Photos of buyers
Specifications
- Brand Name: OOTDTY
- Origin: CN(Origin)
- Certification: NONE
- Shape: normal
- Model Number: Diffraction Grating
- Usage: Optical
- Structure: normal
- Material: PET/Plastic
Diffraction Grating 50/100/300/600 line 2mm Transmission Grating Spectrophotometer Optical teaching experiment
4.80
–
5.27
$
65
orders
/
12
reviews
Price history
- for 3 month
- for half a year
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Price drop notification
4.56 $ (-5%)
4.56 $ (-5%)
4.32 $ (-10%)
4.08 $ (-15%)
3.84 $ (-20%)
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Customer Reviews
R***s
January 5, 2021
fast shipping but badly packaged. the item came in scratched badly. would have been better if it came in a small cardboard envelope instead of bendy plastic
P***n
December 31, 2020
NO FRAME! The grating itself is as stated, 600 lines/mm. But was expecting it to come with a frame, as on pictures, but got just bare grating.
Anonymous