Entocentric Lens - VCH 1.4/25
Characteristics
- manually adjustable lens with fixed focal length for C and CS mount cameras
- for close-up imaging with 2 megapixel CCD and CMOS sensors
- sharp, high-resolution, high-contrast images with minimum loss of resolution from center to corners of the image
- compact design, robust and durable
- 3 fixing screws each (plus 2 knurling screws) for focus and iris - suitable for applications with vibrations and acceleration
Technical data
| Focal length | 25 mm |
| F-number | 1.4 - 16C |
| MOD | 0.25 m |
| Sensor size (max) | 2/3" |
| Pixel size (min) | 5.39 µm |
| Resolution | 2 MPixel |
| Angle of view with: | |
| • 2/3" sensor | 19.9° x 15° x 24.8° |
| • 1/1.8" sensor | 16.3° x 12.3° x 20.2° |
| • 1/2" sensor | 14.5° x 10.9° x 18.1° |
| • 1/3" sensor | 10.9° x 8.2° x 14.1° |
| • 1/4" sensor | 7.7° x 5° x 9.2° |
| Lens length | 32.0 mm |
| Lens diameter (max) | 29.5 mm |
| Lens mount | C-Mount |
| Filter thread object-side | M27 x 0.5 |
| Weight | 55 g |
| Ambient temperature | -20°C bis +50°C |
Drawings
Dimensional drawing in mm
Accessories for Lighting - VCH 1.4/25
| Order number | Title | Description |
|---|---|---|
| Extension tubes | ||
| 2-90-415 | Extension ring 0.5 mm | 26 x 31 x 0.5 reduces the minimum object distance (MOD) |
| 2-90-416 | Extension ring 1.0 mm | 26 x 31 x 1.0 reduces the minimum object distance (MOD) |
| 2-90-410 | Extension tube set C-mount | consist of extension rings with each 0.5 mm, 1 mm, 5 mm, 10 mm, 20 mm and 40 mm |
| Lens adapter c-mount | ||
| 2-90-414 | CS to C-mount adapter 5.0 mm | for connecting C-mount lenses with CS-mount cameras, length: 5 mm |
| Neutral density filter | ||
| 2-91-256 | ND filter 3.0 M27x0.5 | optical density 3.0 - 0.1% transmission, f-stop reduction 10, filter thread M27x0.5 |
| 2-91-246 | ND filter 1.2 M27x0.5 | optical density 1.2 - 6.3% transmission, f-stop reduction 4, filter thread M27x0.5 |
| 2-91-236 | ND filter 0.6 M27x0.5 | optical density 0.6 - 25% transmission, f-stop reduction 2, filter thread M27x0.5 |
| Daylight blocking filter | ||
| 2-91-216 | IR filter M27x0.5 | long-pass filter from 830 nm, daylight absorbing filter, filter thread M27x0.5 |
| Polarising filters | ||
| 2-91-226 | Pole filter M27x0.5 | linear polarizing filter, range 420 nm - 780 nm, filter thread M27x0.5 |
| Colour filter blue | ||
| 2-91-283 | Colour filter blue M27x0.5 | band-pass filter, range 350 nm - 600 nm, filter thread M27x0.5 |
| UV Cut-Off Filter | ||
| 2-91-206 | UV blocking filter M27x0.5 | long-pass filter from 350 nm, usable as protective glass, filter thread M27x0.5 |
| Colour filter red | ||
| 2-91-265 | Colour filter red M27x0.5 | long-pass filter from 630 nm, red, filter thread M27x0.5 |
| Colour filter green | ||
| 2-91-296 | Colour filter green M27x0.5 | band-pass filter, range 430 nm - 620 nm, filter thread M27x0.5 |
| Colour filter yellow | ||
| 2-91-270 | Colour filter yellow M27x0.5 | long-pass filter from 530 nm, yellow, filter thread M27x0.5 |
| Adapters for attaching lights to lenses | ||
| 1-29-151 | Adapter ring d14 - M27x0.5 | for RK613, for attachment to lenses with filter thread M27x0.5 |
| 1-33-027 | Adapter ring d20.4 - M27x0.5 | for R-CLR-38x20, for attachment to lenses with filter thread M27x0.5 |
| 1-10-006 | Adapter ring d27 - M27x0.5 | for RK1220, for attachment to lenses with filter thread M27x0.5 |
| 1-29-670 | Adapter ring d41 - M27x0.5 | for R-CLR-69x41 and RK2036, for attachment to lenses with filter thread M27x0.5 |
