eFlex™ 75x-300x LED Lit USB Digital Microscope with Flexible Stand


eFlex™ 75x-300x LED Lit USB Digital Microscope with Flexible Stand


(1 customer review)

The Carson MM-840 eFlex™ 75x/300x Effective Magnification LED Lighted USB Digital Microscope with Flexible Stand and Base is a powerful digital microscope that displays the magnified image right on your computer screen. The impressive 75x/300x effective magnification (on 21″ monitor) allows you to see details of ordinary objects that you never knew existed!

Capture an image to keep with the click of a button. You can even capture close-focus video! The included flexible neck stand with suction cup adapter attached to any smooth surface, or included graduated base with ease.

Max Picture Resolution: 1600 x 1200

Max Video Resolution: 640 x 480

To determine the power, multiply your computer screen size by 3.57-14.29.

Example: 32″ computer screen would magnify 114x/457x (power). Please note, the effective magnification is a combination of the optical system and a high powered digital zoom.

Latest version is compatible with Windows 11/10/8/8.1/7/Vista/XP SP2+ and all Mac OS. A USB 2.0/3.0 port is required. No batteries required.


Download the Software and Installation Guide: Software Page


In stock

SKU: MM-840 Category: Tags: , , , , , ,
GTIN: 750668-01112-1
MPN: MM-840
Brand: Carson
Model NameeFlex™
Model NumberMM-840
Magnification75x/300x Effective on 21" Monitor
Weight0.19 lbs
Dimensions8.3 in x 5.5 in x 7.2 in
User ManualMM-840-Guide_EN.pdf
Case Quantity20
Case Dimensions20.0 in x 12.8 in x 13.1 in
Case Weight17.4 lbs
Inner Quantity5
Inner Dimensions12.6 in x 6.1 in x 9.6 in
Item Box Dimensions9.1 in x 5.8 in x 2.3 in
20' Container Capacity11127
40' Container Capacity22841
40' High Cube Capacity25500

1 review for eFlex™ 75x-300x LED Lit USB Digital Microscope with Flexible Stand

  1. Flag of English language

    Robert Burns Wadley (verified owner)

    This is an excellent USB Microscope. The support and base make the usage very easy. Also, the adjustable lighting is very helpful. The software is well done and easy to understand.

  2. Flag of English language

    Charles E (verified owner)

    Product was delivered on time and exactly as advertised

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