M2 Cinema Lens Adapter Spécifications télécharger pdf (Page 16)

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Calibration and Maintenance

Collimating

When you collimate the M2e, you adjust the

Flange Focal Length – the distance between

the cinescreen and the rear element of your

35mm lens. All M2 Encore units are col-

limated at the factory, though there are some

situations where you would want to collimate

the unit:

1) When changing lens mounts-all lens types

have a dierent FFL.

2) When your lens markings do not match up

to actual focus distances or you are unable to

reach innity focus.

Collimating the M2Encore

To collimate the Encore you’ll need a focus

chart. We include a focus chart in every M2

Encore manual in the back, so if you do not al-

ready own one, feel free to use the one included

in this manual.

1) Attach the chart to a stand or wall and make

sure it is evenly lit.

2) Place the camera on a tripod and make sure

the lm plane line of the adapter is exactly 3

feet away from the focus chart. Properly set

your backfocus and turn on your M2e system.

3) Loosen the three set screws on the collimat-

ing ange closest to the M2e.

4) Use the widest lens you have available, as

wider lenses are more sensitive to ange focal

length. Open the aperture of the SLR lens all

the way and set the focus ring on your 35mm

lens to 3 feet.

5) Twist the collimating ring until the focus

chart is as sharp as possible.

6) Tighten the 3 set screws on the ange as in

Step 3.

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