observation binoculars - Deltrintem 8x30 - 1961 - Carl Zeiss Jena

For sale is a genuine classic of German optical history: a Carl Zeiss Jena Deltrintem 8x30 Porro prism binoculars from 1961 (serial number 3301743). It bears the coveted East German quality mark “Q1” for first‑class export quality. Unlike modern plastic binoculars, this model impresses with its extremely durable, traditional materials:

Case: sturdy, lightweight aluminum die-cast with a grippy black Bakelite/leatherette coating.
Optics: high-quality, ground optical glass from Jena with the characteristic blue-violet magnesium fluoride coating for clear, glare-reducing viewing.
Details: original eyecups made of the characteristic hard Bakelite. Precise brass threads inside the central focus mechanism.

Condition of the offered glass: Optics: The transmission is [completely clear / slightly hazy]. The lenses have [no scratches / fine cleaning scratches]. Inside there is [no glass mold / minimal haze] to be seen.

Mechanics: The focus wheel and the diopter adjustment run [smoothly and with no play / somewhat stiff]. The image is cleanly adjusted and provides proper binocular vision.

Delivery: Binoculars as shown, including the original, form-fitted hard-shell case with metal zipper.

A beautiful piece for collectors, nostalgics, or for practical nature observation.

Note: On the right side, the zipper only opens halfway, but someone who knows this can surely manage it :)