This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Negative 80mm
� Length – 60mm
� Width – 30mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

Photo set 1469
***MPN
***OEM Custom
***SKU*** 21498

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 10mm
� Length – 25mm (blackened edges)
� Width – 12mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

Photo set 1467
***MPN
***OEM Custom
***SKU*** 21496

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 40mm
� Length – 60mm
� Width – 15mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

Photo set 1465
***MPN
***OEM Custom
***SKU*** 21494

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 40mm
� Length – 20mm
� Width – 15mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

This lens has been mounted in a circular cell, 52mm in diameter. This cell is in turn mounted in an outer ring of 65mm diameter. The clear central aperture of the inner lens support is 18mm.

Photo set 1462

***MPN
***OEM Custom
***SKU*** 21491

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 40mm
� Length – 40mm (cut down)
� Width – 25mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

This lens is mounted in a nested ring mount. The inner ring is 54mm in diameter with a 40mm central aperture. There is a cover plate to bridge the milled gap for the lens. This cell in turn fits into another ring 60mm in diameter.

Photo set 1461
***MPN
***OEM Custom
***SKU*** 21490

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 40mm
� Length – 60mm
� Width – 20mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

This lens includes a lens mount that is 75mm square and 13mm deep. The support shelf sits 13mm above the base. The aperture dimensions are 60mm wide by 54mm tall. The recess for the lens is 60mm wide and 62mm tall. Four nylon tipped set screws serve to hold the lens in the mount.

Photo set 1460
***MPN
***OEM Custom
***SKU*** 21489

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 250mm
� Length – 60mm
� Width – 50mm
� Manufacturer – Unknown
� Part number – P-8200-60
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

Photo set 1455
***MPN P-8200-60
***OEM Custom
***SKU*** 21484

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 250mm
� Length – 60mm
� Width – 50mm
� Manufacturer – Unknown
� Part number – 39012
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

Photo set 1454
***MPN 39012
***OEM Custom
***SKU*** 21483

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 40mm
� Length – 20mm
� Width – 15mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

This lens has been mounted in a circular cell, 52mm in diameter. This cell is in turn mounted in an outer ring of 65mm diameter. The clear central aperture of the inner lens support is 18mm.

Photo set 1453
***MPN
***OEM Custom
***SKU*** 21482

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Negative 90mm
� Length – 60mm
� Width – 50mm
� Manufacturer – Unknown
� Part number – Unknown
� Glass type – BK7 ?
� Precision
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

This lens includes a plain aluminum double-ring mount. The outer ring is 3.875 inches in diameter. The lens is mounted on an inner sleeve which can be oriented within the outer sleeve and clamped. The sleeves are both 1/2 inch in thickness. The clear aperture of the inner sleeve is 65mm.

Photo set 1449
***MPN
***OEM Custom
***SKU*** 21478

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Negative 250mm
� Length – 60mm
� Width – 51mm
� Manufacturer – Melles Griot
� Part number – 01-LCN-011
� Glass type – BK7
� Low precision figure
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

This lens includes a plain aluminum double-ring mount. The outer ring is 3.875 inches in diameter. The lens is mounted on an inner sleeve which can be oriented within the outer sleeve and clamped. The sleeves are both 1/2 inch in thickness. The clear aperture of the inner sleeve is 65mm.

Photo set 1448
***MPN 01-LCN-011
***OEM Melles Griot
***SKU*** 21477

This is a plano-cylindrical lens. These lenses have a defined magnification in one direction, and perpendicular to that direction they are effectively ‘unpowered’. Cylindrical lenses find numerous applications in holography, as well as imaging elongated slits in spectrometers and monochromators.

Characteristics of this lens include:
� Focal length – Positive 100mm
� Length – 60mm
� Width – 50mm
� Manufacturer – Melles Griot
� Part number – 01-LCP-011
� Glass type – BK7
� Low precision figure
� Uncoated
� Condition – no visible defects

Please note – unless we are able to determine that a lens is a higher precision type (either by part number or by nomenclature on the lens itself) then it should be assumed that the lens has a low precision figure. When we have determined that a lens is definitely a low precision grade, then that will be stated in the lens characteristics.

This lens includes a lens mount that is 75mm square and 13mm deep. The support shelf sits 13mm above the base. The aperture dimensions are 60mm wide by 54mm tall. The recess for the lens is 60mm wide and 62mm tall. Four nylon tipped set screws serve to hold the lens in the mount.

Photo set 1447
***MPN 01-LCP-011
***OEM Melles Griot
***SKU*** 21476