HEINE C2.3K|450 headband loupe in case
Specifications C2.3K | 450 mm
- Magnification 2.3 x
- Working distance 450 mm (18 inches)
- Field of view Ø 130 mm
- Depth of field 190 mm
- Weight 160g

Ideal for dental laboratories and general medical examination.
Crisp, clear images. Multi-coated, scratch-resistant silica glass lenses produce crisp, clear images
Flexibility for precise adjustment. Independently adjustable PD controls ensure precise alignment of the optics
Super lightweight and comfortable – only 46g. Flexible coil temples wrap-around to fit the user’s anatomy securely and comfortably. Spring-loaded temples will adjust to the user’s anatomy. Lightweight metal frame
The ideal all-purpose loupe. The feather-light weight, low-profile design and low cost of the C2.3K loupe make it the ideal all-purpose loupe
Working distance. 340mm or 450mm (13 or 18 inches)
| Specifications | C2.3K | 340 mm | C2.3K | 450 mm |
| Magnification | 2.3 x | 2.3 x |
| Working distance | 340 mm (13 inches) | 450 mm (18 inches) |
| Field of view Ø | 110 mm | 130 mm |
| Weight | 160g | 160g |
| Depth of field | 120 mm | 190 mm |
The C2.3K loupe can be worn with spectacles. Should you prefer to examine without glasses, the charts illustrate how your refractive error will affect the loupe working distance. If you are unsure of your prescription, please consult your eye care provider.
| User’s refractive error | Effective working distance C2.3x | 340 mm | Effective working distance C2.3x | 450 mm |
| +2 | 440 mm | 670 mm |
| +1 | 390 mm | 560 mm |
| 0 | 340 mm | 450 mm |
| -1 | 300 mm | 420 mm |
| -2 | 270 mm | 370 mm |
HEINE C2.3K|450 headband loupe in case
Specifications C2.3K | 450 mm
HEINE C2.3K|340 headband loupe in case
Specifications C2.3K | 340 mm
Detachable protective lenses for C2.3K to protect the optic