Gehmann iris, 7-colour & grey filter
- Iris 0.5 - 3.0mm
- Can be used with one bank of six colours, one bank of five grey filters and a single colour or both combined
1. bank: Colours: light blue, red, yellow, lilac, orange and light green
2. bank: mid blue, mid grey, dark grey, light grey, white blue, dark blue
- Perfect aid where local rules exclude use of other visual aids such as a magnification lens
- Can be used as iris only
- Removable steel threaded connection allows retro-fitting of our 50309 magnifying diopter
- Easy clean instructions included
- Black & silver anti-reflective finish
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