- Dimensions: 50x50 mm²
- Line count (cm-1): 20; 40; 80
- Lattice constant (mm): 0.50; 0.25; 0.125
| Weight | 0.007 kg | 
| Brand | 3B Scientific | 
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| Weight | 0.007 kg | 
| Brand | 3B Scientific | 
![Photographic diffraction objects in a slide frame. Dimensions: 50x50 mm²  Slit width [mm]: 0.10; 0.15; 0.20 Slit spacing [mm]: 0.30 No. of slits: 2 Photographic diffraction objects in a slide frame. Dimensions: 50x50 mm²  Slit width [mm]: 0.10; 0.15; 0.20 Slit spacing [mm]: 0.30 No. of slits: 2](https://cdn11.bigcommerce.com/s-rntzxs90f5/images/stencil/500x659/products/19632/19293/U14100_01_1200_1200_Diaphragm-with-3-Double-Slits-of-Different-Widths__76706.1728507616.jpg?c=1) 
             
            
 
         
                     
                    
