Precision Molding material

Variety of precision glass molded products –
ready to respond from optical design
to completed products

SUMITA joins together highly sophisticated and distinctive techniques to offer you final lens products of extremely high precision. By combining our glass manufacturing technology and design know-how with dedicated manufacturing technology for the molding process we are able to produce a finished lens with a supreme finish. Due to this combination, these products are very hard to imitate and make us quite unique in this field..

Lens unit for 1/10 CCD Endoscope

Precision molded series

Key benefits
  • Ultra-wide, high-performance aspherical lens
  • Wider field angle and compactness achieved by K-PSFn202 and K-LaFK50
  • Fit for use extreme environments thanks to K-PBK40 featuring environmental robustness for the front lens
  • Aspherical lenses ensure higher sensitivity and wider depth of field
Key benefits
  • Handling of different volumes from small-lot production to mass production
  • Prototype manufacturing
  • Handling of all manufacturing phases, starting from optical design
  • High-precision products at sensible prices

 

 Specifications 

Items 

Description 

1/10” Compatible Lens 

Model 

SL150-068 

Image Cycle 

Ø 1.8 mm 

Iris 

Fixed 

Focus 

0.68 mm 

View Angle 

150° 

Depth of Field 

5 mm - ∞ 

Mount 

M 3.5 x 0.35 

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At SUMITA we realize precision molding glass lenses by dies manufactured with ultra-precision machining technologies. We can handle a broad variety of different profiles, including aspherical lenses. 

 Specs model 

S2 

Image field 

66 mm 

Focal length 

116mm 

Object field 

66 mm 

Magnification 

1X 

WD 

185 mm 

Wavelength 

546.07nm 

Distortion 

0 % 

Wavelength range 

404 - 694nm 

Total length 

439 mm 

Object NA 

0.064 

Mount type 

V-type 

Image NA 

0.064 

Weight 

305g

Optical Glass for Precision Molding

Optical Constants and other Properties

Glass Type Catalogue Value After molding*1 Tg
(°C)
At
(°C)
αx10-7 DW S.g Available form *2 Coloration*3
  nd νd nd νd    
K-PSFn215 2,15400 17,2 *7 *7 405 428 101 1 7,10 (48)/42*6
K-PSFn173 2,14780 17,3 *7 *7 406 431 97 1 7,03 (47)/42*6
K-PSFn203 2,01700 20,8 2,01105 20,8 444 466 91 1 6,17 (44)/40*6
K-PSFn2 2,00170 20,6 1,99670 20,6 480 514 92 1 5,48 (50)/40*6
K-PSFn5 1,92110 22,4 1,91643 22,4 463 495 112 1 5,22 (46)/38*6
K-PSFn1 1,90680 21,2 1,89948 21,4 498 543 102 1 4,15 (49)/39*6
K-VC91 1,88660 35,0 1,88176 34,9 589 638 95 1 4,87 48/36
K-VC90 1,85280 39,0 1,84859 38,9 583 633 94 1 4,98 45/34
K-VC99 1,85060 41,6 1,84604 41,5 616 653 73 1 5,15 42/32
K-PSFn4 1,84400 24,8 1,83932 24,8 469 510 122 1 4,58 (42)/37*6
K-PSFn3 1,83917 23,9 1,83352 24,0 477 515 118 1 3,90 (43)/38*6
K-VC89 1,81000 41,0 1,80589 40,9 528 559 83 1 4,75 40/34
K-VC100 1,80400 43,6 1,79916 43,5 570 609 72 1 4,71 40/34
K-LaFK50 1,77200 50,0 1,76831 49,6 560 592 90 1 5,20 37/29
K-VC82 1,75550 45,6 1,75029 45,4 526 563 80 1 4,25 38/33
K-CD120 1,72250 29,2 1,71468 29,6 508 549 119 1 3,01 43/36
K-ZnSF8 1,71430 38,9 1,71142 38,9 518 546 60 2 3,72 39/34
K-LaFK55 1,69400 56,3 1,68874 55,7 514 556 91 1 4,34 37/29
K-VC80 1,69384 53,1 1,68984 52,8 530 566 94 1 3,81 36/29
K-CD45 1,69320 33,7 1,68673 34,1 470 507 121 1 3,13 41/35
K-VC78 1,66955 55,4 1,66625 55,2 520 556 100 1 3,44 35/28
K-PG395 1,65800 36,9 1,65295 36,8 363 392 159*5 1 3,50 38/35
K-LaFK60 1,63246 63,8 1,62847 63,2 485 528 114 1 4,29 38/28
K-PSK200 1,61305 59,0 1,61083 58,9 386 412 123 1 3,38 34/31
K-VC79 1,61035 57,9 1,60736 57,5 516 553 93 2 3,09 34/29
K-PSK300 1,59950 65,6 *7 *7 463 498 128 2 3,49 36/31
K-GFK68 1,59240 68,3 1,58999 68,1 512 536 152 1 4,51 34/28
K-PSK100 1,59170 60,7 1,58793 60,5 390 415 114 1 3,24 36/32
K-CSK120 1,58700 59,6 1,58444 59,2 498 536 91 2 3,00 35/31
K-GFK70 1,56907 71,3 1,56626 71,2 485 509 156 1 4,46 34/28
K-PSK11 1,56580 61,0 1,55985 61,0 410 437 93 2 3,08 34/31
K-PG375 1,54250 62,9 1,53921 62,5 344 367 160*5 2 2,90 36/31
K-PMK30 1,52500 70,4 1,52003 69,9 528 572 87 2 2,60 33/29
K-PBK50 1,52250 62,3 1,52023 62,0 481 518 92 2 2,43 34/29
K-PBK40 1,51760 63,5 1,51497 63,4 501 549 73 2 2,39 33/29
K-SKF6 1,51200 52,1 1,50848 52,4 432 516 100 1 2,51 36/34
K-PG325 1,50670 70,5 1,50506 70,3 288 317 165*4 1 3,00 34/30
K-PFK80 1,49700 81,5 1,49533 80,9 461 483 154 1 3,60 34/27
K-PFK85 1,48563 85,2 1,48375 85,0 452 484 163 1 3,97 34/29
K-PFK90 1,45880 90,0 1,45744 87,6 431 461 165 1 3,72 34/29
K-CaFK95 1,43425 95,0 1,43312 95,0 431 450 167 1 3,54 33/28

Tg: Transformation Point    At: Yielding Point    α: Thermal Expansion (100~300°C)    DW: Chemical Durability

*1  ***  Reference value after molding by SUMITA
*2  ***  Available form:
○ Gobs or Polished Preform 
△ Polished Preform

*3 ***    Transmittance wavelength at 80%/5%
*4 ***    Value (50~200°C)
*5 ***    Value (50~250°C)
*6 ***    Transmittance wavelength at 70%/5%
*7 ***    Information on special request

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SUMITA Optical Glass - seit über einem halben Jahrhundert
setzen wir Maßstäbe in den Bereichen Optisches Glas,
Faseroptik und Funktionsglas.
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