Would this be suitable to use inside a projector?

In principle, the filter works very well with a projector. However, the temperature should be noted. The filter can withstand a maximum of 80 ° / C. However, I cannot know exactly which filter was installed in your projector.

Would this be suitable to reduce glare from a smart phone mounted on the handlebars of a bike?

Unfortunately, this is not an application for this filter.

Do you have the same specs self-adhesive filter but for circular (not linear) polarisation?

Yes, please look for type ST-37. But only none adhesive.

Will this work on a garmen gps map 178c. Is this self adhesive?

Type ST-38-20 is non-adhesive and Type ST-38-20S is single-sided self-adhesive. The polarization axis must be found by turning the filter.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Polarizing film 100 x 100 x 0.2 mm, self-adhesive, type ST-38-20S

Product ID: 71929629

Details

Brand
ScreenTech
Coating description
Protective on
Material
Plastic
Number of items
1
Photo Filter Size
0.2
Photo filter effect type
Polarizer

📏100x100 mm precision size

🌡️Stable -30°C to +80°C

🛡️Self-adhesive easy application

5370 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🕶️ Elevate your optics game with precision polarizing power!

TEMPERATURE TOUGH - Reliable performance from freezing cold to scorching heat (-30°C to +80°C)
CUT TO FIT CONVENIENCE - Laser or scissors compatible for custom sizing on demand
EFFORTLESS INSTALLATION - Self-adhesive backing ensures quick, bubble-free application
VERSATILE SPECTRAL RANGE - Optimized 380-780 nm for true-to-life color and light control
CRYSTAL CLEAR POLARIZATION - Achieve >99.98% polarization for flawless optics

The ScreenTech ST-38-20S polarizing film is a 0.2 mm thick, self-adhesive linear polarizer measuring 100x100 mm. It delivers exceptional polarization degree (>99.98%) and high transmission (42% ± 2%) across a broad spectral range (380-780 nm). Engineered for durability, it remains stable between -30°C and +80°C, making it ideal for advanced lighting, photography, 3D projection, and optical sensor applications. Easy to customize and apply, this German-made film is a must-have for professionals demanding precision and reliability.

Specifications

ASIN	B01A5PZ01I
Best Sellers Rank	235 in Photography Polarizing Filters
Brand Name	ScreenTech
Coating Description	Protective film on either side - remove before use!
Compatible Devices	Various devices that use polarizing filters
Country of Origin	Germany
Customer Reviews	4.0 4.0 out of 5 stars (9)
Enclosure Material	Plastic
Item Dimensions L x W	10L x 10W centimetres
Item Weight	2 Grams
Manufacturer	ScreenTech
Manufacturer Part Number	ST-38-20S-1010
Media Type	Product image
Model Number	ST-38-20S-1010
Number of Items	1
Number of Pieces	1
Photo Filter Effect Type	Polarizer
Photo Filter Size	0.2 Millimeters
Photo Filter Thread Size	0.2 Millimetres
Screen Size	100 Millimetres
Water Resistance Level	Water Resistant

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