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Telescopic Spectacles K4 Vario

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The Telescopic Spectacles K 4 vario are fitted monocularly with a Kepler-type telescope system with a magnification of 4x for distance vision. The system can be set from distance to near vision by appropriately turning the objective lens

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Description

The Telescopic Spectacles K 4 vario are fitted monocularly with a Kepler-type telescope system with a magnification of 4x for distance vision. The system can be set from distance to near vision by appropriately turning the objective lens.

The Telescopic Spectacles K 4 vario can be optionally fitted with a locking ring which serves as an objective stop for the largest object distance requested by the wearer. It can be attached in any position on the system housing using a pin screw.

The teleloupe magnification for near vision totals a maximum of 8x (with correction of 0.0 D). This near magnification can be increased to 10x by the attachment of a clip-on lens.

Persons with low vision can use the K 4 vario Telescopic Spectacles to recognize objects in the distance, at intermediate distances and in the close-up range.

For mounting reasons,the distance between the principal visual point and the rim of the frame must not be less than 13 mm.

M distance: 4x to 8x

With clip-on lens Mnear: 10x

 

Description Order Code
Telescopic   spectacles G2.2 (with spherical correction) 000080-2019-034
Telescopic   spectacles G2.2 (with spherical & astigmatic correction) 000080-2019-042
Fixing ring 000000-1043-863
Container 000000-1211-954

 

  Magnification Working Distance measured from the eye

 

Free working distance Field of view
Telescope system K4 Vario
Distance focusing 4x 226m/1000m
Near Focusing 8x 245mm 170mm 29mm
Telescope system K4 Vario with clip-on lens
Distance focusing  approx. 4x  1.6m  1.54m  380mm
Near focusing 10x 200mm 120mm 20mm

Additional information

Features

With Spherical Correction, With Spherical Correction & Astigmatic Correction

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