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Mamiya C330 Photo Page

Lens change baffle in down position. The rear of the lens element is visible as the bellows are retracted. Note the textured surface. The red dot for aligning the film on loading is visible on the lower right guide rail. (C330 pictured)

C330 interior with lens change baffle lowered

Film baffle raised for lens exchange. (C330 pictured)

C330 interior with lens change baffle raised

Pressure plate / film counter linkage. This linkage moves according to the position of the pressure plate (120 or 220 film), and presses the matching body lever when set to 220.

C330 120/220 counter linkage to pressure plate

C330 showing the body linkage that controls the 120/220 film counter. This is the chrome lever to the right of the twin back catch hooks at the top of the frame.

C330 counter linkage on body." width="300

C330 showing the inside of the mirror box with the screen removed. The reflection of the rear of the viewing lens is at the centre. The red ‘L’ shape at the lower left is the reflection of the lens baffle (unlock) flag. The chrome ‘L’ is the reflection of the parallax indicator. Both of these are actually near the top left of the picture.

C330 inside of mirror box." width="300

C330 underside of No.1 screen. The framework holding the matt focus screen in place can be seen, along with the dark line of foam.

C330 underside of No.1 screen

Base of the C330 showing the standard 1/4” tripod socket insert in the 3/8” socket. Also visible are the two locating lug recesses used to locate accessories on all Mamiya medium format cameras.

C330 base of camera

Distance scale on the C330 using the original 105mm scale. Note that the shutter moves left towards infinity while the scale does not move. The 105mm lens has been set on the multi-function control at the top of the picture. The outer ring moves the red index mark. This setting controls the automatic parallax compensation and exposure correction marker in the viewfinder.

C330 distance scale, 105mm set

The focus scale for a short focal length with the lens racked out beyond infinity so the shutter is fully retracted. Since the shutter is sprung closed, a failure with this part causes the scale to disappear. Long lenses use the front of the body to index the scale, so they are never obscured.

C330 distance scale, set beyond infinity

The shutter release arm of the camera body should nearly contact the shutter release lever on the lens. C330 and 105mm DS pictured.

C330 body to lens shutter linkage.

The cocking cycle on the C33 and C330 models involves the arm on the body moving in an arc from about the 2:30 position to the 4:30 position as you face the camera right way up. This is why some early lenses will not mount (the lens arm is not in a matching position) and why incorrectly positioned taking lenses will not cock. There is a little tolerance at each end of the body arm travel, but not much.

C330 body shutter cocking arm.

Lens mounted with the shutter uncocked. The shutter cocking arm usually rests against the body arm and may need a little pull to get the two to seat. Some people prefer to mount lenses cocked because of this.

C330 shutter arm in the uncocked position.

When the shutter is cocked, and the film advance crank returned to the rest position, the body arm returns to the top of the arc, and the cocked shutter has the lens cocking arm at the bottom of the arc.

C330 shutter arm in the cocked position.