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The Twist-on Reduced Footprint Imaging Cannula has been designed with an outer diameter of the base as small as 3.5 mm to image exiguous area of the brain (e.g. olfactory bulb). In the Twist-on Reduced Footprint Imaging Cannula, the GRIN lens protrusion length is user defined with steps of 250 microns. There is no protrusion adjustment ring. Twist-on Reduced Footprint Imaging Cannula are compatible with the efocus Fluorescence Microscope Body (eTFMB, eTOSFM)

Notes: The protrusion length of the GRIN lens is determined from the base of the imaging cannula to its tip. See the specification tab for details.

Penetration depth
GRIN lens numerical aperture0.5
Working distance

300 µm

Base diameter3.5 mm

Diameter 500 µm

- Type D: 0 - 3.0 mm
- Type V: 2.43 - 5.43 mm
- Type E: 4.85 - 7.85 mm

Diameter 1000 µm

Type D: 0.1 - 2.35 mm
Drawing

Twist-on Reduced Footprint Imaging Cannula

Application Note FR EN

Imaging Cannula Implantation & Microscope Installation for eTFMB/eTOSFM



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