Δευτέρα, 15 Μαρτίου 2010
NIKON F 501
Lens Mount Nikon F mount
Lens More than 70 Nikkor and Series E lenses available.
Focus Modes Dual autofocus modes (Single servo and Continuous servo) focus assist and manual focusing.
Autofocus Detection System TTL phase detection system using 96 CCD's.
Autofocus Detection Range Approx. EV 4 to EV 17 using lenses f:2.8 or faster; EV 5 to EV 18 using lenses f:4.5 or faster but slower than f:2.8.
Autofocus Lock Single Servo AF - Possible once focus LED is lit and shutter release remains slightly depressed; Continuous Servo AF - focus detection continues as long as shutter release remains partially depressed.
Focus Assist Available in manual focus mode with an AF Nikkor, Nikkor or Series E lens with a maximum aperture of f:4.5 or faster
Exposure Metering Light intensity feedback measurement (for P DUAL, P HI and A), TTL full aperture centerweighted measurement (for manual exposure) employs one silicone photo diode (SPD).
Exposure Meter Switch Activated by setting film advance mode selector at S or C and lightly pressing shutter release button, remains on for approx. 8 sec. after releasing shutter release button.
Metering Range (at ISO 100 with f/1.4 lens) EV 1 to EV19
Exposure Modes Three Program (dual, normal and high speed) auto exposure modes, Auto, Aperture-Priority Auto and Manual
Programmed Auto Exposure Control Choose from 3 modes. Camera sets both shutter speed and lens aperture automatically.
Aperture-Priority Auto Exposure Control Shutter speed automatically selected to match manually set aperture
Manual Exposure Control Both aperture and shutter speed are set manually
Shutter Electromagnetically controlled vertical-travel focal-plane shutter
Shutter Release Electromagnetic.
Shutter Speeds Stepless from 1/2000 to 1 sec. in P DUAL, P, P HI and A auto exposure modes. Lithium niobate oscillator-controlled speeds from 1/2000 to 1 sec on manual; electromagnetically controlled Bulb setting is provided
Viewfinder Fixed eyelevel pentaprism high-eyepoint type; 0.85X magnification with 50mm lens set at infinity; approx. 92% frame coverage
Eyepiece cover Model DK-5 prevents stray light from entering eyepiece
Focusing Screen Nikon type B clear matte with central focus brackets, 12 mm circle denotes center weighted metering area; changeable with type E or J focusing screens.
Viewfinder Information Focus indicator LEDs include focus not possible warning, in-focus indication, focus-to-right and focus-to-left arrows; exposure indicator LEDs include shutter speed LEDs, over and under-exposure warning LED's; ready light comes on when Nikon dedicated flash is used.
P DUAL, P and P HI modes LED shows shutter speed selected by camera; top warning light blinks for overexposure, bottom warning LED indicates underexposure, top and bottom LEDs blink to indicate proper exposure.
A mode LED shows shutter speed automatically selected by camera, top or bottom warning LEDs blink to inducate over or under - exposure.
Manual mode Non-blinking LED shows shutter speed set on dial, blinking LED shows shutter speed for correct exposure; 2 blinking LEDs show intermediate shutter speed; no LED in B.
Auto Exposure Lock Operates in P DUAL, P, P HI, and A modes, holding button in locks exposure.
Exposure Compensation +/- 2 EV compensation (in 1/3 increments) possible with compensation dial; when film speed ring is set at DX with ISO 5000 DX coded film, exposure compensation is possible from - 1 1/3 to +2; with film speed ring set to ISO 1600, -1 to +2 is possible; at ISO 3200 only + compensation is possible; at ISO 25, -2 to +1 is possible; at ISO 12, only - compensation is possible.
Film Speed Range ISO 25 to 5000 for DX-coded film; ISO 12 to 3200 can be manually set for non-DX coded film.
Film Speed Setting At DX position, automatically set to ISO speed of DX-coded film used; manual setting possible
Film Loading Film automatically advances to first frame when shutter release button is depressed once
Film Advance In single-frame mode, film automatically advances one frame when shutter is released; in continuous shooting mode, shots are taken as long as shutter release button is depressed; shooting speed is approx. 1.7 fps to approx. 2.5 fps depending on focus mode in use.
Remote Film Rewind Use optional MC-12A.
Audible Warning Alarm With switch on, beeps; (1) when non-DX coded film is used with film speed dial set at DX;(2) when DX contacts require cleaning; (3) for under and over-exposure and possible picture blur in auto exposure modes; (4) at end of film roll; (5) during self timer operation.
Red indicator Lamp Blinks; (1) when non-DX coded film is used with film speed dial set at DX;(2) when DX contacts require cleaning; (3) for under and over-exposure and possible picture blur in auto exposure modes; (4) when shutter is released.
Frame Counter Additive type; counts back while film is being rewound
Self-timer Electronically controlled 10 sec. delay; blinking LED and beep sound indicates self-timer operation; cancellable
Reflex Mirror Automatic, instant-return type
Camera Back Hinged back with film cartridge confirmation and film advance indicator; changeable with Data Back MF-19.
Accessory Shoe Standard ISO-type hot-shoe contact; ready-light contact, TTL flash contact, monitor contact
Flash Synchronization Up to 1/125 sec. with electronic flash; with Nikon dedicated flash unit; automatically set to 1/125 when camera is set to P DUAL, P, P HI, A or in manual at speeds 1/125 or higher; at slower speeds in manual fires at speed set.
Flash Ready Light Lights up when Nikon dedicated flash is ready
Autofocus Flash Photography Possible only with Nikon SB-20.
Power Source Four 1.5V AAA batteries; with Nikon AA battery holder MB-3, four 1.5V AA batteries can be used.
Dimensions (W x H x D) Approx. 5.8 x 3.8 x 2.1 in.
Weight (without batteries) Approx. 21.3 oz.