Restocking Fee No
Return shipping will be paid by Seller
All returns accepted Returns Accepted
Item must be returned within 30 Days
Refund will be given as Money back or replacement (buyer's choice)
Brand B&W Tek BW Tek
Type Optical Spectrometer
Model Bench, grating, mirrors, and Slit
MPN Bench, Grating, Mirrors, and Slit

Check the listing for details. BUILD YOUR OWN SPECTROMETER BWTEK BENCH GRATING, MIRRORS & 50um SLIT SMA-905 DIY. Condition: Used. Listed at 139.99 USD. Up for sale is my B&W Tek bench, grating, mirrors, and a 50um slit inside the SMA-905 input connector. The grating is 1800 Gr/mm with a blaze wavelength of 500nm. The graph in the last picture is an efficiency curve of what one can roughly expect out of this grating. If you only need the optics without the bench, please go to: https://www.ebay.com/itm/143969241357 Thank you. I have been an eBay member since 2001 with excellent positive feedback. If you have any questions, or are interested in buying these in volume quantity, please scroll up and click "contact seller". Thank you.

$70.00
$139.99