An excellent choice for those looking for a small and lightweight telescope. Body with angle finder. 10 year warranty. Waterproof

The Kowa TSN-601 is a compact and lightweight telescope with good image quality. All lens surfaces and prisms are multi-coated. The telescope is sealed and filled with nitrogen gas, making it water and dust resistant and fog-free. Slide-out lens hood. The angled eyepiece and small size make the telescope easy to use even in a lying position.
Suitable eyepieces: 20-60x, 30x wide, 25xLER. Also compatible with old TS 610 and TSN11 series eyepieces.
The camera can be attached to a telescope using a separate adapter.
Front lens diameter: 60mm
Closest focusing distance : 6.0m
Weather protection: Fully waterproof, sealed and nitrogen-filled inside
Filter thread diameter: 67mm
Length: 29.9cm
Weight: 735g
| Quid | TSN-501 | TNS-553 | TNS-601 | TSN-663 | TNS-773 | TSN-883 |
| Front lens diameter | 50mm | 55mm | 60mm | 66mm | 77mm | 88mm |
| Front lens material | Glass | Fluorite crystal | Glass | XD glass | Fluorite crystal | |
| Lens coating | Fully Multi-Coated | |||||
| Frame material | Polycarbonate | Magnesium Alloy | ||||
| Closest focusing distance | 2.5m | 3m | 6m | 6m | 5m | 5m |
| Filter thread | 55mm | 58mm | 66mm | 72mm | 82mm | 95mm |
| Length | 241mm | 271mm | 299mm | 311mm | 318mm | 343mm |
| Weight | 400g | 810g | 735g | 1040g | 1330g | 1520g |
| Ocular | Fixed, 20-40x | Fixed, 14-45x | Interchangeable (Many options) | |||
| Waterproof | x (IPX6) | x (IPX7) | x (IPX7) | x (IPX7) | x (IPX7) | x (IPX7) |
| Dust protection | x | x | x | x | x | x |
| Focus line | x | x | x | x | x | x |
| Focusing screw | x | x | x | x | x | x |
| Dual focus | x | x | x | |||
| Backlight protection | x | x | x | x | x | |
| Tripod collar | x | x | x | |||
| Tripod thread | x | x | x | x | x | x |
| Interchangeable eyepiece | x | x | x | x | ||
| Eyepiece safety lock | x | x | ||||
