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COOLSCAN V ED (LS-50 ED)
MA-21
Aperture 25.1 × 36.8 mm
Scan range 3946 × 5782 pixels
Effective aperture Same as slide mount
SA-21 IA-20 (S)
18.6 × 28.4 mm25.1 × 38.0 mm
3946 × 5959 pixels 2916 × 4453 pixels
16.1 × 27.4 mm23.4 × 36.0 mm
35-mm slides
35-mm fi lm strips
APS (IX-240) fi lm
Glass microscope
slides
Prepared glass microscope slides (26 × 76 mm, 0.8–1.5 mm thick) can be
scanned with optional FH-G1 fi lm holder.
Cartridges of 15, 25, and 40 frames can be scanned with optional IA-20 (S)
adapter.
2–6 frames. Strips of 1–6 frames can be scanned with optional FH-3 fi lm
holder.
Slides with mounts 1.0–3.2 mm thick, 49–50.8 mm wide.
Aperture/scan range
Media
Negatives and positives, in color and monochrome
Scanning system Fixed fi lm, movable plane single-pass optical scanning system
Orientation Horizontal or vertical
Size and weight 96 × 172 × 315 mm/3.8˝ × 6.8˝ × 12.4˝ (W × H × D), 3 kg/6.6 lb (approx.)
Operating environment +10–+35 °C (+50–+95 °F) at a humidity of 20–60%
Power supply
AC 100–240 V, 50/60 Hz
Interface USB 2.0 compliant
Focus Auto and manual
Output Full color or grayscale at 8 or 16 bits per channel
A/D conversion
14 bits per color
Optical resolution Up to 4000 pixels per inch
Color separation
Performed by RGB LEDs
Image sensor Linear CCD image sensor with 3964 pixels
Light source
Red, Green, Blue, and Infrared (RGBIr) LEDs
* Times for positive fi lm scanned with MA-21 at input resolution of 4000 dpi and bit depth of 14 bits (CMS on) using Nikon Scan 4 on
Pentium 4 3.06 GHz FSB 533 MHz computer with 1 GB RAM, Windows XP Professional, and USB 2.0 High Speed.
Scanning time
(Time to display image
when Preview button is
clicked, or when Scan
button is clicked fol-
lowing preview. Times
do not include autofo-
cus.)*
DEE Preview Scan
38 s
51 s
38 s
1 min 13 s
2 min 25 s
2 min 4 s
14 s
49 s
15 s
17 s
15 s
49 s
Off
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GEM
Off
Off
Off
Off
Off
On
Scan Image
Enhancer
ROC
Off
On
Off
Off
Off
Off
Off
On
Off
Off
Off
Off
ICE
Off
Off
On
Off
Off
Off
3 min 9 s1 min 7 sOnOnOnOn On