![7.0mm x 0.5mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_208-1.jpg)
Product Code ZNSEP7-0.5 IR Polished Zinc Selenide (ZnSe) optical window 7mm ? x 0.5mm
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![7.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_176-1.jpg)
Product Code ZNSEP7X2 IR Polished Zinc Selenide (ZnSe) optical window 7mm ? x 2mm
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![8.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_178-1.jpg)
Product Code ZNSEP8-1 IR Polished Zinc Selenide (ZnSe) optical window 8mm ? x 1mm
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![9.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_177-1.jpg)
Product Code ZNSEP9-2 IR Polished Zinc Selenide (ZnSe) optical window 9mm ? x 2mm
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![10.0mm x 0.5mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_145-1.jpg)
Product Code ZNSEP10-0.5 IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 0.5mm
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![10.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_146-1.jpg)
Product Code ZNSEP10-1 IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 1mm
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![10.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_147-1.jpg)
Product Code ZNSEP10-2 IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 2mm
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![10.0mm x 2.0mm wedged](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_148-1.jpg)
Product Code ZNSEP10-2W IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 2mm Wedged 1°
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![10.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_179-1.jpg)
Product Code ZNSEP10-3 IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 3mm
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![10.0mm x 4.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_180-1.jpg)
Product Code ZNSEP10-4 IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 4mm
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![10.0mm x 5.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_181-1.jpg)
Product Code ZNSEP10-5 IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 5mm
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![10.0mm x 10.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_182-1.jpg)
Product Code ZNSEP10-10 IR Polished Zinc Selenide (ZnSe) optical window 10mm ? x 10mm
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![12.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_183-1.jpg)
Product Code ZNSEP12X1 IR Polished Zinc Selenide (ZnSe) optical window 12mm ? x 1mm
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![12.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_150-1.jpg)
Product Code ZNSEP12-2 IR Polished Zinc Selenide (ZnSe) optical window 12mm ? x 2mm
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![12.0mm x 2.0mm wedged](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_149-1.jpg)
Product Code ZNSEP12-2W IR Polished Zinc Selenide (ZnSe) optical window 12mm ? x 2mm Wedged 1°
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![12.7mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_185-1.jpg)
Product Code ZNSEP12.7-2 IR Polished Zinc Selenide (ZnSe) optical window 12.7mm ? x 2mm (0.5 inch ? x 1mm)
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![13.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_151-1.jpg)
Product Code ZNSEP13-1 IR Polished Zinc Selenide (ZnSe) optical window 13mm ? x 1mm
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![13.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_152-1.jpg)
Product Code ZNSEP13-2 IR Polished Zinc Selenide (ZnSe) optical window 13mm ? x 2mm
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![13.0mm x 6.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_153-1.jpg)
Product Code ZNSEP13-6 IR Polished Zinc Selenide (ZnSe) optical window 13mm ? x 6mm
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![15.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_154-1.jpg)
Product Code ZNSEP15X2 IR Polished Zinc Selenide (ZnSe) optical window 15mm ? x 2mm
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![15.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_490-1.jpg)
Product Code ZNSEP15X3 IR Polished Zinc Selenide (ZnSe) optical window 15mm ? x 3mm
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![16.0mm x 0.5mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_155-1.jpg)
Product Code ZNSEP16-0.5 IR Polished Zinc Selenide (ZnSe) optical window 16mm ? x 0.5mm
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![17.5mm x 1.0mm AR](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_205-1.jpg)
Product Code ZNSEP17.5-1AR IR Polished Zinc Selenide (ZnSe) optical window 17.5mm ? x 1mm BBAR/BBAR coated 2 to 14 microns
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![18.0mm x 0.5mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_156-1.jpg)
Product Code ZNSEP18-0.5 IR Polished Zinc Selenide (ZnSe) optical window 18mm ? x 0.5mm
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![18.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_188-1.jpg)
Product Code ZNSEP18-1 IR Polished Zinc Selenide (ZnSe) optical window 18mm ? x 1mm
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![18.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_157-1.jpg)
Product Code ZNSEP18-2 IR Polished Zinc Selenide (ZnSe) optical window 18mm ? x 2mm
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![19.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_159-1.jpg)
Product Code ZNSEP19-1W IR Polished Zinc Selenide (ZnSe) optical window 19mm ? x 1mm Wedged choice of 0.5° or 1° please specify...
