AmScope Darkfield Oil Condenser for T670, T750, FM820T Series Compound Microscopes

SKU: DK-OIL-670

Availability: In Stock

Regular price $165.99 $137.99

Key Features

  • Darkfield condenser for our T670, T750, and FM820T series compound microscopes
  • Improve contrast in translucent specimens
  • Designed for high-NA objectives
  • Use with immersion oil

The darkfield condenser allows you to render detail in specimens that would otherwise be transparent. Using principles of light-diffraction to suppress field-illumination, the condenser illuminates edges of cells, microorganisms, and other objects. This is particularly useful for live blood analysis.

This darkfield condenser is designed for use with immersion oil. The 1.36 maximum numerical aperture will accommodate higher-magnification objective lenses with numerical apertures up to 1.25. However, it is recommended to use objective lenses with numerical apertures at or below 1.0 for true darkfield. Objective lenses designed for darkfield, such as those with iris-control like our PA100X-IRIS, are recommended for high magnifications. As well, magnifications of 10X and below may experience vignetting, in which case a dry condenser is preferable.

This condenser is designed to work with compound microscopes with a 37mm front-mount condenser holder. Compatible models include: T670, T670Q-PL, T750, FM820T

Condenser Compatibility
Condenser Mount front mount
Mounting Diameter 37mm
Model Compatibility T670, T670Q-PL, T750, FM820T
Condenser Specifications
Numerical Aperture 1.25-1.36
Immersion Medium oil
application Condenser-Compound
condenser application Compound
condenser immersion Oil
condenser iris Without Iris
condenser microscope model B670 Series, T670 Series
condenser mounting size 37mm
condenser optic NA 1.36-1.25
condenser optics Condenser-NA 1.36-1.25
condenser type Darkfield
immersion Condenser-Oil
Manufacturer AmScope
mounting size Condenser-37mm
prop 65 Prop 65 Warning
special feature Condenser-Without Iris
type Condenser-Darkfield

AmScope products are warranted against manufacturer’s defects in material and workmanship from the original date of purchase, for the following years: 


• Five Year Warranty for Microscopes: All our microscopes come with a five (5) year factory warranty against manufacturing defects, covering labor and parts. 
• Ten Year Warranty for Euromex Microscopes: All our Euromex microscopes come with a ten (10) year factory warranty against manufacturing defects, covering labor and parts.
• One Year Warranty for Telescopes: All our telescopes come with a one (1) year warranty, except when specified in the description. 
• One Year Warranty for Accessories: All our microscope accessories (USB cameras, illuminators, illumination, dust covers, and etc.) come with a one (1) year warranty, except when specified in the description.
• One Year Warranty for Items labeled as “Product Ships From Manufacturer”: All products that are shipped directly from the manufacturer come with a one (1) year warranty, except when specified in the description. 

Warranty does not apply for consumable accessories and parts such as bulbs, batteries, fuses, cords, optical components or any add-on accessories such as mechanical specimen holders that are not built into the microscope stage as an integral part of the original manufacture, etc. Warranty does not cover microscopes, lenses cameras or other accessories that have become inoperable due to dirt or damage due to misuse or lack of maintenance. 

Note: Buyers are responsible for return shipping and handling cost for warranty services. Our warranty covers parts and labor only.

The darkfield condenser allows you to render detail in specimens that would otherwise be transparent. Using principles of light-diffraction to suppress field-illumination, the condenser illuminates edges of cells, microorganisms, and other objects. This is particularly useful for live blood analysis.

This darkfield condenser is designed for use with immersion oil. The 1.36 maximum numerical aperture will accommodate higher-magnification objective lenses with numerical apertures up to 1.25. However, it is recommended to use objective lenses with numerical apertures at or below 1.0 for true darkfield. Objective lenses designed for darkfield, such as those with iris-control like our PA100X-IRIS, are recommended for high magnifications. As well, magnifications of 10X and below may experience vignetting, in which case a dry condenser is preferable.

This condenser is designed to work with compound microscopes with a 37mm front-mount condenser holder. Compatible models include: T670, T670Q-PL, T750, FM820T

Condenser Compatibility
Condenser Mount front mount
Mounting Diameter 37mm
Model Compatibility T670, T670Q-PL, T750, FM820T
Condenser Specifications
Numerical Aperture 1.25-1.36
Immersion Medium oil

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