Exten­sion of the Image Scene Focus Range to a Maximum with Ever­Sharp

The innovative EverSharp function allows all objects in the image scene to be depicted sharply.

VarioCAM® HD head und VarioCAM® HDx head

Users benefit from the function particularly when the depth of field of the lens is rather small and the different measurement objects of the scene are at varying distances from the lens, e.g. when using microscope lenses. Multiple thermal images are created with different focus positions (multifocus images) and combined automatically by means of special algorithms. In the corresponding thermal image, a result consisting of multiple individual acquisitions, all object structures can thus be sharply displayed with the highest possible accuracy. Hence, the entire scene is depicted with greater accuracy and can be measured precisely. This expands the range of applications of the thermographic camera and makes its operation even more convenient. Users recognise each detail of the scene on an entire image. The time-consuming generation of sequential images on which certain details must be subsequently refocused is no longer necessary.

These are the Bene­fits for Users Util­izing Ever­Sharp

Which benefits this function can provide in practice become apparent through a variety of measurement tasks, such as in micro-thermographic analyses in the field of electronics. Typical measurement objects there are complex electronic components, which are becoming increasingly smaller and more powerful. For this reason, precision plays a crucial role during their development. The VarioCAM® High Definition camera series from InfraTec allows you to analyse extremely small structures up to 17 µm, which are depicted consistently sharp in the hole thermal image due to the EverSharp function and can be determined exactly by their temperatures. Thus, users achieve results with a high level of measurement accuracy.

Without Ever­Sharp Func­tion

Part of the thermal image in focus

Thermal image taken without EverSharp function

With Ever­Sharp Func­tion

Highest sharpness of detail of all object structures

Thermal image taken with EverSharp function

Bene­fits of Ever­Sharp at a Glance

  • Faster analysis of an image scene due to sharply represented details

  • Compensation of varying object distances

  • Maximum optical resolution even when using lenses with a short depth of field

  • Avoidance of measurement errors due to unwanted visual effects (e.g. out of focus blurring)

Relevant Indus­tries & Applic­a­tions

Contact to thermography division of InfraTec

Would You Like to Know More?

It is not unusual for tasks to be associated with special requirements. Discuss your specific application needs with our specialists, receive further technical information or learn more about our additional services.

Europe & Rest of World
InfraTec GmbH Infrarotsensorik und MesstechnikGostritzer Straße 61 - 6301217 DresdenGERMANY

Further Glossary Items relating to EverSharp

MicroScan feature ImageIR

Micro­Scan – Quad­ruple the Image Format

Behind the function is a fast-rotating MicroScan wheel, which is integrated into the camera. It ensures that four different individual exposures are taken per wheel revolution, which are offset laterally by half a pixel each. In this way, thermography achieves a new quality due to thermal images providing a quadrupled spatial resolution.

Thermal  cameras / infrared cameras from InfraTec

Infrared Thermography Theory - Physical Basics | InfraTec GmbH

The principle of infrared thermography is based on the physical phenomenon that any body of a temperature above absolute zero (-273.15 °C) emits electromagnetic radiation. 

MicroScan feature ImageIR

Micro­Scan – Quad­ruple the Image Format

Behind the function is a fast-rotating MicroScan wheel, which is integrated into the camera. It ensures that four different individual exposures are taken per wheel revolution, which are offset laterally by half a pixel each. In this way, thermography achieves a new quality due to thermal images providing a quadrupled spatial resolution.

Thermal  cameras / infrared cameras from InfraTec

Infrared Thermography Theory - Physical Basics | InfraTec GmbH

The principle of infrared thermography is based on the physical phenomenon that any body of a temperature above absolute zero (-273.15 °C) emits electromagnetic radiation.