BP625-30 Bandpass Filter(CWL=625nm,FWHM=30nm)
BP625-30 Bandpass Filter(CWL=625nm,FWHM=30nm)
PN:SO3014395
In Stock.
Ships within 5 working days of order.
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- Wavelength: Center wavelength 625nm with 30nm FWHM for broadband orange-red visible spectrum (610-640nm)
- Spectral Features: High transmission with broadband coverage optimized for multi-fluorophore imaging, red fluorescence, and wide-spectrum applications
- Optical Density: OD>6 blocking ensures exceptional out-of-band rejection and signal isolation for precision applications
- Filter Dimension Availability: Available in multiple unmounted and mounted configurations for flexible integration
Transmission & OD Data
Transmission & OD Data
The transmission curve is typical. Actual data may vary from lot to lot, you can request the raw Transmission and OD data from us.
Copy the link of the product page and send email to shop@syronoptics.com to get raw data.
Shipment & Delivery
Shipment & Delivery
For stocked products, shipment will usually be made within 5 working days after order.
For customized products, shipment will usually be made within 4-8 weeks after order.
Return & Refund
Return & Refund
Stocked Product are eligible to return within 7 days after receiving.
A flat rate of 35$ will be charged for returning.
Custom Sizing
Custom Sizing
Custom sizing is available for dimension under 60x60mm. For custom cut size, contact shop@syronoptics.com when ordering.
Packaging
Packaging
If you need generic packaging, please leave "Generic" in the note when placing order.
In such case:
- No Branding information in Packaging Materials
- All Documentation will be generic
- We will send image of the parcel to you before fulfilling shipment
- You can use your document template for the shipment.
Feel free to contact shop@syronoptics.com for details.
Payment
Payment
Payment could be done online with Credit Card, Apple Pay, Google Pay, Wechat Pay and Alipay
For amount under $200 you can request to make payment within 7days after receiving the order.

| Part Number | |
|---|---|
PN |
SO3014395
|
| Optical Specification | |
Center Wavelength |
625nm
|
FWHM |
30nm
|
Optical Density |
OD6@200-900nm
|
-
BP625-30 Bandpass Filter - Machine Vision & Industrial Inspection
Machine Vision & Industrial Inspection
This filter is designed to increase contrast. It makes red objects appear bright white to the camera while making other colors (green, blue) appear jet black.
- Barcode/OCR Reading: Reading red ink codes on white paper or laser-etched codes on metal.
- Semiconductor Wafer Inspection: Inspecting photoresist layers that are sensitive to shorter wavelengths (blue/UV).
- Defect Detection: Detecting rust (red/orange) on steel parts.
Recommended Light Sources
- Red LED: This is the standard "Red" LED wavelength. The filter matches the LED output curve almost perfectly.
- Red Diode Laser: This is on the upper edge of the filter's bandwidth (640 nm cutoff). If the light enters at an angle, the filter will "blue shift" and might block this laser. Use 625 nm lasers instead.
- Orange-Red LED: Fits well within the bandwidth; often used for specific color separation tasks.
-
BP625-30 Bandpass Filter - 3D Profilometry & Laser Triangulation
3D Profilometry & Laser Triangulation
- Used in front of a camera to detect a red laser line projected onto an object while blocking out overhead factory lighting or sunlight.
Recommended Light Sources
- 625 nm Red Laser Line Generator
Fequently Asked Questions
What are the Thickness of the Optical Filters?
For standard mounting (mounted,non-thread):
- 3.5mm (by default)
- 6mm (by request)
For unmounted Optics:
- 0.5mm
- 1.1mm
- 2mm
(most of the unmounted optics are having thickness of 1.1mm ~ 2mm)
What is the difference between mountings?
Unmounted:
- a bare glass optical filter
Mounted:
- Smooth Mount for protection of the optics. No thread is there on the mount.
Metric Mount:
- Start with M as prefix, usually seens as M25.5x0.5mm. Mostly used as camera filters
Imperial Mount:
- Start with SM as prefix, usually seen SM1, SM05 etc... Mostly used in Optical system. (You will have a SM external thread to connecting to other objects)
C-Mount:
- Very frequently used mounting. C-Mount is 1‘’-32TPI. And it is not the same thing as SM1, or M25.5x0.5mm.
-
dia12.5mm(unmounted)
Clear Aperture:
>90%
Mounting Thickness:
n.a
Internal/External Thread:
n.a/n.a
-
dia12.5mm(mounted)
Clear Aperture:
dia9mm
Mounting Thickness:
3.5mm
Internal/External Thread:
n.a/n.a
-
dia25mm(mounted)
Clear Aperture:
dia21mm
Mounting Thickness:
3.5mm
Internal/External Thread:
n.a/n.a
-
dia25mm(unmounted)
Clear Aperture:
>90%
Mounting Thickness:
n.a
Internal/External Thread:
n.a/n.a
-
SM05(0.535″-40TPI)
Clear Aperture:
dia9mm
Mounting Thickness:
7.62mm
Internal/External Thread:
SM05/SM05
-
SM1(1.035″-40TPI)
Clear Aperture:
dia21mm
Mounting Thickness:
7.62mm
Internal/External Thread:
SM1/SM1
-
C-Mount(1″-32TPI)
Clear Aperture:
dia21mm
Mounting Thickness:
Internal/External Thread:
C-Mount/C-Mount
-
M25.5x0.5mm(mounted)
Clear Aperture:
dia20.5mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M25.5x0.5mm/M25.5x0.5mm
-
M27x0.5mm(mounted)
Clear Aperture:
dia22mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M27x0.5mm/M27x0.5mm
-
M30.5x0.5mm(mounted)
Clear Aperture:
dia25.5mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M30.5x0.5mm/M30.5x0.5mm
-
M34x0.5mm(mounted)
Clear Aperture:
dia29mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M34x0.5mm/M34x0.5mm
-
M35.5x0.5mm(mounted)
Clear Aperture:
dia30.5mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M35.5x0.5mm/M35.5x0.5mm
-
M37x0.5mm(mounted)
Clear Aperture:
dia32mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M37x0.5mm/M37x0.5mm
-
M52x0.75mm(mounted)
Clear Aperture:
dia47mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M52x0.75mm/M52x0.75mm
-
M55x0.75mm(mounted)
Clear Aperture:
dia50mm
Mounting Thickness:
6.5mm
Internal/External Thread:
M55x0.75mm/M55x0.75mm
-
dia27mm(unmounted)
Clear Aperture:
>90%
Mounting Thickness:
n.a
Internal/External Thread:
n.a/n.a
-
dia34mm(unmounted)
Clear Aperture:
>90%
Mounting Thickness:
n.a
Internal/External Thread:
n.a/n.a