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Lens markings, Source four lens tube configuration, Standard lenses enhanced definition lenses – ETC Source Four Lens Tube Configuration Update User Manual

Page 2: Align lens dots toward this end

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E T C Q u i c k G u i d e

Source Four Lens Tube Configuration

Source Four Lens Configuration

Page 2 of 2

Electronic Theatre Controls, Inc.

Lens Markings

All Source Four lenses now have color-coded dots for identification. Normal lenses have a

single dot of color. Enhanced Definition lenses have a combination of white dots and color

dots.

Lens color coding is illustrated below.

For maximum gel life with specific lens tubes refer to the tables below:

For lens tube assembly procedures, please refer to the Source Four Assembly Guide.

Standard Lenses

Enhanced

Definition Lenses

19°

26°

36°

50°

19° ED

26° ED

36° ED

50° ED

Rear lens - 1 white dot & 1 blue dot
Front lens - 1 white dot & 1 red dot

Rear lens - 1 white dot & 1 yellow dot
Front lens - 1 white dot & 2 red dots

Rear lens - 1 white dot & 2 blue dots
Front lens - 1 white dot & 1 orange dot

Rear lens - 1 white dot & 3 blue dots
Front lens - 1 white dot & 1 green dot

Lens - Red Dot

Lens - Black Dot

Lens - Yellow Dot

Rear lens - Blue dot
Front lens - Orange dot

Align lens dots toward this end

Lens

Tube

Soft Focus

Tube Back

Sharp
Focus

Soft Focus

Tube Forward

=Better gel life
=Worse gel life

=Better gel life
=Worse gel life

ED Lens

Tube

Soft Focus

Tube Back

Sharp
Focus

Soft Focus

Tube Forward

19º

26º
36º
50º

19º ED

26º ED
36º ED
50º ED