Ricoh Pentax 645D Reference Guide

Ricoh Pentax 645D manual cover
Pages 52
Year 2011
Language(s)
English en

Ricoh Pentax 645D Specification

The Ricoh Pentax 645D is a professional-grade medium format digital SLR camera designed for photographers seeking exceptional image quality and robust performance. At its core, the camera features a 40-megapixel CCD sensor measuring 44x33mm, which delivers stunning high-resolution images with rich detail and accurate color reproduction. This sensor size is significantly larger than those found in standard DSLRs, allowing for greater depth of field control and superior dynamic range.

The 645D is equipped with a PRIME II image processing engine, ensuring fast and efficient handling of large image files, and supports an ISO sensitivity range from 100 to 1600, which can be expanded to 100-1000 in its extended mode. Its reliable SAFOX IX+ autofocus system with 11 focus points, including a central cross-type sensor, provides precise focusing, even in challenging lighting conditions.

Designed with durability and usability in mind, the camera body is constructed from magnesium alloy and features 70 weather-seals, making it both dustproof and weather-resistant. This robustness is complemented by a pentaprism viewfinder offering approximately 98% frame coverage, providing a clear and bright view for composition. The rear of the camera hosts a 3-inch LCD screen with 921,000 dots, allowing for sharp playback and intuitive menu navigation.

For storage, the 645D supports dual SD/SDHC card slots, enhancing flexibility and security in data management. It also offers various shooting modes, including a continuous shooting speed of up to 1.1 frames per second. The camera supports both DNG and PEF RAW file formats, ensuring compatibility with a wide range of post-processing software. Overall, the Ricoh Pentax 645D stands out as a versatile and reliable tool for professional photographers who demand high performance and exceptional image quality.

Ricoh Pentax 645D F.A.Q.

How can I update the firmware of my Ricoh Pentax 645D?

To update the firmware, visit the Ricoh website to download the latest firmware version for the Pentax 645D. Transfer the downloaded firmware file to an SD card. Insert the card into the camera, turn on the camera while holding the MENU button, and follow the on-screen instructions to complete the update.

What should I do if my Pentax 645D is not turning on?

First, check if the battery is charged and properly inserted. If the camera still does not turn on, try a different battery. Ensure the battery contacts are clean. If the issue persists, consider resetting the camera or contacting Ricoh support for further assistance.

How do I clean the sensor on my Pentax 645D?

To clean the sensor, use a blower to remove loose dust. For more stubborn dust, use a sensor cleaning swab and cleaning solution specifically designed for cameras. Always follow the instructions provided with the cleaning kit and handle the sensor with care.

What is the best way to maintain the lens of my Pentax 645D?

Regularly clean the lens with a microfiber cloth and lens cleaning solution. Store the lens in a dry, dust-free environment when not in use. Use lens caps to protect the front and rear elements. Consider using a UV filter to protect the lens from scratches.

How can I improve battery life on my Pentax 645D?

Decrease screen brightness, turn off the camera when not in use, and minimize the use of power-intensive features like image stabilization and live view. Carry spare batteries for extended shooting sessions.

What should I do if the images are not saving on my Pentax 645D?

Ensure that the SD card is properly inserted and formatted. Check if the card is not full or write-protected. Try using a different SD card to rule out card issues. If the problem continues, there may be a fault with the camera's internal storage system.

How do I reset the Pentax 645D to factory settings?

To reset the camera to factory settings, navigate to the menu, select the 'Set-up' tab, and choose 'Reset'. Confirm your choice when prompted. This will reset all settings to their default values.

Why is my Pentax 645D overheating and how can I prevent it?

Overheating can occur due to extended use or high ambient temperatures. Allow the camera to cool down between uses and avoid direct sunlight. Make sure the camera's ventilation is not obstructed. If the issue persists, consult Ricoh support.

Can I use third-party lenses with the Pentax 645D?

Yes, third-party lenses compatible with the Pentax 645 mount can be used. Ensure that the lens is fully compatible and, if necessary, update the camera firmware to support the lens.

How do I configure the autofocus settings on my Pentax 645D?

Access the autofocus settings through the camera's menu. You can choose between different focus modes such as AF-S (Single), AF-C (Continuous), and MF (Manual Focus). Adjust focus point selection according to your shooting needs.