Installing the Projector (Cont.)

Projection Distances and Screen Sizes

Lenses that can be used are a 3 : 1 ~ 7 : 1 zoom lens and a 1.5 : 1 fixed-focus lens. With a zoom lens used, you have a wider latitude in selecting projection distance and installation space than with a fixed lens.

For how to install the lens, consult the dealer who installed and adjusted your projector or service center.

Relationship of screen size vs. projection distance

 

600

 

 

 

 

 

 

WIDE 3:1

 

 

 

 

 

 

 

 

 

 

 

 

500

 

 

 

 

 

 

 

 

 

Screen Size

400

 

 

 

 

 

 

 

 

 

 

Fixed-Focus Lens

 

 

 

 

 

 

 

(inch)

300

 

1.5 : 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TELE 7:1

 

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

Zoom Lens

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Projection

 

 

 

 

 

 

 

 

 

40

Distance (m)

 

0

5

10

15

20

25

30

35

45

In the shaded areas in the above graph, the projected image may be partially distorted or missed out depending on the distance between the projector and the screen. To project an image with no image distortion or missing, we recommend you to use the projector in the areas defined with solid lines in the graph.

Adjustable range of the lens

Lens

 

Screen Size (Type)

Projection Distance (m)

Remarks

 

 

 

 

 

 

 

GL-M4023SZ zoom lens

80

– 300

5.06

– 18.65

3:1 wide

(80

– 600)

(5.06

– 37.19)

 

 

 

 

 

 

 

 

 

 

 

 

60

– 200

8.65

– 28.56

7:1 tele

 

 

(60

– 300)

(8.65

– 42.79)

 

 

 

 

 

 

 

 

 

GL-M4015S fixed-focus lens

69

– 208

2.09 – 6.50

––––––––

(65

– 250)

(1.97 – 7.83)

 

 

 

 

 

 

 

 

The numbers in (

) represent the minimum to maximum adjustable range.

 

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JVC DLA-M4000LU manual Projection Distances and Screen Sizes, Relationship of screen size vs. projection distance