Telescopes and monoculars
Focusable Keplerian Systems
Product Benefits
- Ideal for use when you’re on the move (with finger ring).
- Can also be used in a system carrier frame.
Product Properties
- Achromatic lens made of high quality silicate.
- Can be used as a hand-held monocular in combination with finger ring (Item No. 16711).
- Can be used as a spectacle mounted telescope.
- High level of light transmission and image brightness.
- Small, lightweight and inconspicuous.
- High quality, dust-proof metal housing.
- Very short near point.
- With an intermediate adapter can be used with reading caps Item No. 16210-162116.
- Roof prism system with multicoating.
- Supplied with: carrying cord, case.
- Compatible with adapter system Item No. 1625
Product Accessories
Reading cap adapter (Item No. 167302)
- With this intermediate adapter ring, the monoculars 16731 and 16732 can be used with the reading caps 16210 - 162116
Reading cap adapter (Item No. 167303)
- With this intermediate adapter ring, the monoculars 16733 and 16734 can be used with the reading caps 16210 - 162116
Viso-quick finger ring (Item No. 16711)
- The finger ring ensures inconspicuous use and provides stability when used as a handheld monocular.
System carrier frame (Item No. 16934916, 16935116, 16935218
- Special frame for holding optical systems.
- Very light and sturdy titanium frame.
- Soft, adjustable, silicon saddle bridge.
- Spring-hinged, rubberised „golf club“ temple ends.
- Demo lenses with grid for simple centering of the lenses.
- Temples 150 mm, can be shortened.
Materials
| manual_keplerian telescopes with adapter.pdf | 197.6 KB |
Variants
| Name | product code | Magnification distance | Magnification Near | Visual field distance /1000 m | Visual field near | Viewing angle distance/far | Viewing angle near | |
|---|---|---|---|---|---|---|---|---|
| Focusable Keplerian Systems | 16731 | 2.8 x | 3.4 x | 220 m | 26 mm | 12.5 ° | 10 ° | |
| Focusable Keplerian Systems | 16732 | 4.2 x | 5.5 x | 175 m | 25 mm | 10 ° | 7.2 ° | |
| Focusable Keplerian Systems | 16733 | 4.2 x | 5 x | 220 m | 32 mm | 12.5 ° | 9.2 ° | |
| Focusable Keplerian Systems | 16734 | 6 x | 7.6 x | 175 m | 26 mm | 10 ° | 6 ° |
