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# