Τετάρτη, 24 Ιουνίου 2009

TOPCON IC1 AUTO

Standard Lens : 50mm f/2 Hl Topcor 6 element lens. 47° field of view; f/2 to f/22; minimumfocus60cm(2ft.); 49 mm screw in filter mount. t Shutter : Electronically-controlled cloth focal plane shutter, with shutter speed ring on lens mount. Ten shutter speed settings 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60,1/125,1/250 and 1/500 second, plus Bulb. Internally coupled to the built-in exposure setting system. Shutter release button has female screw for attachment of cable release. Finder : Fixed eye-level Pentaprism finder, with 0.8x image (standard lens) and 33.5 mm x22.3 mm finder screen (93% of the width and length of the actual picture area). Microprism focusing spot surrounded by fine focus ring and full area groundglass, with fresnel lens plate. Aperture scale is visible on left edge of finder area, with warning areas at both ends of the scale. Lens Mount : Topcon exclusive bayonet mount, compatible with lenses available for the TOPCON UNI, Unirex and Unirex EE cameras. Exposure Meter : Thru-The-Lens center weighted full aperture measuring system, with two compound CdS cells on both sides of the finder eyepiece measuring the reflected light for a center weighted average reading of the full finder area. Exposure range is EV 5 to EV 18, with ASA 100 film and 50 mm f/2 lens. Automatic Exposure : Shutter-priority exposure automation on AUTO setting, with shutter speeds 1/8 to 1/500 sec., apertures f/2 to f/22 (with ASA 100 film) and film speeds ASA 25 to 3200 (DIN 15 to 36). Complete freedom in aperture/shutter speed settings with manual override, by simply taking the lens off the AUTO setting. Mirror Action : Quick-return mirror action. Flash Synchronization: Single flash socket for flash bulbs and electronic flash units. Electronic flash units synch at shutter speeds red-colored 1/60 sec. and slower; Class M bulbs at 1!15 sec. and slower. Film Winding Action : 120° single stroke advances film, as well as exposure counter, and also charges shutter and the mirror raising and lens diaphragm action. Exposure Counter : Exposure counter automatically returns to start-mark (S) upon opening camera back and shows the number of exposures made. The 20th and 36th frames are indicated with red-colored numerals. Lens Speed Compensation: Lens speed compensator dial is rotated for matching the exposure system to the maximum aperture of the lens attached to the camera. 4www.butkus.org · Wheel can be set to six f/numbers or 2, 2.8, (3.5), 4, (4.7) and 5.6. Film Speed Indication: Twenty-two ASA and DIN film speeds are available on the lens barrel, with film speed ring adjusted to set index opposite the required film speed.ASA speeds are 25, (32), (40), 50, (64), (80), 100, (125), (160), 200, (250), (320), 400, (500), (650), 800, (1000), (1250), 1600, (2000), (2500) and 3200.DIN speeds are 15, (16), (17), 18, (1g), (20), 21, (22), (23), 24, (25), (26), 27, (28), (29), 30, (31), (32), 33, (34), (35) and 36.Numbers in brackets ( ) are represented by dots.

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