PhaseOne Studiokit Manuel utilisateur

Digital Camera Back for

4" x 5" Large Format

Cameras

User’s Guide

DIGITAL STUDIO CAMERA SYSTEM

Edition 3.0

85350002

Table of Contents

For Your Safety..................................................................................................................2

Section 1: Introduction......................................................................................................3

Section 1.1: How it Works...........................................................................................3

Section 2: Back Panel Description.....................................................................................5

Section 3: Mounting and Unmounting the Camera Back..................................................7

Section 3.1: Mounting the Camera Back ......................................................................7

Section 3.2: Unmounting the Camera Back..................................................................7

Section 4: Care and Cleaning............................................................................................8

Section 4.1: Storage and Handling................................................................................8

Section 4.2: Cleaning the Camera Back Case................................................................8

Section 4.3: Cleaning the CCD Sensor.........................................................................9

Section 5: Camera Back Specifications.............................................................................10

Studiokit Digital Camera Back for Large Format Cameras – User's Guide

For Your Safety:

Read this manual carefully before turning on your system.

•If any component of your system becomes wet or damaged, remove

power by unplugging the power unit from the wall socket.

•Keep these instructions handy for reference by you or others.

•If you receive a shock while using this equipment, remove power and con-

tact a licensed electrician immediately.

•Follow all instructions and warnings dealing with your system.

•Never try to open any of your Studiokit units; electrical shock may result. If

your units require service, contact your licensed Studiokit dealer.

Warning: Electrical equipment may be hazardous if misused. Always super-

vise children when electrical equipment is present.

Section 1 Introducing: The Studiokit Digital Camera Back

for 4"x 5" Large Format Cameras

The Studiokit digital camera back for large format cameras will enable

you to use your usual 4" x 5" large format cameras and lenses to take

digital photographs in color. The camera back fits into a standard spring-

back film loading mechanism, just like a normal camera back.

Section 1.1 How it Works

The camera back contains a light sensitive element called a CCD (charge

coupled device). This device contains many tiny light sensitive areas,

each of which maps to one pixel in the final photograph. A pixel is one

picture element or picture cell, and is analogous to the grain size of film

stock.

The camera back uses a sensor with three linear CCDs; there is one line

for each additive primary color: red, green, and blue (RGB). Each line,

or array, is one pixel high and 2500 pixels wide. In the final image, the

three RGB lines are digitally mixed to produce a single line of pixels in

full color.

Before exposure, called capturing in digital techniques, the image is

focussed onto the plane in which the CCD array will travel. At the start

of the capture process the array is positioned at the top of the area to be

scanned. During capture, the RGB lines are read, the CCD sensor is

moved a distance equal to the height of one pixel, and then the next lines

are read. This is repeated until the entire image area has been covered.

This process is called scanning.

The camera back contains the basic sensory electronics for image cap-

ture (the CCD and analog to digital converter). The Phase One soft-

ware, running on your computer, makes it possible for you to calibrate

and control the camera back, view your images, and make image pro-

cessing settings to perfect your images. Final images are converted into

Studiokit Digital Camera Back for Large Format Cameras – User's Guide

Fig.1 Back Panel of the Studiokit

CCD Sensor

Scan Area

SCSI

Connector

Scan

Direction

Protection

Legs

Dust Cover

Handle

(in open

position)

the TIFF file format, which is readable by nearly every other image pro-

cessing and desk top publishing program.

Section 2 Back Panel Description

Referring to Fig.1, the following back panel features can be seen:

• CCD Sensor: This is a linear light sensitive surface. It scans across the

entire exposure area to capture the full image.

• Scan Direction: The arrow shows the direction of the CCD sensor's

movement during camera back operation. This information is useful

when troubleshooting your system.

• SCSI Connector: The camera back communicates with your PC

through a SCSI cable connected here.

• Scan Area: The rectangular area on the back panel is the scan area.

The CCD sensor moves across this area during scanning.

• Protection Legs: The protection legs help to protect the scan area

when the camera back is placed on a horizontal surface.

• Dust Cover: This aluminum cover slides over the scan area. The cover

must be slid all the way up to fully expose the scan area before use (as

shown). Always store your camera back with the dust cover fully

closed to protect the CCD and other internal components.

Studiokit Digital Camera Back for Large Format Cameras – User's Guide

Fig.2 Studiokit camera back mounted on a Sinar camera

Section 3 Mounting and Unmounting the Camera Back

The camera back fits to your camera just like a normal film cassette. Use

the following procedures to mount and unmount the camera back:

Section 3.1 Mounting the Camera Back

1. Set your film mounting assembly in the portrait (for pictures that are

taller than they are wide) or landscape (for pictures that are wider

than they are tall) position.

2. Pull back the focusing screen release lever on your camera to make

room to slide the camera back into place in front of the screen.

3. Gently slide the camera back into place until it will slide no further.

4. Return your camera's focusing screen release lever to the closed posi-

tion to hold the camera back in place.

5. Slide the camera back's dust cover all the way up to fully expose the

scan area.

6. Be sure to install a Phase One infrared filter on your camera before

using the camera back.

Section 3.2 Unmounting the Camera Back

1. Slide the dust cover all the way down to protect the scan area.

2. Securely grasp the camera back by its rubber grip

3. Pull back the focusing screen release lever on your camera to make

room to slide the camera back away from your camera.

4. Pull the camera back up and away from the camera.

Studiokit Digital Camera Back for Large Format Cameras – User's Guide

Section 4 Care and Cleaning

Your Studiokit camera back is a sensitive and high precision instrument.

To keep it working properly, treat it carefully as you would any of your

other high quality photography equipment, and take special note of the

advice given here.

Section 4.1 Storage and Handling

• Keep the camera back away from sources of moisture. Do not let liq-

uid get in or on the unit.

• Do not touch the CCD sensor or any of the other internal elements.

• Always store your camera back with the dust cover slid all the way

down over the scan area, so that the CCD sensor and other internal

components are protected from dirt and damage.

• Avoid extreme temperatures.

• Protect the camera back from falls and collisions.

Section 4.2 Cleaning the camera back case

1. Disconnect the unit from power.

2. Be sure the dust cover is closed to protect the CCD and other

exposed components visible in the scan area.

3. Lightly wipe the case with a clean, soft cloth dampened with water.

Do not allow moisture to get in any of the openings on the back

panel or in the connectors.

Section 4.3 Cleaning the CCD Sensor

You must never touch the CCD sensor with your fingers, nor allow the

surface to become dirty, scratched, or damaged in any way.

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