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![20.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_184-1.jpg)
Product Code ZNSEP20-1 IR Polished Zinc Selenide (ZnSe) optical window 20mm ? x 1mm
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![20.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_158-1.jpg)
Product Code ZNSEP20-2 IR Polished Zinc Selenide (ZnSe) optical window 20mm ? x 2mm
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![20.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_186-1.jpg)
Product Code ZNSEP20-3 IR Polished Zinc Selenide (ZnSe) optical window 20mm ? x 3mm
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![20.0mm x 5.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_187-1.jpg)
Product Code ZNSEP20-5 IR Polished Zinc Selenide (ZnSe) optical window 20mm ? x 5mm
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![22.0mm x 0.5mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_160-1.jpg)
Product Code ZNSEP22-0.5 IR Polished Zinc Selenide (ZnSe) optical window 22mm ? x 0.5mm
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![22.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_161-1.jpg)
Product Code ZNSEP22-1 IR Polished Zinc Selenide (ZnSe) optical window 22mm ? x 1mm
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![25.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_189-1.jpg)
Product Code ZNSEP25-1 IR Polished Zinc Selenide (ZnSe) optical window 25mm ? x 1mm
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![25.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_164-1.jpg)
Product Code ZNSEP25-2 IR Polished Zinc Selenide (ZnSe) optical window 25mm ? x 2mm
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![25.0mm x 2.0mm AR](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_165-1.jpg)
Product Code ZNSEP25-2AR IR Polished Zinc Selenide (ZnSe) optical window 25mm ? x 2mm AR/AR Coated
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![25.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_190-1.jpg)
Product Code ZNSEP25-3 IR Polished Zinc Selenide (ZnSe) optical window 25mm ? x 3mm
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![25.0mm x 4.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_167-1.jpg)
Product Code ZNSEP25-4 IR Polished Zinc Selenide (ZnSe) optical window 25mm ? x 4mm
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![25.0mm x 4.0mm AR](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_166-1.jpg)
Product Code ZNSEP25-4AR IR Polished Zinc Selenide (ZnSe) optical window 25mm ? x 4mm AR/AR Coated
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![25.0mm x 5.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_207-1.jpg)
Product Code ZNSEP25-5 IR Polished Zinc Selenide (ZnSe) optical window 25mm ? x 5mm
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![25.4mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_163-1.jpg)
Product Code ZNSEP25.4-1 IR Polished Zinc Selenide (ZnSe) optical window 25.4mm ? x 1mm (1 inch ? x 1mm)
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![25.4mm x 4.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_162-1.jpg)
Prroduct Code ZNSEP25.4-4 IR Polished Zinc Selenide (ZnSe) optical window 25.4mm ? x 4mm (1 inch ? x 4mm)
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![30.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_206-1.jpg)
Product Code ZNSEP30-2 IR Polished Zinc Selenide (ZnSe) optical window 30mm ? x 2mm
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![30.0mm x 4.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_143-1.jpg)
Product Code ZNSEP30-4 IR Polished Zinc Selenide (ZnSe) optical window 30mm ? x 4mm
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![30.0mm x 4.0mm AR](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_168-1.jpg)
Product Code ZNSEP30-4AR IR Polished Zinc Selenide (ZnSe) optical window 30mm ? x 4mm AR/AR Coated
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![32.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_169-1.jpg)
Product Code ZNSEP32-3 IR Polished Zinc Selenide (ZnSe) optical window 32mm ? x 3mm
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![35.0mm x 1.5mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_170-1.jpg)
Product Code ZNSEP35X1.5 IR Polished Zinc Selenide (ZnSe) optical window 35mm ? x 1.5mm
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![35.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_171-1.jpg)
Product Code ZNSEP35X2 IR Polished Zinc Selenide (ZnSe) optical window 35mm ? x 2mm
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![35.0mm x 2.0mm AR](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_172-1.jpg)
Product Code ZNSEP35X2AR IR Polished Zinc Selenide (ZnSe) optical window 35mm ? x 2mm AR/AR Coated
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![38.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_191-1.jpg)
Product Code ZNSEP38-2 IR Polished Zinc Selenide (ZnSe) optical window 38mm ? x 2mm
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![40.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_173-1.jpg)
Product Code ZNSEP40X2 IR Polished Zinc Selenide (ZnSe) optical window 40mm ? x 2mm
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![42.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_174-1.jpg)
Product Code ZNSEP42-3 IR Polished Zinc Selenide (ZnSe) optical window 42mm ? x 3mm
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![50.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_175-1.jpg)
Product Code ZNSEP50-3 IR Polished Zinc Selenide (ZnSe) optical window 50mm ? x 3mm
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![50.0mm x 3.0mm AR](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_192-1.jpg)
Product Code ZNSEP50-3AR IR Polished Zinc Selenide (ZnSe) optical window 50mm ? x 3mm AR/AR Coated for 10.6 microns
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![55.0mm x 1.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_194-1.jpg)
Product Code ZNSEP55-1 IR Polished Zinc Selenide (ZnSe) optical window 55mm ? x 1mm
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![55.0mm x 2.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_195-1.jpg)
Product Code ZNSEP55-2 IR Polished Zinc Selenide (ZnSe) optical window 55mm ? x 2mm
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![60.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_196-1.jpg)
Product Code ZNSEP60-3 IR Polished Zinc Selenide (ZnSe) optical window 60mm ? x 3mm
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![70.0mm x 3.0mm](http://www.crystran.co.uk/img/product_list_thumb/assets/userfiles/crystran.co.uk/products/n_197-1.jpg)
Product Code ZNSEP70-3 IR Polished Zinc Selenide (ZnSe) optical window 70mm ? x 3mm
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