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National Model DC3-420TH Digital System
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| Click to enlarge image(s) |
OPTICAL SYSTEM:
Paired widefield 10x eyepieces are 45° inclined, with dual diopter adjustments, interpupillary adjustment from 55mm to 75mm.
Achromatic, color corrected lenses.
Continuous magnification from 10x thru 40x. See specification chart for full range available with use of optional auxiliary lenses.
ILLUMINATION:
Top light is 12v 15 watt halogen, bi-pin with directional beam and rheostat control.
Bottom light is 12V 10 watt halogen, bi-pin.
Base mounted light controls permit choice of top only, bottom only, or dual illumination.
12VDC power converted operates on 100v-240v 50H/60H current, without need of additional transformer.
2.5 amp time delay fuse.
FOCUSING:
Large dual focusing knobs with slip clutch to prevent damage to mechanism.
Tension adjustment eliminates focus “drift”.
STAGE:
Large 165mm wide x 220mm deep stage surface.
Two 80mm stage plates (frosted glass and reversible black/white plastic contrast plates).
Blue filter for transmitted light.
Locked on stage clips.
FRAME:
Professional, all-metal frame, gray enamel finish.
Heavy-duty post mount with locking support collar, permits up or down adjustment of viewing head to accommodate different sized objects on stage.
Height: 330mm (13 in.) extends to 433mm (17 in.) for larger objects.
Net wt. 5.1 kgs (11.2 lbs)
THE CAMERA: 0.4MP
This model permits separate or simultaneous hook-up to computer and video monitor, or to projector, with supplied USB, S and RCA cables. Easy-to-use, Motic Images 2000 software for capturing, labeling, measuring, storing and e-mailing images, plus a host of other exciting options. Requires a PC with Windows XP or above, Mac OSX
SPECIFICATIONS – NATIONAL DIGITAL MICROSCOPE Model DC3-420TH
(NTSC, USB & RCA ports, digital and analog signals for use with computer, video, projector)
Technical Data NTSC (analog signal) USB (digital sig.)
Image device 1/3 in. interline CCD 1/3 in. interline CCD
Effective pixels (H) 768 x (V) 494 (H) 712 x (V) 582
Framed resolution 480 TV lines 320 x 240 pixels
Electronic shutter 525 lines, 60 field/sec 30 frames/sec
Sync System Internal Sync N/A
Audio output Transmission across Image 2000 direct into memory of PC Same
S/N Ratio More than 48dB (AGC off) N/A
Gamma Characteristic 0.45 N/A
White balance Auto white balance Same
B.L.C. Back light compensation (auto) Same
Minimum illumination 0.1 Lux (F:2.0) 0.1 Lux (F:2.0)
Data transfer 7.5 MB/second Same
Color Image Take-up time below one second Same
Color depth 24 bit (16.7 million colors) Same
Electronic shutter 1/60-1/100,000 sec -
Power supply 12v +/- 10% DC Self powered
Consumption 180mA 280mA
Data format BMP, JPG, MIG (for recording) Same
System Requirements :
Operating System Windows XP or above, Mac OSX
Computer Requirements Intel Pentium, CPU 200 Mhz or above, RAM 128 MB or above, Hard disk 200 MB or above, CD-ROM drive, USB plug, sound card, speaker and microphone for video and audio recording, a modem for e-mail, video conference and video mail. NOTE: If you are using Windows XP, your computer must have a minimum of 256 MB of RAM for Motic Images 1.3 to operate properly.
Immediate Printout On printer
Position and size of image on monitor Freely definable
Menu on monitor Pull-down menus for opening, storing, printing, print preview, regulator for brightness, color, gamma correction. Icons for recording, image interpolation, switching between large and small image, image quality, automatic and manual white balance.
Image data Automatic reference number, date, time
Interactive adjustment Color, brightness, contrast
Import of stored data Possible
IF YOU NEED HIGHER RESOLUTION SEE: DC5-420TH
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