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Fluorescence Filters FAQ

  • 1. What kind of fluorescence filter you can provide? Do you offer Dual-Band Filter and Triple-Band Filter?
  • Optolong provides single-band, dual-band, and triple-band fluorescence filters for you to choices.
  • Single-Band Filter: DAPI | FITC | TRITC |Texas Red | Cy5 | FISH Aqua | FISH Green | FISH Red | FISH Orange
  • Longpass-Band FIlter sets: U | V | B | G
  • Dual-Band Filter: Dual-band FITC/TRITC | Green/Orange
  • Triple-Band Filter: DAPI-FITC-TRITC | DAPI-FITC-Texas Red
What kind of fluorescent filter can Optolong make?
Fluorescent Filter
  • 2. Can you offer long/ short pass filters and high/low pass filters beside the band-pass filers?
  • Yes, we can. Considering the image quality, however, we recommend the band-pass filters instead of the long pass filters.
  • 3. Do you accept OEM orders for fluorescence filters? What is the size range?
  • Yes, we can do the OEM order for the fluorescence filter. We work closely with our customers in design and manufacture according to their application and features. We can coat the single glass above 10000nm thickness and with a blocking range above OD5.
  • Usually, the size range for fluorescence filters is ∮3-∮77 for circles and 2.8mmx2.8mm-81mmx81mm for squares. We have provided the products with sizes of Dia50mm, Dia25mm, Dia22mm, Dia18mm, Dia12.5mm, and Dia8mm to our customers.
  • 4. What is the size you have for the fluorescence filter set? Can you provide them with other sizes?
  • We have the fluorescence filter set with Dia25mm both for the Excitation filter and Emission filter, and 25.2*35.6mm for the Dichroic mirror. This is the most common size which used in microscope.
  • Yes, we can make other sizes. Please contact us for more information.
  • 5. How to check if your filters fit my microscope?
  • Please tell us the microscope brand, model, fluorophore, light source, excitation wavelength, emission wavelength, the reflective and transmission wavelength, and if you need the filter image or not. Then we will check and find a solution for you.
  • 6. Do you provide a cube for the fluorescence filter set? Does the price you quoted include the cube?
  • The cube we provide is U-MF2, which can be used in the Olympus AX,BX,IX series.
  • The price we quoted doesn’t include the cube. For the cube price, please contact our team.
  • 7. The spectrum curves you show on the website are the measured curve or simulated curves?
  • It is a measured spectrum curve that is tested by our customers.
  • 8. What specification should I provide for the OEM order of fluorescence filter?
  • The size, spectrum specification(like wavelength, blocking range, and so on), application, quantity, and other specific requirements.
  • 9. What is the blocking range you can do?
  • We could coat on the single glass with the blocking depth above OD5, which can be detected by the instrument.
  • 10. What information should I provide for the OEM order of dichroic mirrors?

Dichroic is a little special. You shall provide the information of 50% point wavelength and the slope requirement from the highest blocking to transmission except for the reflection wavelength and transmission wavelength.

  • 11. What advantage you have compared with other competitors?
  • We offer a much better price with almost the same quality. You can find the fluorescence image that compares with one of the international famous brands which tested by our customer in this link: Feedbacks. Or contact us for more fluorescence images.
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