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Knight Optical offer a range of Stock Achromatic Doublet Lenses for use within Holography. Holography can be said to be a photographic recording of a light field, like an audio recording. This recording is typically 3 dimensional and does not require the use of any special equipment e.g. glasses or headset to view. These images are produced using laser light which are passed through a recording medium which “records” the depth an arrangement of the final image. Achromatic Doublets are used in holographic systems & correct for chromatic aberrations which exist in singlet lenses. This is when different wavelengths of light refract at different rates. The doublet lens helps to correct this by facilitating the focusing of the light to the same point. In holographic systems the aim is to form an image which is as close to real life as possible. Therefore, it is critical for the image to be as clear as possible and free from distortions and aberrations. Read PDF for more info

Tensor has extensive experience in installing CCTV surveillance and commissioning comprehensive video management solutions for large multi-site facilities. We can integrate CCTV surveillance into other security systems including automatic number plate recognition (ANPR), access control and facial recognition to name a few, in order to enhance and improve the security and efficiency at your site.

Our Storacall-ST call recorder is highly featured, cost effective and reliable, providing you with a call recording solution capable of connecting to 100’s of channels per box. Storacall have been trading for over 50 years, because of this we understand the issues you face and we are here to help you every step of the way. Storacall-ST has been developed using our vast experience and understanding of the telecommunications market and the various telephone systems which are available, as such, our solution can integrate to analogue trunks / extensions, analogue and IP radio channels, IP trunks, SIP trunks, Basic Rate ISDN, Primary Rate ISDN, hosted telephony and the majority of digital, IP and SIP handsets currently available.