Remember the Lehman Scientific special Back Room Surplus 10-day right-of-return policy. Your satisfaction is guaranteed. (See complete details on the Order Form)

150mm dia. Zinc Selenide Filter in J.A. Noll NGM-6M micrometer adjust two-axis Filter Holder. (Inv #7742) Very large ZnSe filter. The filter holder has micrometer adjustment for the X and Z axes. Although we have inspected this filter and find it to be in very good used condition (there are a few very tiny scratches in the coating), it is sold as subject to your inspection. Please handle the filter by normal optics best-practice procedures in case it must be returned. Checked, guaranteed. Price: $1395.00

5901-A-0008, 6-inch diameter Optical Flat from GE Space Division, manufacturer unknown, flatness unknown. (Inv #8741) 6" dia. X 3/4" mirrored one side optical flat. Coating: AlSiO. Serialized. 3 or 4 very small scratches on one part of the surface, otherwise, near perfect. No further information available. Subject to your inspection. Price: $500.00

CTS Valpey P/N 11500 manufactured for General Electric Space Div. (Inv #8740) 2 each- 2 inch dia. X approx. 3/16" thick mirrors coated for maximum reflectance at 2900 to 3300 Angstroms. Both are in unopened envelopes but were manufactured in 1973, so they are subject to your inspection. Includes original scanning spectrophotometer readout. Unused surplus. Not available for export. Price: $75.00

CTS Valpey Mirror manufactured for General Electric Space Div. (Inv #8738) 1 each- 2 inch dia. by approx. 3/16" thick mirror coated for 80% R/5% T from 2600 to 4300 Angstroms. Unopened but manufactured in 1973, so it is subject to your inspection. Includes original scanning spectrophotometer readout. Unused surplus. Not available for export. Price: $65.00

CTS Valpey Mirror manufactured for General Electric Space Div. (Inv #8739) 1 each- 2 inch dia. by approx. 3/16" thick mirrors coated for 80% R/5% T from 6500 to 8000 Angstroms. Unopened but manufactured in 1973, so it is subject to your inspection. Includes original scanning spectrophotometer readout. Unused surplus. Not available for export. Price: $65.00

II-VI, Inc. ZnSe Window. (Inv #8737M3, three available) 1.1" diam. by .240 thick. Plano/Plano, High Ref./Uncoated @ 10.6um, Serialized. Unused surplus. Price: $125.00

Mirror Base for 6" mirror. (Inv #8571) Vertical mirror base with no adjustments. 7" X 4" X 1/2" base, black anodized aluminum. 4 ea 1/4" diameter mounting holes offset from side to side- 6" from centerline to centerline, one side 3" between hole ctrs, other side, 2" between hole ctrs. Mirror Height is approx. 4" from bottom of base to centerline of mirror. Manufacturer unknown. Edmund Scientific first-surface mirror is included and is gold colored and flat. Mirror measures 6" diameter X 1" thick, may be an optical flat, but no further information is available. Price is based on mount alone. Mount is in excellent used condition, checked, guaranteed. Price: $75.00

Mount for 1" mirror. (Inv #8569) Vertical mirror base with no adjustments. 3" X 3" X 1/2" base, black anodized aluminum. 4 ea 1/4" diameter mounting holes offset are in a square pattern, the centerline is offset from the plane of the mirror mount by approx. 7 degrees. Hole pattern is 2" ctr-ctr. Center of mounting hole is approx. 4" from bottom of base to the centerline of the mounting hole. Mount is in excellent used condition, checked, guaranteed. Price: $10.00

Mount for 8" X 3" plate or lens. (Inv #8568) Vertical mount with no adjustments. 9-1/2" X 5-1/2" X 1/2" base, black anodized aluminum. 6 ea 1/4" diameter mounting holes, hole pattern is square to the mount surface. Center of mounting hole is approx. 3" from bottom of base to the centerline of the mounting hole. Mount is in excellent used condition, checked, guaranteed. Price: $20.00

Optical Coating Laboratory Inc. (General Electric P/N 47B237445-P3) Thermal Control Mirrors. (Inv #8733) First-surface mirrors are rectangular, about 1/2" X 1" and about 0.010" thick. Box contains about 90 pieces. Great for hobby use. Unused surplus. Not available for export. Price: $50.00

Optical Coating Laboratory Inc. (General Electric P/N 47B237445-P5) Thermal Control Mirrors. (Inv #8734) First-surface mirrors are about 1" X 1" square, with a corner cut out (see picture), and about 0.010" thick. Box contains about 55 pieces. Great for hobby use. Unused surplus. Not available for export. Price: $50.00

Oriel 4" Kinematic Mirror Mount. (Inv #8570) Features: 2 precision adjustment screws w/knobs, 5" X 5" X 1/2" base, black anodized aluminum. Various mounting holes and slots. First-surface mirror is included and appears to be in good condition, but we have no data on the mirror. Pricing is based on the mount alone. Mount is in excellent used condition, checked, guaranteed. Price: $150.00

Spawr Optical Research Cat. #ICu-001 OFHC Copper Mirror. (Inv #) This non-coated, optically flat mirror is designed for medium and long-wave IR high-energy lasers. This one is Industrial Grade. Specifications: Reflectivity: 99% @ 10.6 m, Surface Accuracy: l/10, Surface Smoothness: 45A rms, Material: High Purity Copper. This mirror is in the original sealed box, however, the plastic wrapping had deteriorated. The mirror shows light tarnish and may need to be polished. It has never been touched or damaged. Although we have inspected this mirror and believe it will be in excellent condition when it is polished, it is sold as subject to your inspection. If you feel it cannot be polished it can be returned. Please handle the mirror by normal optics best-practice procedures in case it must be returned.Unused surplus, guaranteed. Price: $45.00