Lenses in the BK line have a housing diameter of 38 mm (lens diameter 21 mm). For use with trial frames UB 3, UB 4, UB 4 höhenverstellbar, UB 6 and Half-eye Trial Frames.
Important note
The trial lenses in the BK line have a rim diameter of 38 mm (lens diameter 21 mm). Suitable for Universal Trial Frame UB 3, UB 4, UB 4 höhenverstellbar, UB 6 and Half-eye Trial Frames.
| 35 pairs each ± sph 0.12 to 20 D |
| 17 pairs each ± cyl 0.25 to 6 D |
| 10 prism trial lenses |
| 2 coloured lenses |
| 2 cross hairs |
| 1 occluder |
| 1 plano lens |
| 1 pinhole disc 1.25 mm |
| 1 stenopaic slit 1.25 mm |
| 1 Maddox cylinder, red |
| 1 frosted lens |
| Colour | grey-white |
| Article number | BK 1/T, 33180 BK 1/W, 33280 |
| Equipment | BK 1/T, with roll top BK 1/W, with roll top |
| Dimensions (W x D x H) | 33180: 578 x 475 x 155 mm 33280: 578 x 155 x 475 mm |
| Weight | ca 7,5 kg |
| 331801 | same as 33180, coated lenses |
| 33181 | Trial lens case same as 33180, without convex cylinder lenses |
| 331811 | same as 33181, coated lenses |
| 33184 | Trial lens case Type BK 1/T, without lenses, with tray |
| 332801 | same as 33280, coated lenses |
| 33281 | Trial lens case same as 33280, without convex cylinder lenses |
| 332811 | same as 33281, coated lenses |
| 33284 | Trial lens case type BK 1/W, without lenses, with tray |
| 33182 | Trial lens set BK 1, without tray |
| 331821 | same as 33182, coated lenses |
| 33183 | Trial lens set BK 1, without convex cylinder lenses, without tray |
| 331831 | same as 33183, coated lenses |
| 33185 | Tray for BK 1 Dimensions: 545 x 401 x 36 mm (W x D x H) |