This R-stand is the reflected-light only version (Type RA). It is missing one foot. Focus range is 50mm with the carrier having three interchangeable mounting positions.

Photo set 1835

***MPN 31-27-50-01
***OEM Bausch & Lomb (B&L)
***SKU*** 30044

This is a special version of the Diagnostic Instruments copy of the Bausch & Lomb ‘S-stand’. The typical 10 inch square iron base has been replaced with a plate of aluminum 24 inches square and half and inch thick. All the upper edges and corners are generously radiused. The plate has been repainted with a black enamel. The original finish was not completely removed before repainting so the resulting finish has some extra relief to it, but it is decent in appearance.

The main pillar is 24 inches tall and 1.471 inches in diameter. It includes a stop ring for supporting the cross bar block. Both the stop ring and the block are 2 inches tall so the total vertical excursion range is 20 inches.

The boom is 19 inches long and likewise, 1.471 inches in diameter. It terminates in a holder for pin-type focus drives. Total excursion of the boom is 16 inches. There is a channel on the side of the boom that the clamp screw rides in, thus preventing the boom from rotating during adjustment.

All motions work very smoothly. Diagnostic Instruments use special plastic guide bushings within the clamping block allowing very tight tolerances while preserving the sliding finish of the components.

Photo set 1819

BMI Surplus, Inc. is your best resource for microscopes and microscope components. We will work with you individually to find the perfect microscope for your application. For the most competitive pricing contact us by phone or click the purple �Ask us a question�� link above. We look forward to working with you!
***MPN
***OEM Diagnostic Instruments
***SKU*** 30028

This is a special version of the Diagnostic Instruments copy of the Bausch & Lomb ‘S-stand’. The typical 10 inch square iron base has been replaced with a plate of aluminum 24 inches square and half and inch thick. All the upper edges and corners are generously radiused. The white painted finish shows evidence of much abuse, but the actual plate itself appears to be undamaged. It would be a simple matter to refinish the base but we will leave that up to the purchaser.

The main pillar is 24 inches tall and 1.471 inches in diameter. It includes a stop ring for supporting the cross bar block. Both the stop ring and the block are 2 inches tall so the total vertical excursion range is 20 inches.

The boom is 19 inches long and likewise, 1.471 inches in diameter. It terminates in a holder for pin-type focus drives. Total excursion of the boom is 16 inches. There is a channel on the side of the boom that the clamp screw rides in, thus preventing the boom from rotating during adjustment.

All motions work very smoothly. Diagnostic Instruments use special plastic guide bushings within the clamping block allowing very tight tolerances while preserving the sliding finish of the components.

Photo set 1818

BMI Surplus, Inc. is your best resource for microscopes and microscope components. We will work with you individually to find the perfect microscope for your application. For the most competitive pricing contact us by phone or click the purple �Ask us a question�� link above. We look forward to working with you!
***MPN
***OEM Diagnostic Instruments
***SKU*** 30027

This unusual boom stand has a very thick (1.5 inch) laminated base with a steel plate inset on the under side for extreme rigidity and sustantial heft. The base is 20 inches deep and 17 inches in width. One of the feet is adjustable. The steel column is 36 inches tall and 1.312 inches in diameter. Although hollow for reduced weight, it is nonetheless very rigid.

The column includes an adjustable stop ring for supporting the outrigger boom. The boom consists of several parts. The primary section that rides on the vertical column has a four inch horizontal extension with a bore 0.875 inches in diameter. Into this is fitted an extension arm. The arm has a pin on either end 3.375 inches in length, one of which is fastened to the primary section and the other forming the terminus of the extension. The extension (without the pins) is 6.75 inches long. Interposed between the extension and the primary section is a long bar with several clamping positions (see third photo).

Condition of the stand is near-perfect � just a slight bit of wear in evidence on the clamping bar.

***MPN
***OEM Diagnostic Instruments
***SKU*** 30014

These are nice examples of the Bausch & Lomb StereoZoom 4 microscope pod that started it all. Being of the gray color, this represents the �first generation� of the instrument. It was introduced in the mid-1950s and remained in production for over 50 years with very little change.

This was by far the most popular of the StereoZoom series, with a zoom range of 0.7x to 3x Magnification can be further varied by exchanging the oculars (B&L has eyepiece pairs from 10x to 33x designed for use with the stereo pod), or by threading an auxiliary objective adapter onto the front of the pod. The later are available in various magnifications from 0.3x to 2x, but they alter the working distance of the pod. This yields a magnification range of 2.1x to 180x depending on the combination of oculars and auxiliary lenses selected.

