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Panoramic objective for endoscopy
Letter to the Editor Panoramic endoscopy KEYWORDS:
objective
optical
for
instruments,
systems
design
Dear Sir.
The lens is no longer under production. However, M/s VOLPl of Zurich are willing to license its production to any interested party.
This has reference to the article ‘The Tube Peeper: a new concept in endoscopy’ by P. Greguss’. Your readers may be interested to note that a very similar objective was marketed in the late sixties to mid seventies by M/s VOLPI SA of Zurich. Switzerland under the brand name ‘Peri Apollai.
A few of these lenses may still be available with the US importers M/s Karl Heitz Inc, of 3rd Avenue. New York Reference 1 Creguss, P. ‘The Tube Peeper
The lens of this instrument was supplied with suitable adapters. for endoscopy, and for direct photography with most 35 mm SLR cameras. 6X6 cm roll film reflex tine and TV cameras.
a new concept
in endoscopy‘
Opt Laser Techno/ 17(I) (1085) 41-45
Yours sincerely
It has a cylindrical (that is. 360”) field of view of approximately f 45” from the horizon around the axis, and produces an annular image. This can be projected on the inside surface of a transluscent drum to recreate the scene.
K R Sertharaman Shar Centre, Indian Space Research Organisation. Sriharikota Range 524 124. Nellore Dist (AP). India Received 21 May 1985. I
@V@
Come ne)ct February-
THINK ATLANTA! CONFERENCE
ON OPTICAL FIBER COMMUNICATION FEBRUARY 24-26,1986
TOPICAL MEETING ON INTEGRATED AN0 GUIDED-WAVE
OPTICS
FEBRUARY 26-28,1986 OFC’86 will be held at the Marriott Marquis Hotel, Atlanta and is the major North American conference on the technology and application of optical fibers. The three principal areas of attention at thii meeting will be: FIBERS AND CABLES; ACTIVE AND PASSIVECOMPONENTS; and SYSTEMS, SUBSYSTEMS, AND NEW APPLICATIONS. While you are at the conference, be sure to visit the Technical Exhibition. This is your chance to see the latest products and services used in the optical fiber field. The exhibit is also an excellent chance to meet and exchange information with representatives kom the leading companies in the field. IGWO’86 will also be held at the Atlanta Marriott Marquis. This topical meeting will deal with: DEVICES AND CIRCUITS THAT MAKE USE OF OPIKAL WAVEGUIDES; PHENOMENA IN THESE WAVEGUIDES;and MONOLITHIC OPI-OELECTRONIC STRUCTURES.
OFC/IGWO’SB is sponsored jointly by the Lasers and Electm-Optics Society of the Institute of Electrical and Electronics Engineers and the Optical Society of America. Information on the exhibit can be obtained from: Larry Lotridge, Exhibits Manager, Optical Society of America, 1816 Jefferson Place, NW, Washington, DC 20036. Telephone: 202 223-0920.
!72
OPTICS AND
LASER TECHNOLOGY.
OCTOBER
1985
objective
optical
for
instruments,
systems
design
Dear Sir.
The lens is no longer under production. However, M/s VOLPl of Zurich are willing to license its production to any interested party.
This has reference to the article ‘The Tube Peeper: a new concept in endoscopy’ by P. Greguss’. Your readers may be interested to note that a very similar objective was marketed in the late sixties to mid seventies by M/s VOLPI SA of Zurich. Switzerland under the brand name ‘Peri Apollai.
A few of these lenses may still be available with the US importers M/s Karl Heitz Inc, of 3rd Avenue. New York Reference 1 Creguss, P. ‘The Tube Peeper
The lens of this instrument was supplied with suitable adapters. for endoscopy, and for direct photography with most 35 mm SLR cameras. 6X6 cm roll film reflex tine and TV cameras.
a new concept
in endoscopy‘
Opt Laser Techno/ 17(I) (1085) 41-45
Yours sincerely
It has a cylindrical (that is. 360”) field of view of approximately f 45” from the horizon around the axis, and produces an annular image. This can be projected on the inside surface of a transluscent drum to recreate the scene.
K R Sertharaman Shar Centre, Indian Space Research Organisation. Sriharikota Range 524 124. Nellore Dist (AP). India Received 21 May 1985. I
@V@
Come ne)ct February-
THINK ATLANTA! CONFERENCE
ON OPTICAL FIBER COMMUNICATION FEBRUARY 24-26,1986
TOPICAL MEETING ON INTEGRATED AN0 GUIDED-WAVE
OPTICS
FEBRUARY 26-28,1986 OFC’86 will be held at the Marriott Marquis Hotel, Atlanta and is the major North American conference on the technology and application of optical fibers. The three principal areas of attention at thii meeting will be: FIBERS AND CABLES; ACTIVE AND PASSIVECOMPONENTS; and SYSTEMS, SUBSYSTEMS, AND NEW APPLICATIONS. While you are at the conference, be sure to visit the Technical Exhibition. This is your chance to see the latest products and services used in the optical fiber field. The exhibit is also an excellent chance to meet and exchange information with representatives kom the leading companies in the field. IGWO’86 will also be held at the Atlanta Marriott Marquis. This topical meeting will deal with: DEVICES AND CIRCUITS THAT MAKE USE OF OPIKAL WAVEGUIDES; PHENOMENA IN THESE WAVEGUIDES;and MONOLITHIC OPI-OELECTRONIC STRUCTURES.
OFC/IGWO’SB is sponsored jointly by the Lasers and Electm-Optics Society of the Institute of Electrical and Electronics Engineers and the Optical Society of America. Information on the exhibit can be obtained from: Larry Lotridge, Exhibits Manager, Optical Society of America, 1816 Jefferson Place, NW, Washington, DC 20036. Telephone: 202 223-0920.
!72
OPTICS AND
LASER TECHNOLOGY.
OCTOBER
1985