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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Polarizing film 100 x 100 x 0.2 mm, self-adhesive, type ST-38-20S | ScreenTech - polarizing filter linear 0°/90°, IPS polarizer, protective film on both sides, from Germany

Polarizing film 100 x 100 x 0.2 mm, self-adhesive, type ST-38-20S | ScreenTech - polarizing filter linear 0°/90°, IPS polarizer, protective film on both sides, from Germany

Product ID: 71929629

Details

Brand
ScreenTech
Material
Plastic
Photo filter thread size
0.2
Coating description
Protective on
Photo filter effect type
Polarizer
Water resistance level
Water

📏100x100x0.2 mm precision size

🌡️Stable -30°C to +80°C range

🛡️Dual protective film layers

¥5554

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Description

🛠️ Elevate your optics game with precision polarizing power!

MULTI USE MASTERY - Perfect for 3D, photography, optics, and display reflection reduction
EFFORTLESS APPLICATION - Self-adhesive backing ensures quick, bubble-free installation
VERSATILE SPECTRAL RANGE - Optimized 380-780 nm for true-to-life color and reflection control
CRYSTAL CLEAR POLARIZATION - Achieve >99.98% polarization for flawless optical clarity
DURABLE GERMAN ENGINEERING - Temperature stable from -30°C to +80°C for reliable performance

ScreenTech’s ST-38-20S polarizing film is a premium, self-adhesive linear polarizer measuring 100x100x0.2 mm, engineered in Germany. It delivers exceptional polarization (>99.98%) across a broad spectral range (380-780 nm) with high transmission (42% ±2%), protected by dual removable films. Temperature stable from -30°C to +80°C, it’s ideal for advanced lighting, optics, 3D imaging, and display reflection control, combining precision, durability, and ease of use for professionals demanding flawless optical performance.

Specifications

ASIN	B01A5PZ01I
Best Sellers Rank	243 in Photography Polarizing Filters
Brand	ScreenTech
Brand Name	ScreenTech
Coating Description	Protective film on either side - remove before use!
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 out of 5 stars 9 Reviews
Enclosure Material	Plastic
Item Dimensions L x W	10L x 10W centimetres
Item Weight	10 Grams
Manufacturer	ScreenTech
Manufacturer Part Number	ST-38-20S-1010
Material	Plastic
Media Type	Product image
Model Number	ST-38-20S-1010
Number of Pieces	1
Photo Filter Effect Type	Polarizer
Photo Filter Size	0.2 Millimeters
Photo Filter Thread Size	0.2 Millimetres
Photo filter effect type	Polarizer
Photo filter thread size	0.2 Millimetres
Screen Size	100 Millimetres
Water Resistance Level	Water Resistant
Water resistance level	Water Resistant

Reviews

D**Y

Good quality, self adhesive make this very easy to use.

12.04.2020

D**E

Four Stars

Expensive for the size. Does the job.

11.04.2018

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¥5554

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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