Positive Optics

Positive Optics A good price and professional optical manufacturer with ISO9001 certificate, supplying optical lens, filter, prism, window, mirror and coating

29/09/2026

The optics passed inspection… so why did the system still fail?

A common situation in optical projects:

βœ… Size is correct
βœ… Surface quality is acceptable
βœ… Coating is tested

But after assembly, performance is still not right.

Why?

Because optical performance depends on more than one specification.

Possible causes include:

πŸ”Ή Incomplete requirements
πŸ”Ή Wrong coating conditions
πŸ”Ή Mounting stress
πŸ”Ή Alignment issues
πŸ”Ή Tolerance accumulation

A component can be manufactured correctly and still not be the best match for the final system.

The key is not only making optics that pass inspection.

The key is making optics that work in the application.

🌐 www.positiveoptic.com
πŸ“§ [email protected]

❀️ ❀️ ❀️ WARM MID-AUTUMN FESTIVAL GREETINGS!!!Please be advised that we will be observing a 3-day holiday in China for t...
25/09/2026

❀️ ❀️ ❀️ WARM MID-AUTUMN FESTIVAL GREETINGS!!!

Please be advised that we will be observing a 3-day holiday in China for the Mid-Autumn Festival from 25th to 27th, Sep.

🌍 www.positiveoptic.com
πŸ’Œ [email protected]

23/09/2026

Two optical components can look identical β€” so why is one more expensive? πŸ‘€

Same size.
Same shape.
Sometimes even the same material.

But the price can still be very different.

Why?

Because optical component cost is influenced by much more than dimensions.

πŸ”Ή Material grade
πŸ”Ή Surface quality
πŸ”Ή Coating specification
πŸ”Ή Dimensional tolerances
πŸ”Ή Flatness & wedge
πŸ”Ή Inspection requirements
πŸ”Ή Quantity
πŸ”Ή Packaging & delivery

For example, a 60-40 surface quality requirement is not the same as 20-10. A standard AR coating is not automatically suitable for every wavelength. And Β±0.01 mm tolerance is a very different manufacturing requirement from Β±0.05 mm.

So when comparing optical quotations, don't compare the price alone.

Compare the specifications behind the price.

Sometimes you can reduce cost not by accepting lower quality, but by removing requirements that your application doesn't actually need.

That's where understanding the application makes a difference.

Positive Optics supports custom optical lenses, windows, filters, prisms and mirrors for OEM applications.

🌐 www.positiveoptic.com
πŸ“§ [email protected]

14/09/2026

5 Common Mistakes When Ordering Custom Optical Components

Ordering custom optics is not just about sending a drawing and waiting for a quotation.

Many problems come from misunderstandings before production.

Common mistakes include:

❌ Choosing the tightest specification instead of the right one
❌ Not explaining the real application
❌ Treating coating as a simple requirement
❌ Comparing suppliers only by price
❌ Solving problems after production starts

A reliable optical supplier can help you:

βœ… Select suitable specifications
βœ… Avoid unnecessary costs
βœ… Reduce production risks
βœ… Improve project efficiency

The best optical component is not always the most expensive one.

It is the one that fits your application.

🌐 www.positiveoptic.com
πŸ“§ [email protected]

08/09/2026

πŸ’° How can you reduce optical component cost without sacrificing performance?

Many customers think:

β€œHigher specification = Better optics”

But this is not always true.

The biggest cost factors include:

πŸ”Ή Overly tight tolerances
πŸ”Ή Unnecessary surface quality requirements
πŸ”Ή Expensive materials
πŸ”Ή Complex coatings
πŸ”Ή Small production quantities
πŸ”Ή Additional inspection requirements

A good optical supplier can help you choose:

βœ… The right material
βœ… The right tolerance
βœ… The right coating
βœ… The right specification

The goal is not the most expensive optic.

The goal is the best optical solution for your application.

