William Optics UniGuide 50 mm Ultra | PixelSkiesAstro
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William Optics UniGuide 50 mm Ultra

229,00 €
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William Optics UniGuide 50 mm Ultra A compact guide telescope with a 50 mm doublet lens, 200 mm focal length and f/4 focal ratio. Ultra is one of the manufacturer's listed colour options.

Manufacturer model: William Optics UniGuide 50 mm Ultra · Specifications checked against manufacturer data on 2026-11-03

William Optics UniGuide 50 mm Ultra

A compact guide telescope with a 50 mm doublet lens, 200 mm focal length and f/4 focal ratio. Ultra is one of the manufacturer's listed colour options.

Dimensions and application

Manufacturer-listed tube length is 252 mm and the current product table lists 0.50 kg total weight. Use with a compatible guide camera and mounting arrangement.

William Optics manufacturer specifications

Guide-camera connection

The 1.25-inch RotoLock secures a compatible guide camera. An M48 male thread lies beneath the RotoLock, and William Optics lists an M48 extender. The fully multi-coated objective and integrated slide base suit a compact guide-camera installation on a compatible William Optics handle.

Compatibility notes

Ultra is listed as a colour variant on the official UniGuide 50 page. Do not confuse with a different guide telescope.

Additional specifications

Colour variantUltra
Included adaptersM48 to 1.25-inch RotoLock; M48 extender
85732

Fiche technique

Diamètre (mm)
50
Raccordements caméra
1.25-inch RotoLock; M48 male thread beneath RotoLock. Pitch not specified.
Focale (mm)
200
Rapport F/D
4
Type de porte-oculaire
Threaded
Interface de fixation
Integrated slide base for compatible William Optics carrying handles.
Traitement de l'objectif
Fully multi-coated
Formule optique
Doublet lens
Poids total (kg)
0.5
Longueur du tube (mm)
252
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