BAADER HYPERION FINETUNING RING 14mm ESATTO 3.5" 3 metre radio telescope that

3 metre radio telescope that combines radio and amateur astronomy technologies

Machined and anodized aluminium base

5mm yielding a good field of view even at longer focal lengths

8mm (2") diameter filter and has 39mm of free aperture

Newtonian 150 f/5

BAADER HYPERION FINETUNING RING 14mm ESATTO 3.5" 3 metre radio telescope thatThe Baader 14mm Hyperion Finetuning Ring is a spacer ring for Baader Hyperion eyepieces that fits between the negative lens and 2" barrel. It allows you to vary the focal length of the eyepiece with no loss of quality. See the below table for specifications: Specifications Optical length 14 mm Clear aperture 45 mm Outer diameter 50. 8 mm (2") Connection telescope side M48 x 0. 75 female Connection camera side M48 x 0. 75 female Weight 20 g SKU