No.
2 1.5 20" 999 236
3 1.75 14" 999 231
4 2.0 10" 999 232
5 2.5 8" 999 233
7 2.75 6" 999 235
10 3.5 4" 999 234
For spare lenses see 999 237/307 & 377-380.
To replace the lens: Pinch together the plastic lugs on
the rear of the lens, push forward. The lens is released
To replace another lens simply push the lugs through the
holes on the optivisor until they 'click' into position.