77258 In Stock

The 77258 by Newport is a Flanged Focusing Lens Assembly, designed to facilitate precise focusing of collimated light onto a monochromator. Crafted with precision and versatility in mind, this assembly presents a 1.5-inch female flange for integration with Oriel instruments, ensuring a direct and reliable coupling. Key features of the 77258 assembly include a generous 1.38-inch clear aperture, allowing unimpeded passage of light, and the incorporation of finely tuned X and Y adjustments, each offering a range of 2 mm. This assembly serves as an alternative for applications in which a lens holder with focus adjustment, manual shutter, or integral filter holder are deemed unnecessary.

The 77258 assembly can be effortlessly rod-mounted using a 1/4-20 threaded hole, providing stability and flexibility in various setups. Furthermore, the assembly can be effortlessly configured with a spacer tube lens kit, which enables the precise focusing of collimated light into a monochromator. Conversely, it can be leveraged to accurately image the divergent output of a monochromator onto a designated detector. A highlight of the 77258 assembly lies in its F/# compatibility with the monochromator's input acceptance cone, underscoring its seamless integration and optimized performance. Moreover, the inclusion of a generously sized lens ensures the comprehensive collection of all light output from the source.