By NIGHTSEA
We also offer a White light head (WH) for general white light illumination and as a focusing aid for fluorescence imaging. Modular white light head: SFA-LH-WH
Includes Dual Light Head Cable and two Light Head Hangers. The Light Head Hanger system is an accessory for the NIGHTSEA Model SFA Stereo Microscope Fluorescence Adapter. It is a combination of power extension cables and a custom made holder that enables you to take the fluorescence excitation light heads off the gooseneck and mount them directly on the SFA adapter ring. In addition, it provides the capability to drive two light heads from one lamp base. The extension cables plug into the gooseneck lamp base and can bring power to either one or two light heads. The Light Head Hanger mounts to the end of any of the thumbscrews on the SFA adapter ring. It can be configured for use with either long or short working distance microscope objectives. - Long working distance (LWD) – 6.5 cm (2.5 in.) and greater - Short working distance (SWD) – 6.5 – 4.6 cm. (2.5 – 1.8 in.) Increase excitation intensity without buying a second lamp base: Without this system if you wanted to increase the fluorescence excitation intensity of the SFA you would need to buy a second light head and lamp base. This would take up additional real estate on your laboratory bench. With the Light Head Hanger system you can power two light heads from one base and mount them both directly to the NIGHTSEA adapter ring. Reduce the chance of accidentally bumping the light: Taking the light head off the gooseneck and mounting it directly to our microscope adapter ring reduces the chance of the light head being bumped so that it is not illuminating the subject on the microscope stage to best effect. This might be especially valuable if you are using the system for outreach demonstrations and multiple people will be working around the microscope. Abbreviations: DHK – Dual Hanger Kit. Cables include an adapter for attaching one end of the cable to the gooseneck lamp base. Note that if you are ordering a Dual kit to power two light heads at once for increased intensity you will need to have two light heads of the same color. Above prices do not include the cost of an additional light head. Note – The default configuration is for systems with the BNC connector on the lamp base and the light head. Cables are available for the pre-2015 V1 connector on request.
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Researchers sometimes need an infrared light source for non-intrusive observation of behavior. And sometimes the subjects are small and you need to make the observations with a stereo microscope. The SFA-LH-IR850 (Figure 1) is an 850nm light source that is compatible with the NIGHTSEA Model SFA Stereo Microscope Fluorescence Adapter. The light head plugs directly into the lamp base supplied with the SFA system (Figure 2). You can acquire the light head as a supplement to the SFA system that you already own for fluorescence observation, or you can acquire it in combination with a lamp base as a stand-alone device. The light head incorporates a high power 850nm LED and a medium beamwidth diffusing lens to create a smooth illumination area. The output is centered at 850nm with a FWHM (full width at half maximum) of approximately 50nm. There is virtually no emission at wavelengths shorter than 750nm. Figure 3 below shows a test target with circles of 2, 5, and 10cm diameter. This photograph was taken with a conventional camera under normal room light, and with the IR light head illuminated at full power, directed at the target center from a distance of approximately 10cm (4 in.). The illumination spot is not visible either to this camera or to the naked eye. Figure 4 is a photograph made under the same lighting conditions, but with a camera that had been modified to image only infrared light. Note that infrared light is not visible to the human eye and to many cameras. You will need an appropriate camera to record the observations. Part numbers: SFA-LH-IR850 – light head alone.
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The Eclipse MicroTent™ is a patented accessory for fluorescence microscopy that provides local darkness around conventional laboratory stereo microscopes while still providing easy access to the sample stage and the focus and zoom controls. You can eliminate the interference from ambient light without being tied to a dedicated darkened room, turning off overhead lights (and inconveniencing your labmates), or building makeshift structures around your microscope. You can even do fluorescence microscopy outdoors in full sun! The Eclipse MicroTent™ is fabricated from true blackout material that creates local darkness around a microscope while still providing easy access to the eyepieces, the sample stage, and the focus and zoom controls. Features - Opening for the microscope oculars with elastic sleeve to minimize light entry - Large front flap provides easy access to the sample stage and can be fastened open - Arm slots on sides provide additional access to focus and zoom controls - Folds flat for storage To deal with light entering your eyes from the side we provide two pairs of Tru-Block™ Eye Shields, one each Standard and Compact size, with each tent. We provide two sizes of feedthrough patches so that you can add penetrations for a camera port, power cords, CO2 lines, or other features as you require. Part number SFA-TENT – includes tent, eye shields, and feedthrough patches Specifications Material – Flame-resistant blackout fabric Dimensions, open – 50 x 50 x 30 cm (20 x 20 x 12 in.) (width, height, depth) Dimensions, flat – 50 x 50 x 1.3 cm (20 x 20 x 0.5 in.)
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Comprehensive solution kit. You can order individual wavelength sets, but we have configured Keyence fluorescence adapter kits that include the three most useful excitation wavelengths for varied industry applications, and that are suited to various combinations of the supported Keyence lenses. The kit price is significantly less than purchasing the items separately. Each Industry Kit includes the following items, or a subset that is suited to the particular Keyence lenses you want to outfit: - Three excitation light heads – Ultraviolet (UV), Violet (VI), and Royal Blue (RB) - Three barrier filters - Matching barrier filter glasses for each excitation wavelength - Accessory hardware for mounting the NIGHTSEA light head to the lens light input port (enhanced performance at high magnification – available only for the VH-100, -500, and -ZST) - Gooseneck lamp base with dimming control - Universal power supply – 120/240VAC, 50/60Hz, with international plug set - Packing/carrying case with custom-cut foam The part numbers for the 3-wavelength configuration depends on the Keyence lenses you want to work with: - SFA-KZB-IND – supports the VH-Z00, -Z20 - SFA-KZ100-IND – supports the VH-Z100, -Z50 - SFA-KZ500-IND – supports the VH-Z500 - SFA-KZST-IND – supports the VH-ZST - SFA-KFI-IND – supports the VHX-E20 and -E100 lenses of the Fully Integrated (FI) head We can customize other configurations as needed, and you can also select additional wavelength sets from the list above that may be of use for other applications.
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