The pods are in excellent cosmetic condition and fine optical/mechanical condition. The dust seals beneath the ocular tubes are no longer present (the earlier seals tended to dry out and crumble away). Alignment is checked and verified. The gray pods are more difficult to clean than the later generation instruments because the dust glass under the ocular tube can only be reached after complete disassembly of the pod (in later units the dust glass was easily removed for cleaning). These glasses tend to collect a film of outgassing from the lubricants used in the zoom mechanism, and in serious cases can render the pod close to useless. Internal surfaces of the dust glasses and the front objectives are cleaned (photo of pod base was taken before cleaning objectives). Zoom mechanism is relubricated to prevent image shift during zooming

Pod catalog number is 31-26-94. With standard 10x oculars (not included) the field diameter ranges from 28mm at 0.7x to 6.6mm at 3x, with a working distance of 100mm. Instrument remains in focus throughout the zoom range.

To make a complete instrument you need a focusing yoke (included with some of the simpler stand versions), a support stand, and a pair of oculars. Optional needs would include an illumination source. Inquire regarding the availability of complete systems or multiple units.

BMI Surplus, Inc. is your best resource for new, pre-owned,
recycled & refurbished microscopes and microscope components.
We will work with you individually to find the perfect
microscope for your application.

Buy online or give us a call with any questions at 781-871-8868.
We’re here ready to help you!
**Shipping & Freight fees are dependent on your location. We
will provide a freight quote to meet your individual needs and
work with you if you prefer to use your own carrier. We have 30
years of shipping sensitive scientific instruments & industrial
equipment. We ship with the utmost care!

***MPN 31-26-94
***OEM Bausch & Lomb (B&L)
***SKU*** DP043

This is the entry-level version of the classic Bausch & Lomb stereo zoom microscope �Pod�. It has a zoom range of 1x to 2.5x. Magnification can be further varied by exchanging the oculars (B&L has eyepiece pairs from 10x to 33x designed for use with the stereo pods), or by threading an auxiliary objective adapter onto the front of the pod. The later are available in various magnifications from 0.3x to 2x, but they alter the working distance of the pod. This yields a magnification range of 3x to 160x depending on the combination of oculars and auxiliary lenses selected.

These pods are in excellent cosmetic condition and exceptional optical/mechanical condition.They represent the �second generation� instruments with all metal construction with the smooth black finish on both top and base. Typically, the dust seals beneath the ocular tubes are no longer present (the earlier seals tended to dry out and crumble away). Alignment is very good. Fully cleaned and checked out for proper operation.

Pod catalog number is 31-26-93. With standard 10x oculars (not included) the field diameter ranges from 20mm at 1x to 8mm at 2.5x, with a working distance of 100mm. Instrument remains in focus throughout the zoom range.

To make a complete instrument you need a focusing yoke (included with some of the simpler stand versions), a support stand, and a pair of oculars. Optional needs would include an illumination source. Inquire regarding the availability of complete systems or multiple units.

Location MB 46-2

Photo set 474
***MPN 31-26-93
***OEM Bausch & Lomb (B&L)
***SKU*** DP041

This is the simplest version of the classic Bausch & Lomb stereo microscope �Pod�. It is not a zoom system, the initial objective magnification is fixed at 1x. Magnification can be varied by changing the oculars (B&L has eyepiece pairs from 10x to 33x designed for use with the stereo pods), or by threading an auxiliary objective adapter onto the front of the pod. The later are available in various magnifications from 0.3x to 2x, but they alter the working distance of the pod. This yields a magnification range of 3x to 66x depending on the combination of oculars and auxiliary lenses selected.

Pods are typically in excellent condition. This version represents the �third generation� instruments using all metal construction with the white top plate and black texture base. The dust seals beneath the ocular tubes are present and still pliable. Alignment is very good. Fully cleaned and checked out for proper operation.

Pod catalog number is 31-26-91. With standard 10x oculars (not included) the field diameter is 20mm, with a working distance of 100mm.

To make a complete instrument you need a focusing yoke (included with some of the simpler stand versions), a support stand, and a pair of oculars. Optional needs would include an illumination source. Inquire regarding the availability of complete systems or multiple units.

Location MB 46-1

Photo set 473
***MPN
***OEM Bausch & Lomb (B&L)
***SKU*** DP040