long working distance

USAGE SUMMARY

The phrase "long working distance" is correct and usable in written English.
It is typically used in contexts related to optics, microscopy, or photography to describe a lens or system that allows for focusing on objects at a greater distance than standard lenses. Example: "The new microscope features a long working distance, making it easier to observe larger specimens without obstruction."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

49 human-written examples

A special long working distance illumination objective (10×; NA = 0.28; working distance, 33.5 mm; Mitutoyo, Japan) met all construction conditions.

Plosone

In this work, a third option is explored: using a long working distance optical microscope alongside a commercial scratch tester to allow oblique observation of scratch deformation with sub-micrometer resolution during scratching.

Surface and Coatings Technology

A new manipulator with long working distance has also been made.

Brain Research Bulletin

We present the design of a diffraction limited, long working distance monochromatic objective lens for efficient light collection.

Optik - International Journal for Light and Electron Optics

These effects also functioned in long working distance observation, however, stage tilting caused uncorrectable astigmatism in BD observation.

Micron

An optical platform with a long working distance objective is used to focus a 1064 nm Nd YAG laser and to form the desired patterns.

Microelectronic Engineering

Human-verified similar examples from authoritative sources

Similar Expressions

11 human-written examples

A 50× ultra-long working distance objective was used to focus on select pigment particles directly on the prints.

Heritage Science

Four central images were obtained per well using a Plan Fluor 40x NA0.6 extra-long working distance objective.

British Journal of Pharmacology

The flow chamber was mounted on the stage of a phase contrast microscope equipped with a 40× ultra-long working distance objective (Olympus ULWD-CD Plan 40 PL).

Clinical Oral Investigations

Under optical control (600 x amplification using 10x oculars, 40x objective with ultra-long working distance, and tubus magnification factor of 1.5) the pipette is gently placed onto the crypt, which is pressed in by about 1 µm.

Biological Procedures Online

Plates were immediately imaged using an ImageXpress Ultra confocal plate reader, which captured four central images per well using a Plan Fluor 40× NA0.6 extra-long working distance objective.

British Journal of Pharmacology

Expert writing Tips

Best practice

When describing optical systems or instruments, explicitly state the "long working distance" value in millimeters (mm) to provide precise specifications.

Common error

Avoid interchanging "working distance" with focal length. "Working distance" is the distance between the front of the objective lens and the specimen when it's in focus, while focal length is the distance from the lens to the image sensor when the subject is in focus.

Linguistic Context

The phrase "long working distance" functions as a descriptive term, specifically an adjective phrase modifying a noun. Ludwig AI's examples show it commonly qualifies 'objective', 'lens' or 'microscope', indicating a specific feature or property of these objects.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "long working distance" is a technical term predominantly used in scientific contexts to describe a specific attribute of optical instruments. As Ludwig AI confirms, the phrase is grammatically correct and commonly used, especially when specifying features of objective lenses in microscopy. Related phrases include "extended working distance" and "increased working distance". When using this term, ensure clear differentiation from focal length and always specify the value in millimeters for accuracy.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

extended working distance

Replaces "long" with "extended", emphasizing the increased length of the working distance.

increased working distance

Focuses on the augmentation of the working distance, highlighting the greater space available.

large working distance

Substitutes "long" with "large", providing a slightly different nuance while maintaining the core meaning.

greater working distance

Similar to "increased working distance", but with a comparative adjective.

ample working distance

Suggests a generous or sufficient working distance for the application.

generous working distance

Emphasizes the plentiful nature of the working distance provided.

enhanced clearance

Shifts the focus to the clearance provided by the increased distance.

increased reach

Highlights the ability to reach further with the instrument or tool.

significant standoff

Describes the distance between the objective and the sample as a significant standoff.

substantial gap

Focuses on the considerable space or gap between the instrument and the object.

FAQs

How is "long working distance" used in microscopy?

In microscopy, "long working distance" refers to the distance between the objective lens and the sample when the image is in focus. A longer working distance allows for imaging of samples that are thick or in specialized containers.

What are the advantages of using a "long working distance" objective?

A "long working distance" objective provides more space between the lens and the sample, reducing the risk of collision, allowing for the use of tools or manipulators near the sample, and enabling imaging through thicker materials or containers.

What is the difference between "long working distance" and standard objectives?

Standard objectives have a shorter working distance, limiting the types of samples that can be imaged. "Long working distance" objectives are designed to image samples that require more clearance, such as those in environmental chambers or with irregular surfaces.

What can I use instead of "long working distance"?

You can use "extended working distance", "increased working distance", or "large working distance" depending on the context.