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Telescopic Spectacles K4

R0.00

The Telescopic Spectacles K4 are fitted monocularly with a Kepler-type telescope system featuring a magnification of 4x for distance vision.

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Description

The Telescopic Spectacles K 4 are fitted monocularly with a Kepler-type telescope system featuring a magnification of 4x for distance vision.

They have been designed to help people with low vision to recognize objects in the distance.

By the attachment of clip-on lenses on the object side, the telescope system can be converted to a “teleloupe” system for use at intermediate distances and/or for near vision.This allows the low vision wearer to recognize objects at close range and to read standard print sizes.A swivel mechanism of the clip-on lenses allows the wearer to switch rapidly from distance to near vision, and double clip-on lenses permit one or two lenses to be swung quickly into position.

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

Double, swing-in clip-on lenses possible as:

•Combinations featuring dioptric power for intermediate distances and required loupe magnification for near vision

• Combinations featuring different loupe magnifications for near vision

M distance: 4x

Field of view: 226m/1000m^=13º

Description Order Code
Sph -25.00 to   25.00, Cyl  
Cyl -1.00, -2.00,   -3.00, -4.00, -5.00, -6.00
Telescopic   spectacles K4 (with spherical correction) 000080-2019-067
Telescopic   spectacles K4 (with spherical & astigmatic correction) 000080-2019-075
Swing-in clip-on lenses for intermediate   distances  
Total magnification
for near *
Dioptric
power (D)
Working distance measured from the eye Free working
distance
Field of view Order Code
ca. 4x 0.34 3.066 m 3 m 685 mm 000000-1017-636
ca. 4x 0.50 2.066 m 2 m 463 mm 000000-1017-637
ca. 4x 1.00 1.066 m 1 m 232 mm 000000-1017-638
ca. 4x 2.00 0.566 m 0.5 m 118 mm 000000-1017-639

 

Swing-in clip-on lenses for near vision  
Total magnification
for near
**
Loupe magnification Dioptric
power (D)
Working distance measured from the eye Free working
distance
Field of view Oder Code
4x 1 x 4.0 313 mm 247 mm 58 mm 000000-1017-642
5x 1.25 x 5.0 264 mm 198 mm 47 mm 000000-1017-643
6x 1.5 x 6.0 233 mm 167 mm 40 mm 000000-1017-644
8x 2 x 8.0 187 mm 121 mm 29 mm 000000-1017-646
10x 2.5 x 10.0 164 mm 98 mm 23 mm 000000-1017-647
12x 3 x 12.0 149 mm 83 mm 20 mm 000000-1017-649
14x 3.5 x 14.0 135 mm 69 mm 17 mm 000000-1017-650
16x 4 x 16.0 126 mm 60 mm 15 mm 000000-1017-651
20x 5 x 20.0 113 mm 47 mm 12 mm 000000-1017-652
Clip-on lens, double 0.34 D Order Code

4x

000000-1018-303

5x

000000-1018-305

6x

000000-1018-307

8x

000000-1018-308

10x

000000-1018-310

12x

000000-1018-311

14x

000000-1018-312

16x

000000-1018-314

20x

000000-1018-315
Clip-on lens, double   0.50 D Order Code

4x

000000-1018-317

5x

000000-1018-319

6x

000000-1018-320

8x

000000-1018-321

10x

000000-1018-322

12x

000000-1018-323

14x

000000-1018-324

16x

000000-1018-325

20x

000000-1018-326
Clip-on lens, double   1.00 D Order Code

4x

000000-1018-327

5x

000000-1018-966

6x

000000-1018-328

8x

000000-1018-329

10x

000000-1018-330

12x

000000-1018-331

14x

000000-1018-332

16x

000000-1018-333

20x

000000-1018-334
Clip-on lens, double 2.00 D Order Code

4x

000000-1018-335

5x

000000-1018-336

6x

000000-1018-337

8x

000000-1018-338

10x

000000-1018-339

12x

000000-1018-340

14x

000000-1018-341

16x

000000-1018-342

20x

000000-1018-343

 

Clip-on lens, double Order Code

4x/4x (8x)

000000-1018-359

4x/5x (9x)

000000-1018-360

4x/6x (10x)

000000-1018-361

5x/5x (10x)

000000-1018-362

Additional information

Features

With Spherical Correction, With Spherical Correction & Astigmatic Correction

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