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Design and manufacture world-class scientific cameras for applications that require superior imaging performance such as astronomical, life science, research and industrial imaging.

QSI is committed to offering superior imaging solutions and exceptional customer service. We invite you to explore our web site and learn more about our cameras and our commitment to excellence. We’re confident that when you look closely at the performance and design of our cameras, you’ll see that QSI offers exceptional products at an unbeatable value.


QSI is staffed by an exceptional engineering team, each with more than 20 years of industry experience in electrical, mechanical and software engineering. They’re backed up with state-of-the-art tools including 3D CAD/CAM software, electronic design and testing software, and advanced software development tools. Mechanical designs are developed in SolidWorks™. Those 3D models are then fed directly into our CNC manufacturing systems to produce QSI’s elegant, compact and energy efficient products and do so with quality and cost that rivals the best in the world.

We use the products we sell so we better get them right. There’s nothing better to focus the talents of an engineer or product designer than building a product they want to use. Reviewers of QSI cameras agree. Most have gone on to purchase a QSI camera for their own use.


Of course building great products requires much more than technical expertise. Truly great products require forward-thinking, innovative designs and industry-leading performance. QSI is a leader in the design and production of deep cooled CCD cameras for low light applications. QSI cameras are relied upon by world-class organizations around the world:

  • Leading universities in the US and around the world, including Harvard, NYU and UCLA
  • Government research organizations including NASA, JPL, NIST, and US National Labs
  • Large commercial organizations
  • Life science companies and researchers
  • Individual researchers in an amazingly diverse variety of disciplines
QSI cameras have been recognized by industry publications for their innovative, compact designs and exceptionally low noise. Customers around the world rely on those products to provide the highest possible image quality for their demanding imaging applications.


QSI is committed to providing the highest quality customer service in the industry. Great customer service starts with building great products that work intuitively and install easily. An extensive online Knowledge Base provides quick answers to common questions. Email inquiries are answered promptly during business hours and many times even late into the night. We know your time is valuable. If you call QSI you’ll talk to one of our highly trained, sales or support specialists. You’ll find that all QSI representatives are eager to help.

QSI is a wholly owned subsidiary of SDI Group plc
Registered in England No. 05948849
Registered office: Beacon House, Nuffield Road, Cambridge, CB4 1TF


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