#LaserPrinters,Scanners
14-Mar-90 12:18:38
Sb: #30565-#LaserPrinters,Scanners
Fm: Paul Gerhardt 73467,3457
To: john bickley 74030,3307
Donna
Digiview will let you digitize a video signal. I point my camcorder
at the image I want to capture. A scanner works like a copier, but the
image is digitized instead of just copied. Scanned images are usually
sharper and more accurate than digitized video. But scanners are also much
more expensive!
The DJ+ has the same resolution (300dpi) as the laser printer. So
they produce output with the same degree of "smoothness". Now some will
give the lasers a slight edge on quality, and that may be true to the
trained eye, but I can't see the difference.
Now you may be saying that my printer has 300dpi or better resolution
and a laser is much better. But the claims of high resolution for 24 pin
dot matrix printers have to be qualified by the fact that most if not all
of them obtain their highest resolution by making multiple passes and
overlapping the dots. For example if I gave you 8 one inch dots and asked
you to place them all on a four inch line you would have to overlap each
dot over half of the preceding dot to fit them all on. On the other hand if
I gave you 8 half inch dots then you could line all 8 up side by side on
the four inch line. Both methods can claim to produce 2 dpi (dots per inch)
since 8 of them "fit" into 4 inches, but only the latter method gives you
the true precision you would expect at the claimed resolution. Both the DJ+
and laser printers give you a TRUE 300dpi.
-Paul-