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Telescopic Spectacles G 1.8

R0.00

Telescopic system with a Galilean design and magnification of 1.8x, convertible to a “teleloupe” system by the attachment of clip-on lenses on the object side for near vision.

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Description

The Telescopic Spectacles G 1.8 are used monocularly or binocularly by persons with low vision in order to magnify objects in the distance to such an extent that they become visible again. The object-side attachment of clip-on lenses turns the telescopic system into a “teleloupe” system. The appropriate magnification makes it possible for the user to identify close-up objects and to read standard print sizes. Due to the parallel position of the telescope systems, only monocular use is possible in near vision. The other lens is covered with a frosted clip-on lens.

For mounting reasons, the distance between the principal visual point and rim of the frame must not be less than 17 mm.

M distance: 1.8 x

Field of view: 425   m/1000 m ^= 24°

Description

Order Code

Sph -30.00 to +25.00

Cyl -2.50, -3.00, -3.50, -4.00, -5.00, -6.00

Telescopic Spectacles G1.8 (with spherical   correction)

000080-2019-000

Telescopic Spectacles G1.8 (with spherical   & astigmatic correction)

000080-2019-018

Clip –on lens fully frosted

205203-8340-000

Case (standard)

000000-1350-635

Container (large)

209748-9003-000
Clip-on lenses  for intermediate distances  
Total   magnification
for near *
Magnification
for reference
distance of
0.25 m
(D/4)
Working distance   measured from the eye Free working
distance
Field of view Version Order Code
Single-
focal
Multi-
vision
 
1.84 +0.50 2 m 2 m 1.000 mm 205203-8325-000
1.87 +1.00 1 m 1 m 500 mm 205203-8326-000
1.94 +2.00 0.54 m 0.5 m 260 mm 205203-8328-000
2,00 +3.00 0.37 m 0.33 m 170 mm 205203-8330-000
* referred to   working distance  

 

Clip-on lenses  for near distances  
Total   magnification
for near
**
Loupe   magnification Dioptric
power (D)
Working distance   measured from the eye Free working
distance
Field of view Version Order

Code

Single- vision Multi- focal
2x 1.11x + 4.44 260 mm 215 mm 110 mm 205203-8332-000
3x 1.67x + 6.68 185 mm 140 mm 75 mm 205203-8333-000
4x 2.22x + 8.88 150 mm 105 mm 52 mm 205203-8334-000
5x 2.78x + 11.12 130 mm 85 mm 42 mm 205203-8335-000
6x 3.33x + 13.32 110 mm 65 mm 34 mm 205203-8336-000
8x 4.44x + 17.76 95 mm 50 mm 26 mm 205203-8338-000
10x 5.5 x + 22.00 90 mm 40 mm 20 mm 205203-9010-000
12x 6.6 x + 26.40 85 mm 32 mm 15 mm 205203-9012-000
** referred to working distance = 250 mm  

Clip-on   lens bifocal for near

Order Code

2x

205203-8342-000

3x

205203-8343-000

4x

205203-8344-000

5x

205203-8345-000

6x

205203-8346-000

8x

205203-8348-000

Additional information

Features

Spherical Correction, Spherical Correction & Astigmatic Correction

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