Fixed focal length Camera Lenses (machine vision lenses) for large image scales. Due to the
F-mount attachment they are appropriate for medium sensor
lengths. For the cost-effective photo lenses AF...
Schäfter+Kirchhoff offer adapter combinations with integrated
locking for the focus and aperture ring.
Compatible Extension Rings:
| Order Code | Focal Length | F-number | Max. CCD Sensor Length | Magnification Range | Flange Focal Length | Length | Outer Diameter | Filter Thread | Min. Close Focus Range |
|---|---|---|---|---|---|---|---|---|---|
| f | K | S | ß | s'A' | LO | A | |||
| [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | ||||
| SK2.8/20-40 | 20 | 2.8 | 36 | 1:8.3 - 0 | 19.5 | 69.5 | 69 | M62x0.75 | 250 |
| SK2.8/28-40 | 28 | 2.8 | 36 | 1:5.6 - 0 | 19.5 | 71.5 | 65 | M52x0.5 | 250 |
| SK2.0/35-40 | 35 | 2.0 | 36 | 1:4.2 - 0 | 19.5 | 70.5 | 64.5 | M52x0.5 | 250 |
| SK1.4/50-40 | 50 | 1.4 | 36 | 1:6.8 - 0 | 19.5 | 69.5 | 64.5 | M52x0.5 | 450 |
| SK1.8/50-40 | 50 | 1.8 | 36 | 1:6.6 - 0 | 19.5 | 66 | 63.5 | M52x0.5 | 450 |
| Lens Code | A7.5 | A8 | A11 | A15 | A18 | M18 | M20 | M25 | M30 | M35 | M40 | M50 | M60 |
| Focal length f' | 7.5 | 8.0 | 11.0 | 15.3 | 18.4 | 18.4 | 20.0 | 25.0 | 30.0 | 35.0 | 40.0 | 50.0 | 60.0 |
| Numerical Apperture NA | 0.3 | 0.31 | 0.25 | 0.16 | 0.15 | 0.18 | 0.17 | 0.23 | 0.19 | 0.16 | 0.21 | 0.24 | 0.14 |
| Clear apert. max. [mm] | 4.5 | 4.93 | 5.5 | 5 | 5.5 | 6.6 | 6.8 | 11.4 | 11.4 | 11.5 | 17 | 24 | 17 |
| Correction - achrom. | X | X | X | X | X | ||||||||
| 350 - 700 nm | 01 | 01 | 01 | 01 | |||||||||
| 390 - 670 nm | 33 | ||||||||||||
| 400 - 700 nm | 01 | 01 | 01 | ||||||||||
| 420 - 700 nm | 26 | 26 | |||||||||||
| 450 - 700 nm | 04 | 04 | 04 | ||||||||||
| 600 - 1050 nm | 02 | 02 | |||||||||||
| 600 - 1100 nm | 02 | 02 | |||||||||||
| 630 - 980 nm | 10 | ||||||||||||
| 630 - 1080 nm | 10 | 54 | |||||||||||
| 650 - 1050 nm | 02 | 02 | |||||||||||
| 650 - 1150 nm | 07 | ||||||||||||
| 750 - 1550 nm | 37 | 37 | |||||||||||
| 980 - 1550 nm | 08 | 08 | 08 | ||||||||||
| 1050 - 1620 nm | 03 | ||||||||||||
| 1050 - 1550 nm | 03 | 03 | 03 | ||||||||||
| 1050 - 1650 nm | 03 | ||||||||||||
| Lens Code | A7.5 | A8 | A11 | A15 | A18 | M18 | M20 | M25 | M30 | M35 | M40 | M50 | M60 |
| Focal length f' | 7.5 | 8.0 | 11.0 | 15.3 | 18.4 | 18.4 | 20.0 | 25.0 | 30.0 | 35.0 | 40.0 | 50.0 | 60.0 |
| Numerical Apperture NA | 0.3 | 0.31 | 0.25 | 0.16 | 0.15 | 0.18 | 0.17 | 0.23 | 0.19 | 0.16 | 0.21 | 0.24 | 0.14 |
| Clear apert. max. [mm] | 4.5 | 4.93 | 5.5 | 5 | 5.5 | 6.6 | 6.8 | 11.4 | 11.4 | 11.5 | 17 | 24 | 17 |
| Correction - achrom. | X | X | X | X | X |
