The Baader Hyperion Mark IV Zoom Eyepiece Set with Barlow allows a focal length of 3.6mm to 24mm.

Here in set: Baader Hyperion Zoom Mark IV and Hyperion Barlow 2.25x for extreme magnification range:

    An eyepiece for all magnifications - this offers this combination offer
    Consisting of Hyperion Universal Zoom Eyepiece 8-24mm Mark IV and Hyperion Barlow Lens 2.25x
    Field of view 48° to 68°
    This combination offers a focal length range of 3.6mm to 24mm
    Of course, you can also use the Hyperion 2.25x Barlow and the Mark IV Zoom individually
    The set is intended for astronomical purposes, if you want to cover all magnification areas with an eyepiece

The set of the MARK IV Hyperion 8-24mm Universal Zoom Eyepiece (# 2454826) and the Hyperion Zoom Barlow 2.25x (# 2454654) combine to create the largest-focal-length zoom eyepiece. The set covers all eyepiece focal lengths from 3.6 to 24mm. The set is intended for astronomical applications. At spotting scopes only use without Barlow lens is possible.

The advantages of a zoom eyepiece for highest magnifications are obvious:

You will normally need at least 2 good high magnification range eyepieces to adapt to changing conditions such as air turbulence, object brightness, and so on. The Hyperion Zoom with the Barlow extra for the zoom allows an optimal gradation of magnifications, you can ideally adapt to the object, the air turbulence and of course the limit of the telescope.

With the Hyperion Zoom you have an eyepiece with the best insight on the hand. Only a few fixed eyepieces have comparable insight at similar magnification.

The Hyperion Zoom is ideal for photography of planets, you can also photographically optimally adapt to the object.

Delivery:

    Baader Hyperion Mark IV Zoom (complete delivery)
    Baader Hyperion 2.25x Barlow lens