3-6938-21 Biconcave Lens Φ20mm Focus Distance: -50mm Back Focus: -50.34mm TS-0345Q34
Features
- This optical lens having negative focal length is mainly used for minification of image and light diverging.
- This is also used for extending focal length in the optimal system.
- This product is mainly used as projector lens.
- Made of quart, this product offers high transmittance in all regions from ultraviolet region to infra red ray wavelength region（approx. 900n*m*）.
- Its low thermal expansion coefficient ensures excellent heat resistance.
Spec
- Outer diameter (φmm): 20
- Focus distance (mm): -50
- Bag focus (mm): -50.34
- Medium thickness (mm): 1
- Koba meat (mm): 3.11
- Material: Synthetic quartz
- Design wavelength: 587.6nm
- Refractive index: 1.45850/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')
Package size：210×140×110 mm 300 g [About Package size]
| Order No. | 3-6938-21 | |
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| Model No. | TS-0345Q34 | |
| Standard price |
JPY: 16,400
USD: 102.80
Excange rate 1USD= 159.53JPY
Valid price in Japan |
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| Quantity | 1piece | |
| Stock in Japan |
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| Supplier Stock |
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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] |
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3-6938-01 | Biconcave Lens Φ5mm Focus Distance: -5mm Back Focus: -5.34mm TS-0345Q | TS-0345Q | 1piece | JPY: 9,920 | USD: 62.18 |
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3-6938-02 | Biconcave Lens Φ5mm Focus Distance: -10mm Back Focus: -10.35mm TS-0345Q2 | TS-0345Q2 | 1piece | JPY: 9,920 | USD: 62.18 |
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3-6938-08 | Biconcave Lens Φ10mm Focus Distance: -10mm Back Focus: -10.35mm TS-0345Q9 | TS-0345Q9 | 1piece | JPY: 15,200 | USD: 95.28 |
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3-6938-17 | Biconcave Lens Φ10mm Focus Distance: -100mm Back Focus: -100.67mm TS-0345Q19 | TS-0345Q19 | 1piece | JPY: 11,700 | USD: 73.34 |
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3-6938-18 | Biconcave Lens Φ20mm Focus Distance: -20mm Back Focus: -20.34mm TS-0345Q31 | TS-0345Q31 | 1piece | JPY: 21,000 | USD: 131.64 |
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3-6938-21 | Biconcave Lens Φ20mm Focus Distance: -50mm Back Focus: -50.34mm TS-0345Q34 | TS-0345Q34 | 1piece | JPY: 16,400 | USD: 102.80 |
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3-6938-22 | Biconcave Lens Φ20mm Focus Distance: -100mm Back Focus: -100.67mm TS-0345Q39 | TS-0345Q39 | 1piece | JPY: 16,400 | USD: 102.80 |
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3-6938-24 | Biconcave Lens Φ30mm Focus Distance: -40mm Back Focus: -40.69mm TS-0345Q41 | TS-0345Q41 | 1piece | JPY: 24,500 | USD: 153.58 |
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3-6938-26 | Biconcave Lens Φ30mm Focus Distance: -100mm Back Focus: -100.67mm TS-0345Q47 | TS-0345Q47 | 1piece | JPY: 23,400 | USD: 146.68 |
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3-6938-03 | ［Discontinued］Biconcave Lens Φ5mm Focus Distance: -15mm Back Focus: -15.34mm | 1piece | JPY: 8,500 | USD: 53.28 |
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3-6938-04 | ［Discontinued］Biconcave Lens Φ5mm Focus Distance: -20mm Back Focus: -20.34mm | 1piece | JPY: 8,500 | USD: 53.28 |
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3-6938-05 | ［Discontinued］Biconcave Lens Φ5mm Focus Distance: -30mm Back Focus: -30.34mm | 1piece | JPY: 8,500 | USD: 53.28 |
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3-6938-06 | ［Discontinued］Biconcave Lens Φ5mm Focus Distance: -40mm Back Focus: -40.36mm | 1piece | JPY: 8,500 | USD: 53.28 |
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3-6938-07 | ［Discontinued］Biconcave Lens Φ5mm Focus Distance: -50mm Back Focus: -50.34mm | 1piece | JPY: 8,500 | USD: 53.28 |
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3-6938-09 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -20mm Back Focus: -20.34mm | 1piece | JPY: 12,000 | USD: 75.22 |
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3-6938-10 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -30mm Back Focus: -30.34mm | 1piece | JPY: 11,000 | USD: 68.95 |
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3-6938-11 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -40mm Back Focus: -40.36mm | 1piece | JPY: 10,000 | USD: 62.68 |
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3-6938-12 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -50mm Back Focus: -50.34mm | 1piece | JPY: 10,000 | USD: 62.68 |
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3-6938-13 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -60mm Back Focus: -60.7mm | 1piece | JPY: 10,000 | USD: 62.68 |
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3-6938-14 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -70mm Back Focus: -70.68mm | 1piece | JPY: 10,000 | USD: 62.68 |
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3-6938-15 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -80mm Back Focus: -80.72mm | 1piece | JPY: 10,000 | USD: 62.68 |
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3-6938-16 | ［Discontinued］Biconcave Lens Φ10mm Focus Distance: -90mm Back Focus: -90.7mm | 1piece | JPY: 10,000 | USD: 62.68 |
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3-6938-19 | ［Discontinued］Biconcave Lens Φ20mm Focus Distance: -30mm Back Focus: -30.34mm | 1piece | JPY: 18,000 | USD: 112.83 |
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3-6938-20 | ［Discontinued］Biconcave Lens Φ20mm Focus Distance: -40mm Back Focus: -40.36mm | 1piece | JPY: 16,000 | USD: 100.30 |
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3-6938-23 | ［Discontinued］Biconcave Lens Φ30mm Focus Distance: -30mm Back Focus: -30.71mm | 1piece | JPY: 22,000 | USD: 137.91 |
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3-6938-25 | ［Discontinued］Biconcave Lens Φ30mm Focus Distance: -50mm Back Focus: -50.72mm | 1piece | JPY: 21,000 | USD: 131.64 |
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Product Catalog
| Catalog Name | Page |
|---|---|
| AS ONE Catalog 2017 [Instruments for Laboratory] | 694 |