Mamiya 645DF Specifications download pdf (Page 12)

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MADE IN JAPAN

Replacing the Diopter Correction Lens

If there is dirt or dust on the lens surface, remove it with a blower or sweep it off

gently with a lens brush.

If there are fingerprints or dirt on the lens surface, wipe away with a piece of clean,

soft gauze.

Using solvents could discolor the diopter correction lens frame.

2. Remove the existing diopter by sliding

downwards using the fingernail groove and

detach.

3. Insert a new diopter by aligning it to the base

of the diopter holder and sliding it upwards into

place then reattach the rubber eye piece.

Diopter Adjustment

Look through the viewfinder and make sure that the focus frame (Rectangle with

Circle) is in sharp focus. If it is not, turn the diopter adjustment dial in the “–” direction

if you are nearsighted, in the “+” direction if you are farsighted. If this is not sufficient

you may require an optional diopter correction lens. See below.

Point the camera at a bright, plain object such as a white wall when making this

adjustment.

Diopter matching.Diopter not matching.

Range of adjustment of diopter

correction lenses (Optional accessory)

Diopter correction lens Range of adjustment

DE401 (standard) -2.5 to +0.5

DE402 (for nearsighted users) -5.0 to -2.0

DE403 (for farsighted users) 0 to +3.0

1. Remove the rubber eye piece by sliding

upwards.

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Mamiya 645DF Specifications Page 12