🌐 www.positiveoptic.com
πŸ“§ [email protected]

Why do optical components from different suppliers have different prices?Many customers compare quotations and wonder:β€œW...
31/08/2026

Why do optical components from different suppliers have different prices?

Many customers compare quotations and wonder:

β€œWhy is one supplier much cheaper than another?”

The difference may come from:

πŸ”Ή Optical material
πŸ”Ή Surface quality requirements
πŸ”Ή Flatness tolerance
πŸ”Ή Component size and complexity
πŸ”Ή Optical coating
πŸ”Ή Quantity
πŸ”Ή Inspection requirements

A lower price does not always mean a better deal.

The right supplier helps you choose the correct specifications, avoid unnecessary costs, and reduce production risks.

For custom optics, understanding the requirements is just as important as manufacturing.

🌐 www.positiveoptic.com
πŸ“§ [email protected]

Looking for a Custom Optical Supplier? Ask These 7 Questions First.Don't choose an optical supplier based on price alone...
26/08/2026

Looking for a Custom Optical Supplier? Ask These 7 Questions First.

Don't choose an optical supplier based on price alone.

Before ordering custom lenses, windows, filters, mirrors, or prisms, ask:

πŸ”Ή Can you manufacture from my drawing?
πŸ”Ή Can you recommend more practical specifications?
πŸ”Ή Can you provide the right optical material?
πŸ”Ή How do you inspect quality?
πŸ”Ή Can you customize the coating?
πŸ”Ή What if my specification is difficult to manufacture?
πŸ”Ή Can you support prototypes and small quantities?

A good supplier should do more than manufacture your drawing.

They should help you understand the specifications, identify potential problems, control cost, and reduce production risk.

The cheapest quote isn't always the cheapest solution.

🌐 www.positiveoptic.com
πŸ“§ [email protected]

Do you know how to read an optical drawing?An optical component is not defined only by its shape and material.Important ...
17/08/2026

Do you know how to read an optical drawing?

An optical component is not defined only by its shape and material.

Important specifications include:

πŸ”Ή Material
πŸ”Ή Surface Quality (60-40, 40-20, 20-10)
πŸ”Ή Surface Roughness (Ra/RMS)
πŸ”Ή Flatness (Ξ»/4, Ξ»/10)
πŸ”Ή Radius of Curvature
πŸ”Ή Thickness Tolerance
πŸ”Ή Centration
πŸ”Ή Coating
πŸ”Ή Clear Aperture
πŸ”Ή Wedge

Each parameter can affect:

✨ Optical performance
✨ Assembly accuracy
✨ Manufacturing cost

The best optic is not always the most precise one.

It is the right one for your application.

🌐 www.positiveoptic.com
πŸ“§ [email protected]

11/08/2026

Do you know the difference between Surface Quality and Surface Roughness?

Many people confuse them, but they describe different things.

πŸ”Ή Surface Quality (60-40, 20-10)
β†’ Measures visible defects like scratches and digs

πŸ”Ή Surface Roughness (Ra, RMS)
β†’ Measures microscopic surface texture after polishing

Both can affect optical performance, especially in:

✨ Laser systems
✨ Precision imaging
✨ High-performance optics

Choosing the right specification is more important than simply choosing the smallest number.

🌐 www.positiveoptic.com

Why does optical coating matter?Even a high-quality optical component can lose performance without the right coating.Dif...
04/08/2026

Why does optical coating matter?

Even a high-quality optical component can lose performance without the right coating.

Different coatings have different purposes:

πŸ”Ή AR Coating
β†’ Reduce reflection and increase transmission

πŸ”Ή BBAR Coating
β†’ Maintain high transmission across a wider wavelength range

πŸ”Ή HR Coating
β†’ Maximize reflection for mirrors and laser systems

The correct coating depends on:

βœ” Wavelength
βœ” Application
βœ” Performance requirements
βœ” Operating environment

The best coating is not always the most expensive one.

It is the right one for your system.

🌐 www.positiveoptic.com

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No. 218, Yuandadajie
Changchunling
130000

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