Follow the steps below to adjust the relay back focus.
Steps | Instructions | Explanatory Notes |
1Leave the Iris on the camera lens fully open and adjust the camera back focus until you have achieved the sharpest image.
2 | Check that the film lens is at the best focus | You will need a good quality monitor to | |
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| before you check the back focus a second | accurately judge the sharpness of the image. |
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| time. | By using a Putora 7A9 chart you will be able |
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| to see the moiré effect of the test circles |
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| visible through the relatively low definition of |
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| the viewfinder. | |
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N3 Lock the back focus and double check the
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