Performance figures are only as good as the system they were measured on:

Every lens option offered by NoxWorks meets Mil-Spec as a minimum. That's not a selling point. It's a baseline requirement. We don't stock fillers. We don't stock unknowns. If it doesn't pass, it doesn't go in a build.

That being said Mil-Spec is a floor, not a ceiling. There's a meaningful difference between a lens that clears the bar and one that significantly exceeds it. We know which side of that line our lenses sit on, and we selected them because of it.

Here's something that doesn't get said enough: When a housing manufacturer publishes ruggedness ratings, drop resistance, shock tolerance, and environmental specs, those numbers came from a specific test. A test run with specific optics installed. The housing and lens were validated together, as a complete unit. Swap the optics, and those figures no longer apply to your device. You're not running a tested system anymore. You're running on an assumption.

This is why we fit manufacturer-recommended lens pairings as standard. Not because it's easier. Not because there's more margin in it. Because fitting anything else would mean quoting you performance figures we can't technically stand behind. 

The pairings we use, and most importantly why:

Steele Ind "Nighthawk" housings → Steele Ind/MBS Optics U.L.R optics:

When selecting a Nighthawk housing the aim is for ruggedness above all else. And their U.L.R lenses (OEM by MBS optics) are built to the same standard. Aluminium construction, designed as part of the same system. Pairing a Steele housing with anything other than Steele's optics defeats the point. 

Current disclosable performance metrics from Steele:

*Please note these metric tables are direct from the represented manufacturers and may be listed/reported, have extra testing or be in a different format to others*

EYEPIECE TECHNICAL SPECIFICATIONS

OBJECTIVE TECHNICAL SPECIFICATIONS

Nocturn Industries housings → RPO 4.0 optics:

   Nocturn Industries products are among our best-selling housings and for good reason. They represent an exceptional balance of quality, reliability, and value that keeps them at the top of our recommendations. When it came to selecting a lens pairing, we wanted to match that with what we consider the best option on the market: the RPO 4.0 Ocular/3.0 Objective.

   That opinion isn't without backing. The RPO 4.0/3.0 pairing are the lenses selected for the Vyper PRO/PVS-33. A goggle supplied by Photonis defense for the Binod contract with a value of ~$352million one of the most significant night vision procurements in recent years.

When procurement at that level selects a pairing, it's the result of rigorous testing, validation, and confidence. We share that confidence, this is the pairing we stand behind for our Nocturn Industries systems.

Current disclosable performance metrics from RPO:

*Please note these metric tables are direct from the represented manufacturers and may be listed/reported, have extra testing or be in a different format to others*

Noctis Technologies housings → Noctis/Fujinon optics:

Noctis Tech bring over 30 years of battle-tested development to their housings, with a reputation for industry-leading quality. But the most straightforward reason we pair Noctis housings with Noctis/Fujinon optics is simply this: Noctis developed both. The housing and the lens come from the same manufacturer, engineered together, tested together, and built to the same exacting standards. There's no guesswork about compatibility, no tolerance mismatch, no performance uncertainty. It's the obvious choice.

What this achieves:

This is what underpins our warranty and servicing package. Every NoxWorks system is built to a known standard, with OEM-recommended components and a clear testing pedigree behind it. We know what each device is rated to because we built it the way it was designed to be built. That certainty is what allows us to offer the warranty and servicing cover we do. No caveats. No small print about third-party components. We can stand behind it completely because we didn't cut corners getting there.

When it comes to performance differences between these three pairings in operational reality, you're splitting hairs. All three will deliver outstanding results in the field. Chasing marginal comparisons between them is a distraction.

Once you've established which system fits your needs as a whole, only two questions actually matter:

What image intensifier tube suits my requirements? What phosphor colour do I prefer?