DAPI fluorescence filter set
DX-SET-DAPIThree-piece excitation / dichroic / emission set for DAPI and other UV-excited blue dyes.
- Exciter365/40 nm
- Emitter470/30 nm
- DichroicLong-pass 410 nm
from $480 (5+ units)$600 single unit
Lab-grade optical filters. Measured specs. About half the price of leading brands.
Fluorescence filter sets, laser-line bandpass filters and dichroic beamsplitters for research labs, universities, distributors and instrument integrators — supplied directly from an established optical-coating manufacturer in China.
Price comparison based on our 5+ unit prices vs. published list prices of the closest Semrock / Chroma parts. See equivalents.
Featured products
Our most requested parts, each shown with its typical measured transmission curve. Anything not yet published is marked “on request”.
GFP / FITC / FAM fluorescence filter set
DX-SET-GFPThree-piece set for GFP, FITC, FAM and similar blue-excited green emitters.
- Exciter470/30 nm
- Emitter525/20 nm
- DichroicLong-pass 490 nm
from $480 (5+ units)$600 single unit
TRITC / Cy3 fluorescence filter set
DX-SET-TRITCThree-piece set for TRITC, Cy3, rhodamine and similar green-excited orange emitters.
- Exciter543/20 nm
- Emitter585/20 nm
- Cross-blockingOD7
from $480 (5+ units)$600 single unit
Alexa Fluor 488 fluorescence filter set
DX-SET-A488Three-piece set optimised for Alexa Fluor 488 and spectrally similar dyes.
- Exciter480/30 nm
- Emitter527/20 nm
- DichroicLong-pass 495 nm
from $480 (5+ units)$600 single unit
ICG (indocyanine green) fluorescence filter set
DX-SET-ICGThree-piece near-infrared set for indocyanine green (ICG) imaging.
- Exciter770/50 nm
- Emitter845/50 nm
- DichroicLong-pass 800 nm
from $480 (5+ units)$600 single unit
Texas Red / ROX economy fluorescence filter set
DX-SET-TXR-ECost-effective three-piece set for Texas Red, ROX and similar red emitters.
- BlockingOD5
- Size / mounting formatStandard size
from $360 (5+ units)$445 single unit
405/10 nm laser-line bandpass filter
DX-BP405-10-25Narrow bandpass for 405 nm diode lasers — clean-up and detection channels.
- Center wavelength (CWL)405 nm
- Bandwidth (FWHM)10 nm
- Peak transmission85%
from $150 (5+ units)$260 single unit
488/10 nm laser-line bandpass filter
DX-BP488-10-25Narrow bandpass for 488 nm lasers — flow cytometry, laser clean-up and detection.
- Center wavelength (CWL)488 nm
- Bandwidth (FWHM)10 nm
- Peak transmission90%
from $150 (5+ units)$260 single unit
400/40 nm bandpass filter
DX-BP400-40-2540 nm-wide violet bandpass for excitation and detection around 380–420 nm.
- Center wavelength (CWL)400 nm
- Bandwidth (FWHM)40 nm
- Peak transmission90%
from $175 (5+ units)$285 single unit
785 nm Raman dichroic beamsplitter
DX-DI785R-25x36Long-pass dichroic for 785 nm Raman: reflects the laser line, transmits the Stokes-shifted signal.
- Laser line785 nm
- ReflectionR 99% @ 785 nm
- Transmission band805–890 nm
from $270 (5+ units)$380 single unit
685 nm long-pass dichroic beamsplitter
DX-DI685LP-25x36Long-pass dichroic at 685 nm for separating red / far-red fluorescence channels.
- Edge wavelength685 nm
- Reflection band610–660 nm
- Transmission band700–800 nm
from $105 (5+ units)$215 single unit
Curves: Typical measured transmission (manufacturer data, redrawn). Lot-specific test report supplied with each order. Custom wavelengths and sizes are quoted on request.
Why labs buy from us
A small, direct operation — you deal with the person who handles your order from quote to delivery.
Measured performance
Specifications come from the manufacturer's measurements, and each production batch ships with a factory test report.
Real measured curves
Every featured product shows its typical measured transmission curve, with the data downloadable as CSV. Lot-specific curves on request.
Fast quotes
Send the part number you use today (or the spec you need) and get a written quotation, usually within one business day.
Custom wavelengths
Need a different CWL, bandwidth, edge or size? Custom coatings and dimensions are quoted on request.
Small-quantity friendly
Single filters are welcome. Prices drop at 5+ units, and shipping is free at 5+ units or US$600+.
Clear paperwork
Proforma invoice before payment, commercial invoice and spectral data with every shipment.
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Send us the part number — we'll tell you honestly how close our equivalent is.