Optimus Long Focus camera

OBJECT TYPE: Camera
MANUFACTURER: Perken, Son & Rayment
NATIONALITY: English
PLACE MANUFACTURED: England, London
INTRODUCTION DATE: ca. 1892
PRODUCTION DATES: ca. 1892-1899
FILM TYPE: dry plate
IMAGE SIZES:
  4¼ x 3¼ in.
  5 x 4 in.
  6 1/2 x 4 3/4 in.
  8½ x 6½ in.
  10 x 8 in.
  12 x 10 in.
  15 x 12 in.
ORIGINAL LIST PRICE: £175
FUNCTIONAL TYPES:
  view
  tailboard
INTERCHANGEABLE LENS: Yes

NOTES:
  Typical of the high quality English field cameras, body of brass-bound
  mahogany, slotted screw heads parallel and filled.
  .
  "The Instrument can be set up almost instanteously, has no loose parts
  and includes all motions, having hinged focusing screen (adjusted by
  rack and pinion action) double swing back, cross fronts reversing back
  arrangement so that oblong dark slides give either horizontal or
  vertical pictures without unscrewing the Camera from the tripod."
  British Journal Alamanac Advertisements, 1892.

OBJECT IDENTIFIER: P4471.00001

BIBLIOGRAPHIC REFERENCE: McKeown, Jim & McKeown, Joan. --Price Guide to Antique and Classic Cameras: 1997/1998.-- Grantsburg, WI: Centennial Photo, 1996. pp 350.//