Assertion: eyepiece | /r/HasProperty | parfocal
Facets:
value: often
type: DEGREE
value: with tele vue group b eyepieces
type: OTHER
value: by happenstance
type: CAUSE
value: with the others
type: OTHER
Source sentences:
text: Eyepieces that are "parfocal" can be interchanged without the need for refocusing.
text: Eyepieces that are parafocal will need only a very minor (if any) refocusing.
text: Often, eyepieces of the same design, from a given manufacturer, will be parfocal.
text: Eyepieces that are parfocal can be interchanged without the need for refocusing.
text: Often, eyepieces of the same design, from a given manufacturer, will be parfocal.
text: By happenstance, an eyepiece from one manufacturer may be parfocal with an eyepiece from a different manufacturer.
text: Within one brand and style of eyepiece, it is often true that each eyepiece in that collection will be parfocal with the others.
text: The eyepiece is offered with a 1.25" diameter barrel for compatibility with a wide variety of filters and accessories, and is parfocal with Tele Vue Group B eyepieces so no refocusing is required when switching between eyepieces within the group.