3-6966-39 [Discontinued]Biconcave Lens Φ30mm Focus Distance: -100mm Back Focus: -100.65mm Material: BK-7 

Features

  • Biconcave lenses have negative focal length and are used for image contraction and divergence.

Spec

  • Material: BK-7
  • Outer diameter (φmm): 30
  • Focus distance (mm): -100
  • Bag focus (mm): -100.65
  • Medium thickness (mm): 2
  • Koba meat (mm): 4.15
  • Design wavelength: 587.6nm
  • Refractive index: 1.51680/nd
  • Chamfer (45°): 0.2 - 0.5mm
  • Tolerance range
  • Outer diameter: φ+0/-0.1mm
  • Center thickness: ±0.2mm
  • Focal length: ±2%
  • Surface quality: MIL60-40
  • Eccentricity: within 3 minutes (3')
  •  
Order No. 3-6966-39
Standard price JPY: 4,000 USD: 24.89
Excange rate 1USD= 160.72JPY
Valid price in Japan
Quantity 1piece
  Discontinued
Stock in Japan -

Product Variations (Different Sizes, Specifications, Optional Products, etc.)

Product image Order No. Name Model No. Quantity Standard price Valid price in Japan Stock
[Supplier Stock]
3-6966-01 Biconcave Lens Φ5mm Focus Distance: -5mm Back Focus: -5.32mm Material: B270 TS-0257S TS-0257S 1piece JPY: 2,920 USD: 18.17

3-6966-02 Biconcave Lens Φ5mm Focus Distance: -5mm Back Focus: -5.32mm Material: BK-7 TS-0258S TS-0258S 1piece JPY: 3,390 USD: 21.09

3-6966-03 Biconcave Lens Φ5mm Focus Distance: -7.5mm Back Focus: -7.82mm Material: BK-7 TS-0258S1 TS-0258S1 1piece JPY: 3,390 USD: 21.09

3-6966-04 Biconcave Lens Φ5mm Focus Distance: -10mm Back Focus: -10.33mm Material: BK-7 TS-0258S2 TS-0258S2 1piece JPY: 3,390 USD: 21.09

3-6966-05 Biconcave Lens Φ5mm Focus Distance: -12.5mm Back Focus: -12.83mm Material: BK-7 TS-0258S3 TS-0258S3 1piece JPY: 3,390 USD: 21.09

3-6966-07 Biconcave Lens Φ5mm Focus Distance: -20mm Back Focus: -20.38mm Material: BK-7 TS-0258S5 TS-0258S5 1piece JPY: 2,900 USD: 18.04

3-6966-08 Biconcave Lens Φ5mm Focus Distance: -30mm Back Focus: -30.35mm Material: BK-7 TS-0258S6 TS-0258S6 1piece JPY: 2,900 USD: 18.04

3-6966-09 Biconcave Lens Φ5mm Focus Distance: -40mm Back Focus: -40.34mm Material: BK-7 TS-0258S7 TS-0258S7 1piece JPY: 2,900 USD: 18.04

3-6966-10 Biconcave Lens Φ5mm Focus Distance: -50mm Back Focus: -50.37mm Material: BK-7 TS-0258S8 TS-0258S8 1piece JPY: 3,390 USD: 21.09

3-6966-11 Biconcave Lens Φ10mm Focus Distance: -10mm Back Focus: -10.33mm Material: BK-7 TS-0258S9 TS-0258S9 1piece JPY: 3,740 USD: 23.27

3-6966-12 Biconcave Lens Φ10mm Focus Distance: -15mm Back Focus: -51.35mm Material: BK-7 TS-0258S10 TS-0258S10 1piece JPY: 3,740 USD: 23.27

3-6966-13 Biconcave Lens Φ10mm Focus Distance: -20mm Back Focus: -20.38mm Material: BK-7 TS-0258S11 TS-0258S11 1piece JPY: 3,740 USD: 23.27

3-6966-14 Biconcave Lens Φ10mm Focus Distance: -25mm Back Focus: -25.31mm Material: BK-7 TS-0258S12 TS-0258S12 1piece JPY: 3,500 USD: 21.78

3-6966-15 Biconcave Lens Φ10mm Focus Distance: -30mm Back Focus: -30.35mm Material: BK-7 TS-0258S13 TS-0258S13 1piece JPY: 4,090 USD: 25.45

3-6966-16 Biconcave Lens Φ10mm Focus Distance: -40mm Back Focus: -40.34mm Material: BK-7 TS-0258S14 TS-0258S14 1piece JPY: 3,500 USD: 21.78

3-6966-17 Biconcave Lens Φ10mm Focus Distance: -50mm Back Focus: -50.37mm Material: BK-7 TS-0258S15 TS-0258S15 1piece JPY: 3,500 USD: 21.78

3-6966-18 Biconcave Lens Φ10mm Focus Distance: -60mm Back Focus: -60.65mm Material: BK-7 TS-0258S16 TS-0258S16 1piece JPY: 3,500 USD: 21.78

