OVNI-M and OVNI-B are manufactured with the world's most efficient Astronomy grade intensifier tubes GEN3 Thin-Film White Phosphor P45. Better than military tubes, they are made to order only, ensuring the best performance. And each intensifier tube is available in FOM1800, FOM2100, FOM2400, FOM2600.
★ Astronomy grade tube is one of the many OVNI Night Vision innovations meaning that the tube has been specifically designed for astronomy.
★ GEN3 Thin-Film tube means that the tube is 3rd generation and the Thin-Film means that the thickness of the ionic film of the tube has been reduced to its maximum to increase its performance.
★ White Phosphor P45 s perfectly adapted to astronomy as it has a very natural tint (slightly bluish gray), much better than green phosphorus (delivering a greenish tint).
★ FOM (Figure of Merit) is the primary measure of performance. It is the minimum FOM because it will automatically be higher. For example a FOM1800 means that the tube will have a FOM equal to or greater than 1800. Knowing that a FOM1800 is exceptional and that a FOM2600 is simply the best, it appeared very recently, in September 2020.
Also, please note :
★ each OVNI-M and OVNI-B is delivered with a tube datasheet. FOM is not the only measurement. It will directly impact other values such as SNR, EBI, Luminous gain, Luminous Sensitivity, Limiting Resolution... Some values are more important than others so each tube is manufactured according to our own performance criterias in order to be perfectly optimized for astronomy.
★ all our tubes have 2 essential features for astronomy. The manual gain control to reduce or eliminate scintillation (mainly when using a narrow bandwidth filter) and the autogated feature to protect the tube in case of high light intensity.
★ our tubes are clean tube, meaning without visible black spot seen on the majority of the civil and military tubes.
With the help of the video below, the operation of the intensifier tube can be explained in 3 steps:
- The photons composing the ambient light (visible and near infrared) are transformed into electrons by the photocatode.
- The MCP (MicroChannel Plate) multiplies electrons by thousands. About 70,000 times more.
- The generated electrons will hit the white phosphorus and be transformed into photons in the same original alignment before passing through the eyepiece.
OVNI Night Vision creates night vision systems mainly for scientific use (space agencies, professional observatories, space domain awareness, amateur astronomy ...). We have authorizations and export permits to ship to the following countries : European Union, United Kingdom, Switzerland, Norway, United States of America, Canada, Australia, New Zealand and Japan. For specific projects, for other uses or for shipping to countries other than those listed above, please inform us before ordering.