D.W. Mann Co. 20µ Precision Optical Slit Aperture Spectrometer Laboratory Optics
- Auction No.:
- 16306
- Buy Now Price:
- $159.00
- Starting Bid:
- $84.5
- Location:
- Chandler, AZ - United States
- Started:
- 06/07/2026 05:54PM
- Ends:
- 06/17/2026 05:54PM
- Time Left:
-
- Shipping:
- Buyer pays shipping
- Payment:
- Personal or Cashier's Check, Money Orders, Instance Cash Wire Transfer, Cash
- Hits:
- 5
Description:
This is a precision laboratory optical slit assembly manufactured by D.W. Mann Co. The unit is marked "20µ," indicating a fixed slit width of 20 microns (0.020 mm). It is constructed from black anodized aluminum and features a precision dovetail mounting rail for integration into optical bench systems, spectrometers, monochromators, and other scientific instruments.
Applications:
- Spectroscopy
- Monochromators
- Optical bench experiments
- Laser optics
- Diffraction studies
- Scientific instrumentation
Condition:
- Slit appears straight and intact
- Moderate cosmetic scratches from laboratory use
- D.W. Mann engraving remains sharp and legible
- Dovetail mount appears undamaged
- Internal slit assembly appears complete
Suggested eBay Title:
D.W. Mann Co. 20µ Precision Optical Slit Aperture Spectrometer Laboratory Optics
Suggested Buy It Now Price:
$249.99 OBO
Notes:
The 20-micron slit is substantially finer than many general-purpose laboratory apertures and would be of interest to spectroscopy enthusiasts, optical bench builders, telescope instrument makers, and collectors of vintage scientific equipment.
This is a precision laboratory optical slit assembly manufactured by D.W. Mann Co. The unit is marked "20µ," indicating a fixed slit width of 20 microns (0.020 mm). It is constructed from black anodized aluminum and features a precision dovetail mounting rail for integration into optical bench systems, spectrometers, monochromators, and other scientific instruments.
Applications:
- Spectroscopy
- Monochromators
- Optical bench experiments
- Laser optics
- Diffraction studies
- Scientific instrumentation
Condition:
- Slit appears straight and intact
- Moderate cosmetic scratches from laboratory use
- D.W. Mann engraving remains sharp and legible
- Dovetail mount appears undamaged
- Internal slit assembly appears complete
Suggested eBay Title:
D.W. Mann Co. 20µ Precision Optical Slit Aperture Spectrometer Laboratory Optics
Suggested Buy It Now Price:
$249.99 OBO
Notes:
The 20-micron slit is substantially finer than many general-purpose laboratory apertures and would be of interest to spectroscopy enthusiasts, optical bench builders, telescope instrument makers, and collectors of vintage scientific equipment.
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Dave Schreiner (dachrein1)
Rating: (Not Rated)
Funding Member
