Pentax 645N

Pentax 645N Medium-Format SLR Camera Instruction Manual

Model: 645N | Brand: Pentax

Introducció

This manual provides essential instructions for the proper use and care of your Pentax 645N Medium-Format SLR Camera. Designed for professional photographers, the Pentax 645N supports both 120 and 220 film rolls, producing large 6x4.5 centimeter negatives. These negatives are ideal for creating high-quality enlargements while maintaining clarity, resolution, and detail.

Please read this manual thoroughly before operating the camera to ensure optimal performance and longevity.

Camera Components and Controls

Familiarize yourself with the various parts of your Pentax 645N camera.

Pentax 645N camera front view amb muntura d'objectiu

Figura 1: Frontal View. This image displays the front of the Pentax 645N camera body, highlighting the lens mount where interchangeable lenses are attached. The camera's robust construction and textured grip are visible.

Pentax 645N camera top view amb controls

Figura 2: superior View. A top-down perspective of the Pentax 645N, showing the main control dials for shutter speed and other settings, along with the LCD display and viewocular cercador.

Components clau:

  • Muntatge de la lent: Accepts Pentax 645 AF lenses.
  • Viewcercador: For composing and focusing images.
  • Botó de disparador: Activa l'obturador.
  • Dials de control: Adjust shutter speed, aperture (with compatible lenses), and other settings.
  • Panell LCD: Displays camera settings, film count, and battery status.
  • Film Back: Detachable unit for loading 120 or 220 film.

Configuració

1. Instal·lació de la bateria

The Pentax 645N requires six AA batteries. Open the battery compartment, typically located on the grip, and insert the batteries according to the polarity indicators. Ensure the compartment cover is securely closed.

2. Col·locació d'una lent

  1. Traieu la tapa del cos de la càmera i la tapa posterior de l'objectiu.
  2. Alineeu el punt vermell del cilindre de l'objectiu amb el punt vermell de la muntura de l'objectiu de la càmera.
  3. Introduïu l'objectiu a la muntura i gireu-lo en sentit horari fins que faci clic i quedi ben fixat al seu lloc.
Pentax 645N camera with lens cap

Figure 3: Lens Mount. This image shows the front of the camera with a lens cap, illustrating the lens mount area where lenses are attached.

3. Loading Film (120/220)

  1. Detach the film back from the camera body. This is typically done by sliding a release lever.
  2. Open the film back cover.
  3. Insert a roll of 120 or 220 film into the supply chamber, ensuring the film leader is properly threaded onto the take-up spool.
  4. Advance the film until the start mark aligns with the indicator in the film back.
  5. Close the film back cover and reattach the film back to the camera body.
  6. The camera will automatically advance the film to the first frame.
Pentax 645N camera with film back detached

Figure 4: Film Back Detached. The image shows the Pentax 645N camera body with the film back removed, revealing the internal mechanism for film loading.

Pentax 645N camera back view with film type selector

Figure 5: Film Type Selector. A view of the camera's rear, showing the film back attached and the selector for 120 or 220 film, indicating the current film type.

Funcionament de la càmera

1. Encendre/apagar

Locate the power switch, typically near the shutter release button, and slide it to the "ON" position to power on the camera. Slide it to "OFF" when not in use to conserve battery life.

Pentax 645N camera top controls close-up

Figure 6: Top Controls. A detailed close-up of the camera's top panel, showing the shutter speed dial, LCD display, and power switch, along with other function buttons.

2. Enfocament

  • Enfocament automàtic (AF): With an AF lens attached, half-press the shutter release button to activate autofocus. The camera will focus on the subject within the active AF area.
  • Enfocament manual (MF): Switch the lens or camera to MF mode. Rotate the focusing ring on the lens until the subject appears sharp in the viewcercador.

3. Exposure Settings

The Pentax 645N offers various exposure modes. Consult the LCD panel and control dials to set your desired shutter speed, aperture (if applicable), and ISO (film speed). The camera features a built-in light meter to assist with exposure calculations.

  • Marcatge ràpid de l'obturador: Adjusts the duration the shutter remains open.
  • Control de l'obertura: Typically controlled via a ring on the lens or a dial on the camera, affecting depth of field and light intake.
  • ISO Setting: Manually set the ISO to match the film loaded in the camera.

4. Fer una foto

  1. Composa la teva presa a través del viewcercador.
  2. Achieve focus using AF or MF.
  3. Set your desired exposure.
  4. Press the shutter release button fully to take the picture. The camera will automatically advance the film to the next frame.

Manteniment

Proper maintenance ensures the longevity and optimal performance of your Pentax 645N camera.

  • Neteja del cos de la càmera: Feu servir un drap suau i sec per netejar el cos de la càmera. Per a la brutícia persistent, netegeu lleugeramentamp es pot fer servir un drap, seguit d'un de sec. Eviteu productes químics agressius.
  • Neteja de la lent: Use a lens brush or blower to remove dust. For smudges, use a specialized lens cleaning solution and a microfiber cloth. Never touch the lens surface with your fingers.
  • Neteja del Viewcercador: Use a soft brush or air blower to remove dust. Avoid touching the viewfinder optics directly.
  • Compartiment de pel·lícules: Keep the film compartment clean and free of dust or debris, especially when changing film.
  • Emmagatzematge: When not in use, store the camera in a cool, dry place, away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods to prevent leakage.

Resolució de problemes

If you encounter issues with your Pentax 645N, refer to the following common troubleshooting steps:

  • La càmera no s'encén:
    • Check if the batteries are correctly installed and fully charged. Replace with fresh batteries if necessary.
    • Assegureu-vos que l'interruptor d'alimentació estigui a la posició "ON".
  • Shutter Does Not Fire:
    • Verify that the film is correctly loaded and advanced to the first frame.
    • Check battery level; low batteries can prevent shutter operation.
    • Ensure no error messages are displayed on the LCD panel.
  • L'enfocament automàtic no funciona:
    • Confirm the lens is securely attached and the camera/lens is set to AF mode.
    • Ensure there is sufficient light and contrast for the autofocus system to operate.
    • Clean the lens contacts on both the camera body and the lens.
  • Film Advance Issues:
    • Check for proper film loading and ensure the film leader is correctly attached to the take-up spool.
    • Verify that the film type (120/220) selector is set correctly.

If problems persist after attempting these steps, contact Pentax customer support or a qualified camera technician.

Especificacions

CaracterísticaDetall
MarcaPentax
Nom del model645 N
Tipus de format de pel·lículaMedium Format (120/220)
Dispositius compatiblesCàmera
Tipus de persianaLeaf Shutter
FocusAuto & Manual Focus
Muntatge de la lentAF lens mount
Pes de l'article2.64 lliures (1.2 kg)
Dimensions del paquet7.95 x 6.61 x 6.14 polzades
Data de primera disponibilitat22 de setembre de 2002
UPC027075042506

Garantia i Suport

For warranty information, service, or technical support regarding your Pentax 645N camera, please refer to the official Pentax weblloc o poseu-vos en contacte amb el seu departament d'atenció al client.

You can find more information about Pentax products and support services by visiting the official Pentax Store on Amazon.

Si us plau, conserveu el comprovant de compra per a qualsevol reclamació de garantia.

© 2023 Pentax. All rights reserved. This manual is for informational purposes only.

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