OCR Text |
Show An Opera Glass Camera, Another detective camera that hen met with considerable success lately is In the shape of an opera glass. It is really re-ally an opera gluss with the larger glasses removed and disc plates substituted. substi-tuted. The shutter is in the smaller end and a nicely concealed spring operates it. The focus can be adjusted easily, as the screw in the centre is arranged for that purpose. Of course the egatives aro small, but they can be enlarged by any of the many appliances known to the photographic world. Two meniscus lonses of equal focusing powers should be substituted for the concave glasses at the narrow end. New York Evening Bun. I i |