01924 480777

Bigatmo Iono Sunglasses Gunmetal - Alutra Lens

Brand: Bigatmo Code: BGM0495
£184.00 (inc. VAT)
In Stock   |  Order before 3pm for same day dispatch
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Product Summary

These Bigatmo Iono sunglasses feature advanced Alutra (copper/brown) P20 photochromic lenses which have been developed using pilot feedback and thousands of hours of in-flight flight deck testing.

These Bigatmo Iono sunglasses feature advanced Alutra (copper/brown) P20 photochromic lenses which have been developed using pilot feedback and thousands of hours of in-flight flight deck testing.

  • Allow you to read instrumentation in high-contrast environments  
  • Instantly become darker in bright sunlight and lighter in shade
  • Help your eyes remain relaxed and reduce eye fatigue
  • Deliver true colour perception and landmark clarity
  • Remain comfortable for many hours whilst wearing a headset

Shape:       Iono
Frame:       Gunmetal
Lens:         Alutra (copper/brown) P20 Photochromic lens
Mirror:        Silver Gradient
Model No:   0495

Developed with pilots, for pilots: Bigatmo use flight deck testing and pilot feedback throughout our on-going development process. We produce lenses that take care of problematic high contrast environments allowing your eyes to relax, reducing eye fatigue and remain comfortable for many hours even under a headset.

How do the Bigatmo Alutra (copper/brown) P20 Photochromic lenses work? Bigatmo Alutra (copper/brown) photochromic P20 lenses are optimised for high contrast environments, such as flying and driving, where it can be extremely bright outside but where instrumentation is in deep shade. The photochromic element is activated by UV light and so rarely activates on an airliner flight deck due to the thick windscreens. UV penetration into other cockpits and car interiors depends on the screen material and the sun-lenses will activate and adjust accordingly.

Bigatmo Alutra (copper/brown) P20 Photochromic lens technology

  • Optimised for high contrast conditions such as the flight deck of an aeroplane or driving a car
  • High speed photochromic lens smoothly reacts to bright or shady conditions, keeping your eyes relaxed when you're out and about
  • Lens material composed of NXT, a lightweight and virtually unbreakable optical polymer
  • Industry leading anti-reflective, anti-scratch and omniphobic, -easy-to-clean- coatings
  • P20 photochromic material intergraded into the core of the lens so it cannot wear off
  • 100% harmful UV light blocked

Frame Technology
Strong, pure titanium fronts with beta titanium arms for comfort
Remain comfortable under a headset even after many hours
Benefit from super slim adjustable temples that stay securely & comfortably in place
Ultra-lightweight at just 20g including lenses
Adjustable soft silicone nose pads
Corrosion resistant and hypo-allergenic
Individually hand polished to give every frame a unique, beautiful natural finish

Mirror Finish

These lenses have a silver gradient mirror finish. Bigatmo gradient mirrors use a more traditional chromium compound on the top half of the lens to reduce light transmission. This reduces extreme glare 

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All prices include UK VAT.
Until Brexit negotiations are complete, all EU countries pay UK VAT
None EU Countries do not pay UK VAT but may be subject to import duty on arrival at your countries rates

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Same Day Despatch means same working day Monday to Friday excluding Bank Holiday

Flightstore will despatch your order the same working day, Monday To Friday excluding UK bank holidays  if we receive your order before 3pm.

If for any reason we cannot despatch your order within this time period we will contact you immediately to inform you of the new despatch date, if this doesn't suit you, you may cancel your order.

In the event that we can only supply part of your order we will split your order and only debit the payment from items we can despatch.


Flightstore use a variety of delivery services which you can select from at the checkout stage. From 1st Class mail to guaranteed and weekend deliveries through to international standard and express we can get your order to you in a fast and efficient way.

Returns Policy

Unwanted items returned for a refund.

Flightstore will accept any product back that is unused, unopened and in their original packaging up to 30 days after purchase. You are free to inspect the goods to make sure they meet with your requirements but products cannot be “Tried first” and then sent back as unwanted.

If a product is returned to us as unwanted but is not in 100% resaleable condition then the customer will be returned the product at our cost on such occasions

This does NOT include DVD’s or Software which cannot be returned for a refund when the seal has been broken or the package opened.

Please note: When returning goods to us it is the customer’s duty to ensure the goods are sent on an insured service. Flightstore are not liable for lost parcels when returned to us. No refund can be given unless we receive your returned goods.

Faulty items

Faulty goods will be replaced immediately within 28 days of purchase. After that perio but still within the manufacturer’s warranty faulty items will be replaced or repaired at our discretion. All products purchased from Flightstore Pilot Shop are guaranteed for a minimum of 12 months where no manufacturer’s warranties apply.

Faulty goods can only be replaced with the same product.

If a product is assessed as being damaged by the customer Flightstore will first approach the manufacturer to get permission to replace or repair the product under warranty. This does not affect your statutory rights.

Goods Returns Proceedure

Please return items to Flightstore 14, Leeds Road. Mirfield West Yorkshire WF14 0ET
Please include a copy of your sales receipt
Please state the reason for the return and instructions of what you require, ie: Straight Exchange, Exchange for another item or a refund.
We will then action your request within 3 working days

Alternatively you can contact Flightstor eon 01924 480777 to discuss ypur return