Section 11: Standard and Optional Machine
Features
152
Focus Length 1.5 inch 2.0 inch 2.5 inch 4.0 Inch
Spot Size
.003” (high
resolution)
.005” (standard
resolution)
.007” (low
resolution)
.010”
Depth of Field
small
+ / - .075”
medium
+ / - .100”
larger
+ / - .125”
large
+ / - .187”
Best
Application
600 to 1200 DPI -
very fine detailed
engraving.
300 to 600 DPI -
general
engraving and
cutting
300 DPI or less –
general
engraving, acrylic
cutting.
300 DPI or less in
deep cavities –
acrylic cutting.
Note: There is a little bit of overlap in the uses of the different lenses. The 2.0 inch
lens is a very good general purpose lens and is well suited for most applications.
The optional lenses are more suited to specific applications where the work being
done is of a more specialized nature.
In addition to the three standard lenses pictured above (available for the EX models
only), Epilog also offers a 4.0 inch lens for the EX models. The 4.0 inch lens is a
very specialized lens that is usually reserved for cutting thicker acrylic. Many users
feel that the greater depth of field that the 4.0 inch lens provides enhances the look of
the sides of the acrylic. The 4.0 inch lens is also used for engraving applications
where the engraving is being done at the bottom of a deep cavity, like the bottom of a
bowl or on the inside of a shadow box that has tall sides.
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