About this product
Part Number: 20266
The Hyperflex 9-27mm zoom eyepiece offers a convenient alternative to a number of fixed focal length eyepieces.
- Constructed with 7 lens elements in 4 separate groups.
- Fully broadband multi-coated edge-blackened optics and internal baffling for high contrast and light transmission.
- Delivers a surprisingly (for a zoom eyepiece) flat well-corrected field of view with high contrast and definition.
- Continuously variable focal length of 9mm to 27mm.
- Apparent Field Of View of 60°-40°.
- For convenience, reference focal length positions are engraved on the eyepiece barrel.
- Large eye-lens element, 18mm eye-relief and soft twist-up eyecup for comfortable viewing even when wearing spectacles.
- Parfocal so little or no refocusing required when changing focal lengths.
- Threaded to accept standard 1.25” filters.
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