| Brand Name | Ymarda | 
| Model Number | CH300 | 
| magnification | 3X | 
| frame | TP frame, BP frame,Titanium frame,Metal frame | 
| weight | 46g | 
| working distance | 280-600mm | 
| viewing angle | adjustable | 
| field of view | 70-120mm | 
| material | optical lens | 
| certificate | ISO9001:2008,CE | 
| Frames | colors | 
| Titanium frame | black , silver | 
| Metal frame | black , silver,wine-red | 
| Metal frame for lady | purple | 
| TP frame | black, white, silvery gray,Sapphire blue, brown, golden , red | 
| BP frame | silver ,red ,blue, golden-yellow, black, white, green | 
| Type | Working distance | Field of view | 
| 3X-S | 280-380mm | 70mm | 
| 3X-R | 360-460mm | 90mm | 
| 3X-L | 440-540mm | 110mm | 
| 3X-XL | 500-600mm | 120mm | 
Weight(w/o the frame ) : 46g
