pentaprism การใช้

• A simple top-viewfinder and a pentaprism finder were available.
• A later Photomic housing had an ON / OFF switch on the Pentaprism.
• Its viewfinder is a " fixed pentaprism ".
• The pentaprism was removable and could be replaced with an optional waist level finder.
• The waist-level finder was standard and the pentaprism was an optional extra.
• Adjustments by using the included knurled ring operate the potentiometer inside the TTL-Metered Pentaprism.
• The F6 is also Nikon's first F-series camera without an interchangeable viewfinder pentaprism.
• It was also the last SLR camera to carry Canon's 1960s-era logo on the pentaprism.
• The pentaprism finder is fixed like the similar FX and FP models but unlike some earlier Canon R reflexes.
• The " Nikkormat accessory shoe " must be screwed to the top of the pentaprism cover via the eyepiece first.
• And a correct image, in the case of the SLR which has a lens + mirror + roof pentaprism.
• Compared to the Nikon F, the Nikkormat FT had a fixed pentaprism viewfinder and did not accept a motor drive.
• If a pentaprism head with a built-in light meter was mounted on the F2, the camera became an F2 Photomic.
• Instead of the solid block of glass of the prism in pentaprism system, here 3 mirrors are used to perform the same task.
• These receive natural light through a translucent plastic window on the pentaprism housing and can be electrically lit at the press of a button.
• For an SLR, the Pentaprism of all classical Zenits was undersize, with the viewfinder showing about two-thirds of the actual frame-size.
• The Nikon F SLR of 1959 has many structural similarities to the SP from which it evolved with the addition of a reflex mirror and interchangeable pentaprism viewfinder.
• Almost all SLR cameras use a front surfaced mirror in the optical path to direct the light from the lens via a viewing screen and pentaprism to the eyepiece.
• New features included a 48mm 2.0 Nikkor lens, a new instant return mirror design, improved pentaprism viewfinder and a shutter priority auto-exposure mode.
• The sighting for the device was originally intended to be a cheap pentaprism device, which would allow the user to look down from above and see the sight picture.