Was harold Hopkins married?
Harold Hopkins married twice. His second marriage was to Sue Collie, an actress he met in Melbourne in 1977, while starring in the original stage production of David Williamson’s The Club at the MTC.
What did Harold Hopkins invent?
Hopkins patented his lens system in 1959. Seeing promise in this system, Karl Storz GmbH bought the patent and in 1967 began to produce endoscopic instruments with a tremendously brilliant image and superb illumination.
How does a rod lens work?
Shanghai Optics custom rod lenses are polished on the circumference and ground on both ends. They act as a cylinder lens, focusing collimated light into a line. Our fused silica rod lens offers high transmission in the UV and through the NIR as well as a low coefficient of thermal expansion, 0.55 × 10-6 /K.
What is rod lens system?
Custom Shapes. Laser Optics. Fresnel Lenses. A Rod lens is a special type of cylinder lens, and is highly polished on the circumference and ground on both ends. Rod lenses perform in a manner analogous to a standard cylinder lens, and can be used in beam shaping and to focus collimated light into a line.
What is back focal length?
Back Focal Length – A mechanical measurement given as the distance between the last surface of an optical lens to its image plane. Principle Plane – A hypothetical plane where incident light rays can be considered to bend due to refraction. EFL is specified from a principal plane location.
What is a Hopkins scope?
Description of Device. The KARL STORZ HOPKINS® and HOPKINS® II telescopes are reusable rod lens endo- scopes consisting of an eyepiece lens, a light post connection for fiber optic light cables with screw-on adapters which will accommodate light cables from other manufacturers.
What is the normal focal length of human eye?
approximately 17mm
The eye has a nominal focal length of approximately 17mm, but it varies with accommodation. The nature of human binocular vision, which uses two lenses instead of a single one, and post-processing by the cortex is very different to the process of making and rendering a photograph, video or film.
How is focal length determined?
The focal length of a lens is determined when the lens is focused at infinity. The longer the focal length, the narrower the angle of view and the higher the magnification. The shorter the focal length, the wider the angle of view and the lower the magnification.
What is Nasopharyngoscopy procedure?
A nasopharyngoscopy is a procedure in which the doctor inserts a flexible scope tube through your nose and advances it into the back of your throat.
How old was Harold Hopkins when he died?
Harold Douglas Hopkins (6 March 1944 – 11 December 2011) was an Australian film and television actor. Hopkins was born in 1944 in Toowoomba, Queensland. He attended Toowoomba Grammar School as a day boy in 1958 and 1959. During the 1960s, he worked as an apprentice carpenter, and was exposed to asbestos fibres without protective masks or clothing.
What kind of movies did Harold Hopkins appear in?
Hopkins appeared in 16 films over the course of his career, including classic Australian films such as Don’s Party, The Picture Show Man and Gallipoli. He was nominated for an Australian Film Institute Award in 1981 for his supporting role in The Club.
Who is Harold Hopkins twin brother married to?
He and his twin brother John enrolled at the National Institute of Dramatic Art (NIDA) in Sydney, with Harold graduating in 1967. Harold Hopkins married twice. His second marriage was to Sue Collie, an actress he met in Melbourne in 1977, while starring in the original stage production of David Williamson ‘s The Club at the MTC.
What was Harold Hopkins role in the club?
He was nominated for an Australian Film Institute Award in 1981 for his supporting role in The Club. Hopkins also appeared in more than 160 episodes of Australian television series such as Barrier Reef, Homicide, The Godfathers, Twenty Good Years, Sara Dane, A Nice Little Earner and Underbelly: A Tale of Two Cities.