25.4/35/40/50mm Beam splitting prism 5:5 Beamsplitter RatioTransflective K9 Cube Prism Optical Glass Prism
Quick answer
Is $13.47 a good price for 25.4/35/40/50mm Beam splitting prism 5:5 Beamsplitter…?
It is the usual price, not a deal: $13.47 is in line with the typical price of $13.48 that DipScout measured over the last 14 days. Tracked since Oct 22, 2026, it ranged from $13.46 to $16.25.
$13.47
Today it costs $13.47 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $13.46 to $16.25. By our price history, it is not on sale right now. Price checked on Nov 12, 2026, 08:06 UTC.
Drop detected on .
No drop compared with what we observed over the last 14 days. The store advertises "was $16.70", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$13.47since Nov 12
Lowest$13.46Nov 10 to Nov 12
Highest$16.25Oct 31 to Nov 2
Tracked since Oct 22 · 6 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 12, 08:06 UTC | $13.47 | +0.1% |
| Nov 10, 08:06 UTC | $13.46 | −0.1% |
| Nov 7, 04:02 UTC | $13.47 | −0.1% |
| Nov 4, 19:02 UTC | $13.48 | −0.1% |
| Nov 2, 11:05 UTC | $13.49 | −17% |
| Oct 31, 05:05 UTC | $16.25 | +0.4% |
| Oct 22, 15:47 UTC | $16.19 | start |
| Store | LDOPTIC Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Sold | 27 |
| Recorded readings | 7 |
| First seen | |
| Last reading |