Finetuning Ring 28 mm M 48 x 0.75 for Baader Planetarium Hyperion eyepiece

Hyperion Finetuning Ring 28mm for Baader Hyperion Eyepieces and M48 extension
Extension ring with M48x0.75 thread on both sides and an optical length of 28mm. The ring is made of black anodized aluminium.

Hyperion Verl?ngerungungsring 28mm

Increases a Hyperion eyepiece's magnification by ca. 40% . Screw the extension ring between the Barlow element and the main body of a Hyperion eyepiece and its focal length will be reduced by ca. 40%. You also can use the ring as an extension tube to find the right distance (astrophotography).

Hyperion Ring 28mm assembly

Specifications:

-- thread on both sites: M48x0,75 (male/female)
-- length: 28mm
-- length M48 female thread: 3 mm

Usable eyepieces:

Hyperion eyepiece - standard Hyperion Okular with Hyp ring 28
Hyperion 3.5 2.4mm
Hyperion 5 2.8mm
Hyperion 8 5.6mm
Hyperion 13 9.2mm
Hyperion 17 12mm
Hyperion 21 14.9mm