3-6966-19 Biconcave Lens Φ10mm Focus Distance: -70mm Back Focus: -70.66mm Material: BK-7 TS-0258S17 TS-0258S17 1piece JPY: 3,500 USD: 21.78

3-6966-20 Biconcave Lens Φ10mm Focus Distance: -80mm Back Focus: -80.66mm Material: BK-7 TS-0258S18 TS-0258S18 1piece JPY: 3,500 USD: 21.78

3-6966-21 Biconcave Lens Φ10mm Focus Distance: -90mm Back Focus: -90.66mm Material: BK-7 TS-0258S19 TS-0258S19 1piece JPY: 3,500 USD: 21.78

3-6966-22 Biconcave Lens Φ10mm Focus Distance: -100mm Back Focus: -100.65mm Material: BK-7 TS-0258S20 TS-0258S20 1piece JPY: 3,500 USD: 21.78

3-6966-23 Biconcave Lens Φ20mm Focus Distance: -20mm Back Focus: -20.33mm Material: BK-7 TS-0258S32 TS-0258S32 1piece JPY: 4,090 USD: 25.45

3-6966-24 Biconcave Lens Φ20mm Focus Distance: -30mm Back Focus: -30.32mm Material: BK-7 TS-0258S33 TS-0258S33 1piece JPY: 4,090 USD: 25.45

3-6966-25 Biconcave Lens Φ20mm Focus Distance: -40mm Back Focus: -40.34mm Material: BK-7 TS-0258S34 TS-0258S34 1piece JPY: 3,500 USD: 21.78

3-6966-26 Biconcave Lens Φ20mm Focus Distance: -50mm Back Focus: -50.33mm Material: BK-7 TS-0258S35 TS-0258S35 1piece JPY: 3,500 USD: 21.78

3-6966-27 Biconcave Lens Φ20mm Focus Distance: -60mm Back Focus: -60.65mm Material: BK-7 TS-0258S36 TS-0258S36 1piece JPY: 3,500 USD: 21.78

3-6966-28 Biconcave Lens Φ20mm Focus Distance: -70mm Back Focus: -70.66mm Material: BK-7 TS-0258S37 TS-0258S37 1piece JPY: 3,500 USD: 21.78

3-6966-29 Biconcave Lens Φ20mm Focus Distance: -80mm Back Focus: -80.66mm Material: BK-7 TS-0258S38 TS-0258S38 1piece JPY: 3,500 USD: 21.78

3-6966-30 Biconcave Lens Φ20mm Focus Distance: -90mm Back Focus: -90.66mm Material: BK-7 TS-0258S39 TS-0258S39 1piece JPY: 3,000 USD: 18.67

3-6966-31 Biconcave Lens Φ20mm Focus Distance: -100mm Back Focus: -100.65mm Material: BK-7 TS-0258S40 TS-0258S40 1piece JPY: 3,500 USD: 21.78

3-6966-32 Biconcave Lens Φ30mm Focus Distance: -30mm Back Focus: -30.65mm Material: BK-7 TS-0258S41 TS-0258S41 1piece JPY: 5,140 USD: 31.98

3-6966-33 Biconcave Lens Φ30mm Focus Distance: -40mm Back Focus: -40.65mm Material: BK-7 TS-0258S42 TS-0258S42 1piece JPY: 5,730 USD: 35.65

3-6966-34 Biconcave Lens Φ30mm Focus Distance: -50mm Back Focus: -50.65mm Material: BK-7 TS-0258S43 TS-0258S43 1piece JPY: 4,670 USD: 29.06

3-6966-35 Biconcave Lens Φ30mm Focus Distance: -60mm Back Focus: -60.65mm Material: BK-7 TS-0258S44 TS-0258S44 1piece JPY: 4,670 USD: 29.06

3-6966-36 Biconcave Lens Φ30mm Focus Distance: -70mm Back Focus: -70.66mm Material: BK-7 TS-0258S45 TS-0258S45 1piece JPY: 4,670 USD: 29.06

3-6966-37 Biconcave Lens Φ30mm Focus Distance: -80mm Back Focus: -80.66mm Material: BK-7 TS-0258S46 TS-0258S46 1piece JPY: 4,670 USD: 29.06

3-6966-38 Biconcave Lens Φ30mm Focus Distance: -90mm Back Focus: -90.66mm Material: BK-7 TS-0258S47 TS-0258S47 1piece JPY: 4,670 USD: 29.06

3-6966-06 [Discontinued]Biconcave Lens Φ5mm Focus Distance: -15mm Back Focus: -15.35mm Material: BK-7  1piece JPY: 2,900 USD: 18.04

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3-6966-39 [Discontinued]Biconcave Lens Φ30mm Focus Distance: -100mm Back Focus: -100.65mm Material: BK-7  1piece JPY: 4,000 USD: 24.89

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Product Catalog

Catalog Name Page
AS ONE Catalog 2017 [Instruments for Laboratory] 696