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avantiindietro Pentax 645N: specifications

 

Type: 6x4.5-format autofocus single-lens-reflex camera with multi-mode TTL auto-exposure control.
Film: 1) 120 roll film (16 exposures)
2) 220 roll film (33 exposures)
3) 70mm film (approx. 95 exposures). Film loaded onto interchangeable film holder.
Image Size: 56mm x 41.5mm.
Lens Mount: Pentax 645 AF mount (interchangeable with Pentax 645 A mount). Applicable lenses:
1) SMC Pentax 645-FA lenses;
2) SMC Pentax 645-A lenses (usable in manual-focus mode only).
Exposure Control: TTL open-aperture multi-pattern metering.
Metering Mode: 1) Dual six-segment metering;
2) Center-weighted metering;
3) Spot metering.
Metering Range: EV2 ~ EV21 (at ISO 100 with 75mm f/2.8 lens). Electronic timer with holding time of 10 sec.
Exposure Mode: 1) Programmed AE;
2) Shutter-Priority AE;
3) Aperture-Priority AE;
4) Metered Manual;
5) Bulb.
Exposure Compensation: ±3EV (1/3 EV steps).
Memory Lock: Activated with ML button. Exposure value memorized for approx. 10 sec.
Shutter: Electronically controlled vertical-run cloth focal-plane shutter.
Speed: 1) Auto: 1/1000 sec. - 30 sec. stepless;
2) Manual: 1/1000 sec. - 4 sec.;
3) X-sync: 1/60 sec.;
4) Bulb;
5) Leaf-shutter lens: 1/8 sec. Shutter locked with main switch off.
Viewfinder: Keplerian telescope viewfinder with interchangeable Natural-Bright-Matte focusing screen (AF Center Spot Matte screen as standard).
Field of View: 92% vertical, 93% horizontal.
Magnification: 0.76X (with 75mm lens at infinity with -1 diopter).
Diopter Adjustment Range: -3.5 ~ +1.0 diopters.
Viewfinder LCD Indication: 1) Focus indicator;
2) Shutter speed;
3) Aperture;
4) Flash status;
5) Bar graph;
6) Memory lock;
7) Exposure compensation factor;
8) Out-of-exposure coupling range warning;
9) Over- and underexposure indication in Metered Manual.
External LCD Indication: 1) ISO film speed;
2) Exposure count;
3) Film transport status;
4) Battery level;
5) Photographic data imprinting.
Film Handling: Automatic film advance with built-in motor.
Loading: Automatic 1st frame positioning via shutter release button.
Advance Mode: 1) Single-frame advance;
2) Consecutive advance (approx. 2 frames/sec.). Automatic advance to film end after last frame (mid-roll advance to film end possible via mid-roll advance button).
Autofocus: TTL phase-matching autofocus system with focus lock and
predictive autofocus.
Effective Illumination Range: EV-1 ~ EV18 (at ISO 100).
AF Frame: 1) 3-point AF;
2) Spot AF. PCV beep sound for in-focus indication (cancellation possible).
Flash Synchronization: 1) Hotshoe (X-sync contact and dedicated flash contact);
2) X-sync socket. X-sync speed: 1/60 sec. automatically set at recharge completion of dedicated flash unit (X-sync speeds slower than 1/60 sec. can be used in Shutter-Priority AE and Metered Manual).
Data Imprinting: 7-segment dot-matrix data imprinting system. Data imprinted out of image area.
Recordable Data: 1) Exposure frame number; lenses);
3) Shutter speed (Exposure time in Bulb);
4) Aperture;
5) Exposure compensation value;
6) Metering mode
7) Lens focal length (only with SMC Pentax-FA lenses; approximate value for zoom.
8) Data imprinting cancellation (blank mode) available.
Self-Timer: Electronically controlled self-timer with 12-second delay. Mid-operation cancellation possible.
Film Speed: ISO 6 ~ ISO 6400.
Power Source: 6 AA-size batteries (alkaline or lithium batteries).
Battery Life: Approximately 130 rolls of 120 roll film; approximately 100 rolls of 220 roll film (under in-house test conditions using alkaline batteries).
Multiple Exposure: Via multi-exposure switch.
Dimensions: 150(W) x 111(H) x 117(D)mm (5.9" x 4.4" x 4.6")
Weight: 1,280g (45.2 oz) without batteries.

For citation purposes
Gian Luca Agnoli, Chrysis.net PHOTOGRAPHY, URL: http://www.chrysis.net/photo.