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HF108B


High-Speed Ultra-thin 8 Position Filter Wheel

The HF108B high-speed filter wheel holds up to eight 32 mm filters and allows users to simply and quickly tailor illumination to suit specific applications. The HF108B is ideal for high-speed widefield fluorescence microscopy or integration into confocal or super-resolution instruments.

The clear 29 mm aperture makes the HF108B an optimal choice for modern high field number microscopes and large-format cameras. For system integrators, numerous attachment points for customized adapters are available.

The HF108B offers a marked improvement in speed and durability compared to the previous HF108A model. It features an ultra-thin 21 mm body for easy integration and minimal impact on microscope infinity spaces, and includes an easy-to-use filter clamping mechanism.

The filter wheel is easily controlled through Prior’s ProScan III controller and can be ordered as a standalone system.

See the brand specific pages for more information on microscope compatibility:

HF108B-EV (Evident)

HF108B-NK (Nikon)


    • Lightweight design facilitates rapid filter changing
    • Ultra-thin body minimizes impact on infinity space
    • Non-threaded filter clamp enables easy filter installation
    • Multiple attachment points for system integrators
    • Life tested to 20 million cycles
Number of filters 8
Maximum filter diameter 32 mm
Maximum filter thickness 5 mm
Filter change time < 38 ms
Wheel thickness 21.1 mm
Weight 1 kg
Mounting method Without stand
Maximum recommended drive current 1200 mA

Specifications as per datasheet. Please see datasheet for details.

  • HF138C C-mount camera adapter

  • HF138TFL TFL-mount camera adapter

  • HF138F F-mount camera adapter

Option Manufacturer Compatibility Notes

HF108OS

Prior OpenStand-U, OpenStand-M, OpenStand-L, OpenStand-V Compatible when configured with correct OpenStand components.

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