BK7 Glass Meniscus Lenses

Optical Lenses
from CRYSTECH, Inc.

Lenses have many applications ranging from the simple collection of the scanning of laser beams to precise imaging and image transfer. CRYSTECH provide these lenses for different application. Plano-convex. Positive focus length. Most suitable where one conjugate is more than five times the other,... [See More]

  • Materials: BK7 Glass; Calcium Fluoride; Zinc Selenide; Ultra-violet grade Fused Silica
  • Surface Flatness: λ/2 (optional feature); λ/4
  • Lens Application: Infrared; Visible; Ultraviolet
  • Lens Features: Mounted (optional feature)
Meniscus Lenses -- LMS-254-R515-R1000-BK7
from CASTECH, Inc.

Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request. [See More]

  • Materials: BK7 Glass
  • Surface Quality: 40-20 Scratch / Dig
  • Diameter / Length: 25.4
  • Surface Flatness: λ/4
Spheric Lens
from Foctek Photonics, Inc.

FOCtek provides five kinds of spheric lens forms, or shapes, that determine the imaging Characteristics. of the lenses, they are plano-convex, plano-concave, Double-convex, Double-concave and Meniscus. Plano-convex lens has a positive focal length, which makes it ideal for collecting and focusing... [See More]

  • Materials: BK7 Glass; Calcium Fluoride; Sapphire; H-K9, Fused Silica, N-SF10, Silicon
  • Surface Flatness: λ/4; <1.5?
  • Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
  • Lens Features: Antireflection Coating (optional feature)
Precision Meniscus Concave-Convex Lenses -- G930
from Gurley Precision Instruments

Used to change the focal length of another lens, The lens shape does not intriduce more spherical aberrations to the system [See More]

  • Materials: BK7 Glass
  • Edge Thickness: 1.4
  • Center Thickness: 4
  • Focal Length: 50
Cylindrical Lens
from Intrinsic Crystal Technology Co., Ltd. (ICC)

A cylindrical lens is typically used to focus, condense or expand incoming light. A cylindrical lens has one cylindrical surface, causing light to be focused in a single dimension or axis. It can also be used to expand the output of a laser diode into a symmetrical beam. ICC supply various kinds... [See More]

  • Materials: BK7 Glass; Calcium Fluoride; Ultra-violet grade Fused Silica; Silicon, Other
  • Diameter / Length: 1.2 to 350
  • Lens Application: Infrared; Visible; Ultraviolet
Optical Lenses -- Cylindical
from CRYSTECH, Inc.

Cylindical Lens: Used to provide focusing power in one section only. For illumination or detection of light from line sources. Also used to anamorphic compression of beams and images. [See More]

  • Materials: BK7 Glass; Calcium Fluoride; Zinc Selenide; Ultra-violet grade Fused Silica
  • Surface Flatness: λ/2 (optional feature); λ/4
  • Lens Application: Infrared; Visible; Ultraviolet
  • Lens Features: Mounted (optional feature)
Negative Meniscus Lenses -- LNS-254-R950-R459-BK7
from CASTECH, Inc.

Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request. [See More]

  • Materials: BK7 Glass
  • Surface Quality: 40-20 Scratch / Dig
  • Diameter / Length: 25.4
  • Surface Flatness: λ/4
Spherical Lens
from Intrinsic Crystal Technology Co., Ltd. (ICC)

ICC spherical technology includes PITECH, high speed and CNC method, which can meet the requirements of small quantity for precision control, and large quantity for cost. All processes are completed in the factory. Our spherical lenses are widely used in a variety of industrial and detection camera,... [See More]

  • Materials: BK7 Glass; Calcium Fluoride; Germanium; Zinc Selenide; BAF2, Silicon
  • Lens Application: Infrared; Visible
Laser Optics -- XZMV-15750350
from KENTEK Corporation

Optics are used in a wide variety of applications, including the collection of light and images and modification of laser energy through collimation, convergence, and divergence. With the many available laser wavelengths and multitude of laser applications, selecting the appropriate optics is... [See More]

  • Materials: BK7 Glass; Germanium; Sapphire; Zinc Selenide; Ultra-violet grade Fused Silica; Plastic, Quartz, Silicon