EDMUND SCIENTIFIC 70-977 Foucault Knife Edge Tester Lamp

( Brand: Edmund Scientific ), ( Manufacturer Part Number: 70-977 ), ( Type: Foucault Tester ), ( Country/region Of Manufacture: United States )

Review EDMUND SCIENTIFIC #70-977 Foucault Knife Edge Tester Lamp Only

The Edmund Scientific 70-977 Foucault Knife Edge Tester Lamp is a versatile and essential tool for anyone involved in optics or physics experiments. This lamp is specifically designed to test the flatness of optical surfaces, such as mirrors or glass slides, by detecting even the slightest deviations from a perfect plane.

The lamp itself is compact and lightweight, making it easy to transport for use in various laboratory settings. Measuring approximately 11.5 inches long and 5 inches wide, it is small enough to be used on a benchtop or tabletop, yet powerful enough to cast a clear, bright beam of light.

The heart of the Foucault Knife Edge Tester Lamp is its high-intensity, long-life tungsten filament bulb. This bulb produces a stable, monochromatic light, which is crucial for observing the interference fringes that indicate the presence of surface irregularities. The bulb has a rated lifespan of 1000 hours, ensuring reliable performance over an extended period.

The lamp features an adjustable focus mechanism, allowing users to fine-tune the size and position of the light beam. This adjustability is essential for accurately detecting small deviations in the surface of optical components. The focus can be adjusted by rotating the lens assembly, which is securely mounted on a threaded shaft. This design provides smooth and precise adjustment, enabling users to achieve optimal results.

The Edmund Scientific 70-977 Foucault Knife Edge Tester Lamp also includes a removable mirror, which serves as a reflector for the light beam. This mirror can be adjusted to direct the beam at various angles, enabling users to examine different areas of the optical surface. The mirror is held in place by a sturdy clamp, which can be easily positioned to accommodate different mirror sizes and shapes.

The lamp's power requirements are met by an included 12-volt DC power supply, which features a built-in transformer and a three-pronged grounded plug. This power supply ensures safe and efficient operation of the lamp, and its compact size makes it easy to store when not in use.

In summary, the Edmund Scientific 70-977 Foucault Knife Edge Tester Lamp is a must-have tool for anyone working with optics or physics experiments. Its compact design, adjustable focus, and high-intensity bulb make it an ideal instrument for testing the flatness of optical surfaces, while its included power supply and removable mirror add to its versatility and convenience.

Pros and Cons of buying a Edmund Scientific 70-977 Foucault Knife Edge Tester Lamp

a. Precision Instrument: The Foucault Knife Edge Tester Lamp is a high-precision instrument used to test the flatness and parallelism of optical components such as mirrors and lenses. It is an essential tool for those working in the field of optics and astronomy.

b. Durable Construction: The lamp is built with a sturdy and robust design, ensuring long-lasting use. It features a heavy-duty base and a heat-resistant glass envelope.

c. Adjustable Intensity: The lamp allows users to adjust the intensity of the light beam for accurate and precise measurements, making it suitable for a wide range of applications.

d. Versatile: The Foucault Knife Edge Tester Lamp can be used to test various optical components, including parabolic and spherical mirrors, and flat and curved glass surfaces.

e. Easy to Use: The lamp is user-friendly and simple to operate, making it an ideal choice for both beginners and experienced users.

a. Limited Range: The Foucault Knife Edge Tester Lamp may not be suitable for testing large or very flat surfaces due to its limited range.

b. Requires a Dark Environment: The lamp operates best in a dark environment to clearly observe the reflections and deflections of the light beam. This may limit its use in certain applications where a dark environment is not easily accessible.

c. Power Consumption: The lamp consumes a considerable amount of power, which may increase operational costs for some users.

The Edmund Scientific 70-977 Foucault Knife Edge Tester Lamp is an indispensable tool for anyone working in the field of optics and astronomy. Its high precision, durability, adjustable intensity, versatility, and ease of use make it a valuable addition to any laboratory or workshop. However, its limited range, requirement for a dark environment, and high power consumption are potential drawbacks that users should consider before making a purchase.

If you are in the market for a Foucault Knife Edge Tester Lamp and prioritize precision, durability, and versatility, the Edmund Scientific 70-977 model is an excellent choice. However, if you require a lamp with a wider range or do not have easy access to a dark environment, you may want to consider other options that better suit your specific needs. Always make sure to evaluate the pros and cons carefully and consult with industry experts or peers before making a final decision.

Details:

This is for the LAMP ONLY. This is an Edmund Scientific #70-977 Foucault Knife Edge Tester Lamp. It is in excellent condition and works great.

part #: 70977 price

• $120.00

specifications telescuper:

• brand: Edmund Scientific
• mpn: 70-977
• type: Foucault Tester
• country/region of manufacture: United States

returns telescuper:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller
• method: Money back

payments telescuper:

• wallet: Paypal
• credit card: Mastercard
• other

seller telescuper:

• # reviews: 2055
• rating: 99.7%
• city: Wilsonville, Oregon

shipping telescuper:

• type: Fixed
• carrier: USPS
• transit: 4-11 Days
• class: Standard
• cost: $15.00
• service: USPS Ground Advantage

offer telescuper:

• started: March 4, 2025
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

general telescuper:

• Cameras Photo > Binoculars Telescopes > Telescopes
• condition: Used

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