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The NIGHTSEA DFP Dual Fluorescent Protein Flashlight is a portable, battery powered flashlight for viewing fluorescence. The NIGHTSEA DFP includes 2 switch-selected, high intensity LEDs for the excitation of fluorescence in different fluorescent proteins or other fluorophores.
A Green Fluorescent Protein (GFP) mouse, illuminated by a NIGHTSEA DFP Royal Blue LED 
A Red Fluorescent Protein (RFP) mouse, illuminated by a NIGHTSEA DFP Green LED The NIGHTSEA DFP provides a convenient and powerful tool for screening specimens and samples for two different fluorophores, and for exploring a broader range of fluorescence in the field. A rugged chassis, wrist strap and protective carry case makes the NIGHTSEA DFP an ideal solution for exploring fluorescence in the outside world.
With each NIGHTSEA DFP flashlight two pairs of NIGHTSEA Barrier Filter Glasses are also supplied, matched the excitation lights inside the flashlight. The NIGHTSEA Barrier Filter Glasses block the reflected excitation light while transmitting the fluorescence with high efficiency, providing excellent viewing contrast.
The NIGHTSEA DFP flashlight is available with a combination of any 2 of the NIGHTSEA excitation and emission combinations:
- Royal Blue (RB)
- Excitation 440-460nm
- Emission 500nm (longpass filter)
- Cyan (CY)
- Excitation 490-515nm
- Emission 550nm (longpass filter)
- Green (GR)
- Excitation 510-540nm
- Emission 600nm (longpass filter)
- Violet (VI)
- Excitation 400-415nm
- Emission 460nm (longpass filter)
- Ultraviolet (UV)
- Excitation 360-380nm
- Emission 415nm (longpass filter)
- Royal Blue (RB)
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NIGHTSEA Excitation Lights and Emission Filters Specifications
Colour Code Filter Set Excitation Emission Fluorophores 
Royal Blue (RB) 440 - 460 nm 500nm LP GFP, eGFP, fluorescein,... 
Cyan (CY) 490 - 515 nm 550 nm LP YFP, Venus,... 
Green (GR) 510 - 540 nm 600 nm LP DsRed, dTomato,... 
Violet (VI) 400 - 415 nm 460 nm LP CFP,... 
Ultraviolet (UV) 360 - 380 nm 415 nm LP CFP,... NIGHTSEA DFP Flashlight Specifications
- Dimensions
- 7.5 cm diam x 12.5 cm long (3 in. diam x 5 in. long) (excluding pistol grip)
- Battery Type
- 4 C-cell
- Bulb Type
- 2 high intensity 3W LED
- Burn Time
- 4 hours at full power
- Lamp Life
- 10,000 hours
- Dimensions
What customers think
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I am very happy with the Nightsea, it serves its purpose for us well in genotyping/phenotyping Drosophila larvae expressing fluorescent proteins. A fraction of the cost of a conventional fluorescence dissecting microscope
