Mamiya RZ67 Manuale utente

Macro M 140mm f/4.5 M/L-A Lens

English Instructions

Special Features

The Mamiya M 140mm f/4.5 M/L-A is a Gauss-type lens that incorporates a floating-lens system.

The floating system moves elements within the lens back and forth to adjust the appropriate focusing

distance.

In close-up photography, the system ensures high resolution, not only in the central area of the frame,

but also at the periphery.

Exacting detail, not only at infinity, but also during life-size photography, is ensured when using the

Mamiya Auto Extension Tubes.

Specifications

Shutter Seiko #1 electronic shutter

Optical Construction 6 elements in 4 groups

Angle of View 35˚

Lens Hood Screw-in type with 77mm diameter threads

Size 90 x 97mm

Weight 870g without caps

Names of Parts

Using the Lens without a Macro Extension Tube

1. Focus the lens. The Floating Ring may be set at any position.

2. Determine the bellows extension using the Bellows Extension Scale (mm) on the left side of the

camera, Fig. 1 (1).

3. Align the bellows extension on the Floating Scale’s White Scale with the red Index Mark. For

example, if the bellows extension is 25, you would align 25 with the red Index Mark, Fig. 2.

4. Refocus the lens.

When photographing subjects at a great distance, sufficiently sharp images may be obtained by

setting the Floating Ring to infinity (∞); however, if maximum sharpness is required, at the

periphery of the frame, follow Steps 1-4, above.

Anytime you adjust the Floating Ring, be sure to refocus the lens.

Using the Lens with the Auto Extension Ring No. 1

1. Focus the lens. The Floating Ring may be set at any position.

2. Determine the bellows extension using the Bellows Extension Scale (mm) on the left side of the

camera, Fig. 1 (1).

3. Align the bellows extension on the Floating Scale’s Green No. 1 Scale with the red Index Mark.

For example, if the bellows extension is 25, you would align 25 with the red Index Mark, Fig. 3.

4. Refocus the lens.

If the bellows extension is within the range of the Green No. 1 Scale, a sufficiently sharp image

may be obtained; however, if maximum sharpness is required at the periphery of the frame,

follow Steps 1-4, above.

Using the Lens with the Auto Extension Ring No. 2

1. Focus the lens. The Floating Ring may be set at any position.

2. Determine the bellows extension using the Bellows Extension Scale (mm) on the left side of the

camera, Fig. 1 (1).

3. Align the bellows extension on the Floating Scale’s White No. 2 Scale with the red Index Mark.

For example, if the bellows extension is 25, you would align 25 with the red Index Mark, Fig. 4.

4. Refocus the lens.

If the bellows extension is within the range of the White No. 2 Scale, a sufficiently sharp image

may be obtained; however, if maximum sharpness is required at the periphery of the frame,

follow Steps 1-4, above.

Using the Lens with the Auto Extension Rings No. 1 and No. 2

1. Focus the lens. The Floating Ring may be set at any position.

2. Determine the bellows extension using the Bellows Extension Scale (mm) on the left side of the

camera, Fig. 1 (1).

3. Align the bellows extension on the Floating Scale’s Red No. 1 + No.2 Scale with the red Index

Mark. For example, if the bellows extension is 25, you would align 25 with the red Index Mark,

Fig. 5.

4. Refocus the lens.

The maximum extension on the Red No.1 + No. 2 Scale is 15mm, at which life-size images can

be created. Extensions beyond 15mm will result in image-quality deterioration.

When creating live-size images, set 15mm on both the Red No. 1 + No. 2 Scale and the

Bellows Extension (mm) Scale, and then move the camera back and forth to achieve focus.

Depth-of-Field and Magnification

1. After focusing the lens, use the Distance Scale on the left side of the camera, Fig. 1, to determine

the film plane to subject distance.

2. Set this number opposite the DOF Distance Scale’s Index Mark. The depth-of-field and

magnification can be read from the DOF Distance Scale.

Magnification is expressed in ‘MAG’ numbers. A MAG number is the reciprocal of the

magnification. For example, a MAG number of 50 indicates that the subject is being

photographed at 1/50 its size, etc.

Depth-of-field can be observed by holding the lens’ Depth-of-Field Preview Lever on the lens, and

then observing the depth-of-field through the viewfinder. Moving the lever stops the lens down to

its working aperture; releasing the lever return the lens to full aperture.

Exposure Compensation

Exposure compensation is expressed in STEP values, which are listed below the MAG Numbers on

the DOF Distance Scale.

A STEP value of 0.5 indicates that the exposure compensation is ½ stop; either open the aperture

by ½ stop or decrease the shutter speed by ½ stop. A STEP value of 1 indicates that the

exposure compensation is one stop; either open the aperture by one stop or decrease the shutter

speed by one stop.

If you are using an AE Prism Finder, setting exposure compensation is unnecessary.

Time Exposures

1. Press and hold the Time Exposure Lever Release Button.

2. Move the T Lever all the way in the direction of the arrow, and then release the Time Exposure

Release Button. The T Lever will lock in its time-exposure position.

3. Press the Shutter Release Button, the shutter will open and remain open until you release the

Shutter Release Button.

4. To stop making time exposures, press and hold the Time Exposure Lever Release Button.

5. Slide the T Lever all the way in the opposite direction of the arrow, and then release the Time

Exposure Release Button.

CAUTION – Do not touch the camera’s Cocking Lever while making a time exposure. Doing so

may result in moving the film.

The camera’s Shutter Speed Button may be set to any value except RBL while making time

exposures; however, it is recommended to set the Shutter Speed Dial at 1/30 or higher.

During a time exposure, no power is consumed from the battery.

Close-up Photography Table

Subject distances are measured from the outermost edge of the lens to the subject.

Values on the left side of each column are used when a macro extension tube is used.

Values on the right side of each column are used when the bellows is fully extended to 46mm.

Depth-of-Field Table

Depth-of-Field Table (cont.)

Auto Extension Macro Tubes

Both the No. 1 tube, with an extension of 45mm, and the No. 2 tube, with an extension of

82mm, automatically couple with the lens.

The tubes can be used individually, or they may be combined for a total extension of 127mm.

A total extension of 173mm may be obtained by using both tubes together and the maximum

bellows extension of 46mm.

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