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OPTICS
Item #480. Polygon Scanner Mirror. 15 facets, each 7mm x 18mm. Has 25mm diameter central bore. Slightly used, good condition. Several available.

      $10
Scanner Polygon Mirror

Item #521.
Trihedral Retro-reflector, 75mm diameter. Originally used as 3-facet scanner mirror. Aluminized surfaces show minor abrasion.

      $15

Item #522.
 Used elliptical diagonal mirror, gold coated. 65mm minor axis x 16mm thick. Aluminum mount. Slight abrasion on gold coating.

      $15
Item #553. Helium-Neon Laser. Model 1508 "Novette." Unit manufactured in 1986 is in good working order. Includes power supply, rail mounting bolts and accessory adapter. FREE shipping in USA.

      $95

Item #523. Uncoated plano-convex lens. 60mm diameter, 60mm focal length. Mounted in aluminum tube, 70mm diameter.

      $6
Item #202. Ground Glass 3-1/2" x 4-3/8" x 1/16", ground on one side.

        $2
Item #224.  Alloy Aluminum Mirror Making Kit: Two 112mm dia x 15mm thick alloy blanks (one for mirror, one for tool) plus instructions for grinding and polishing.

      $20
Item #471. Alloy Aluminum Mirror Making Kit: Two 102mm dia x 14mm thick alloy blanks (one for mirror, one for tool) plus instructions for grinding and polishing.

      $17
Item #222. Alloy Aluminum Mirror Making Kit: Two 88mm dia x 13mm thick alloy blanks (one for mirror, one for tool) plus instructions for grinding and polishing.

      $12
Item #472. Alloy Aluminum Mirror Making Kit: Two 76mm dia x 13mm thick alloy blanks, instructions for grinding and polishing.

      $10
Item #551. Alloy Aluminum Mirror Blanks: Six (6) 32mm dia x 12mm thick alloy blanks, instructions for grinding and polishing.

      $10
Item 552. Alloy Aluminum Mirror Blanks: Six (6) 38mm dia x 12mm thick alloy blanks, instructions for grinding and polishing.

      $12
Item #211. Used achromatic lens, 12mm dia x 25 mm fl.

      $3
Item #220. Borosilicate Crown II optical glass Nd = 1.517 V64.5 Size 10" x 6.4" x 0.27" thick. Polished both sides.

      $10
Item #203. New Ramsden eyepiece lens set with mounting instructions; 50mm focal length.
 
      $4
Item #450. Used 3x28 Opera Glass with Case.

      $3
Item #565. Fresnel lens, 3in square; 3.0 in focal length. Plastic.

      $5
Item #568. Olympus 28mm focal length lens assembly w/working f-stops. No camera body mount or focus function.

      $5
Item #566. New Plano-Convex lens. 18mm diameter, 36mm focal length. AR coating.

      $5
Item #564. Optical grab bag. Typical contents as shown include optical fiber, filters, camera shutter and lens assemblies, adapter rings, lens caps and more. Several available.

      $9
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