Betrachtungs Apparat
Region: Germany Period: 1890–1930 Tags: ICA / Zeiss Ikon Stereoscope type: Hand-held » Single-view » Box-type
© Stereoscopy History
Under the name Betrachtungs Apparat, ICA produced a series of box-type stereoscopes for the 45 x 107 and 6 x 13 formats. Following the merger of ICA into Zeiss Ikon, the viewers were rebranded and continued. Several models existed, designated as series 628:
Models:
628/1
45 x 107 format, glass stereoviews, no lens focus.
628/2
45 x 107 format, glass stereoviews, lens focus and short focus lenses.
628/3
45 x 107 format, glass stereoview, lens focus and short focus lenses.
628/6
Same as 628/3, but with a hinged lid to illuminate paper stereoviews.
628/7 and (628/8 in Zeiss-Ikon catalogue)
Same as 628/6, but for the 6 x 13 format.
Specifications:
Introduction:
c. 1910
Maker:
ICA / Zeiss-Ikon
Catalogue number(s):
628/1, 628/2, 628/3, 628/6, 628/7
Support:
Paper and glass
Models for the formats:
45 x 107, 6 x 13
Lens focus:
Yes
Inter-ocular adjustment:
No
© Stereoscopy History
Published: 19-03-2026