You can check calibration results by measuring the same distance with the Straight line
tool. Click the measurements icon, choose the Straight line tool and draw a similar line
on the image. If the measured distance is equal to the actual distance, calibration has
The calibration process has to be repeated if the magnication or focus has been changed
Click the corresponding icon on the toolbar again and select Reset picture magnication
from Reset magnication. Repeat the calibration process, as described above. Change
the magnication and capture a few images. Double-click one of the thumbnails to open
the resulting image in a preview window. Click the calibration icon on the toolbar and
select Set picture magnication from Set magnication. Enter the current magnication
in the dialog window that appears and click OK.
If you want to use the same magnication when capturing images in the future, click
the calibration icon on the toolbar and select Set capture magnication from Set
It is recommended to calibrate the system before proceeding with measurements.
Straight line. Press and hold the le mouse button to start drawing a line. Release the
le mouse button to complete the line.
Continuous Line. Press and hold the le mouse button and draw a line. Release the le
mouse button to complete the segment. You can continue adding more segments to the
Radius Circle. Draw a straight line on the image. The application will automatically
calculate the radius, as well as circumference and area of the corresponding circle.
Diameter Circle. Draw a straight line on the image. The application will automatically
calculate the diameter, as well as circumference and area of the corresponding circle.
Three Points Angle. Press and hold the le mouse button to draw a line on the image.
Release the le mouse button and draw another line. The application will automatically
calculate value of the resulting angle.
Draw and text
PortableCapture allows you to add drawings and textboxes to your images. Open an
image in a preview window and click the Pencil icon on the toolbar. Select one of the
tools from the drop-down menu and draw something on the image. By clicking the TT
icon on the toolbar, you can edit font type and color to be used in textboxes.
Levenhuk reserves the right to modify or discontinue any product without prior notice.
Operating system: Windows 7/8/10, Mac 10.12 and above
CPU: at least P4 1.8GHz or above, RAM: 512MB, Video card: 64MB
Interface: USB 2.0, CD drive
Care and maintenance
Never, under any circumstances, look directly at the Sun, another bright source of
light or at a laser through this device, as this may cause PERMANENT RETINAL
DAMAGE and may lead to BLINDNESS. White LEDs are very bright; do not look at
them as this may cause permanent damage to your vision. Take necessary precautions
when using the device with children or others who have not read or who do not fully
understand these instructions. Do not try to disassemble the device on your own for
any reason. For repairs and cleaning of any kind, please contact your local specialized
service center. Aer unpacking your microscope and before using it for the rst time
check for integrity and durability of every component and connection. Do not touch the
optical surfaces with your ngers. To clean the device exterior, use only special cleaning
wipes and special optics cleaning tools from Levenhuk. Do not use any corrosive or
acetone-based uids to clean the optics. Abrasive particles, such as sand, should not be
wiped o lenses, but instead blown o or brushed away with a so brush. Do not apply
excessive pressure when adjusting focus. Do not overtighten the locking screws. Protect
LCD display 4.3"
Optics material optical glass
Megapixels 0.3 (interpolated to 8M, 5M, 3M, 1.3M)
Focusing manual, 5–80mm
Illumination 8-LED system with brightness adjustment
Stage with clips and a measuring scale
Body material plastic
Power source 5V DC-in via USB cable or
built-in Li-ion battery: 3.7V, 2500mAh
work time: 7 hours; charging time: 5 hours
Soware image and video processing soware with measurement
Soware language English, German, French, Spanish, Russian, Italian,
Portuguese, Polish, Dutch, Japanese, Korean, Chinese
Ability to connect additional
equipment support of microSD cards with capacity up to 32GB (1GB
microSD card included in the kit)
connect to PC via USB cable (included)
range 0…+45 °C / 32… 113 °F