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KECK OPTICS

Quality control

Attention to optical performance, mechanical integrity and the environments in which equipment is used.

01 / THE QUALITY DISCIPLINE

Quality in the detail.
Confidence in the field.

An optical instrument depends on the integrity of its lenses, mechanical assembly and protective construction.

KECK’s riflescope quality-control programme examines how these elements respond to impact, vibration, temperature, moisture and corrosion. The focus is practical: optical alignment, component security, clear viewing and the condition of the instrument after exposure.

The programme brings mechanical and environmental testing together. The scope of testing, exposure conditions and acceptance criteria depend on the model and its specified performance requirements.

01

Optical integrity

Alignment, clarity and the condition of the optical system.

02

Mechanical reliability

Assembly security and function after mechanical exposure.

03

Environmental resistance

Protection against temperature changes, moisture and corrosion.

02 / TESTING PROGRAMME

Examined from
every perspective.

Nine areas of assessment address the mechanical and environmental demands described in the KECK riflescope quality programme.

01

MECHANICAL INTEGRITY

Shock resistance

The purpose is to evaluate whether mechanical exposure changes the instrument’s optical reference or structural condition.

Test approach

A dedicated shock-testing machine applies repeated mechanical impacts to simulate the stresses associated with recoil and external impact. The assessment considers the optical system and the security of the structural assembly.

Inspection focus

Aim-point deviation is recorded during the test programme. Inspection focuses on optical alignment, the condition of lenses and internal components, and any movement or damage within the assembly.

02

COMPONENT SECURITY

Vibration resistance

The purpose is to assess assembly security and functional integrity following repeated vibration.

Test approach

A vibration table exposes the instrument to a range of vibration frequencies representative of transport and movement. The test examines how sustained vibration affects the optical and mechanical assemblies.

Inspection focus

Components are inspected for loosening, displacement or damage after exposure. The condition of the optical system and the continued function of the mechanical assembly are considered together.

03

IMPACT RESPONSE

Drop testing

The purpose is to identify the effect of physical impact on the optical and mechanical system.

Test approach

Controlled drops onto a hard surface assess the response to accidental impact. Test height, orientation and repetition form part of the conditions specified for the instrument being assessed.

Inspection focus

After the impacts, inspection examines the housing, optical components and overall function. Optical alignment and the condition of the aiming reference are part of the assessment.

04

CORROSION RESISTANCE

Salt-spray testing

The purpose is to examine the ability of exterior materials and finishes to resist corrosive exposure.

Test approach

A salt-spray chamber creates a controlled corrosive environment. The exposure evaluates the behaviour of metal surfaces, finishes and components in conditions associated with moisture and salt.

Inspection focus

Surfaces and components are inspected for corrosion, rust and deterioration during and after the specified exposure. The assessment considers the condition of the protective finish as well as the underlying material.

05

THERMAL STABILITY

High- and low-temperature testing

The purpose is to evaluate function and structural condition within the temperature conditions specified for the model.

Test approach

Environmental chambers expose the instrument to controlled high and low temperatures. The programme examines the response of the optical and mechanical systems during the specified temperature exposure.

Inspection focus

Checks consider optical clarity and stability, the condition of structural components and continued mechanical function. Inspection also looks for deformation or damage associated with temperature exposure.

06

CONDENSATION CONTROL

Rapid temperature changes

The purpose is to examine internal optical clarity and assembly integrity when environmental temperatures change.

Test approach

The instrument is moved between controlled warm and cold environments through repeated temperature cycles. This procedure examines the effects of rapid thermal change on the optical system and protective construction.

Inspection focus

The optical system is observed for internal condensation and fogging. The assembly is inspected for changes in condition or structural failure following the temperature cycles.

07

INGRESS PROTECTION

Water-resistance testing

Water-resistance ratings describe specific test conditions. Use the individual product specification for its stated protection rating.

Test approach

Controlled immersion assesses the sealing performance of the instrument. Depth, duration and inspection requirements are defined by the test conditions applicable to the model.

Inspection focus

After exposure, inspection checks for internal water ingress and any effect on optical clarity or function. The result is assessed against the applicable product requirement.

08

PROTECTIVE CONSTRUCTION

Sealing and internal moisture control

The purpose is to examine the protective construction that supports optical clarity in changing outdoor conditions.

Test approach

The published riflescope programme includes O-ring seals and nitrogen purging as part of the protective construction. Sealing checks examine protection of the internal optical assembly against dust and moisture.

Inspection focus

Assessment focuses on sealing integrity and the condition of the internal optics. Inspection considers signs of ingress, internal moisture and fogging that could affect the view.

09

MATERIAL DURABILITY

Humidity and mould resistance

The purpose is to assess surface condition and optical performance in warm, persistently humid environments.

Test approach

A controlled mould-incubation environment exposes the instrument to high humidity, warm temperatures and mould spores. The programme evaluates treated surfaces and the protective construction during a defined exposure period.

Inspection focus

The exterior, lenses and internal optical components are observed for mould growth, corrosion or deterioration. Optical clarity and brightness are also considered after the exposure.

03 / CLEAR PERFORMANCE REQUIREMENTS

Evidence matters.
So does the specification.

A test programme and a product rating serve different purposes.

The programme explains the areas examined during quality assessment. A model’s technical specification states the operating limits and ratings relevant to that product. Testing one configuration does not establish an identical rating for every KECK product.

For a particular model, project or distribution requirement, contact KECK about the applicable test conditions and available technical documentation.

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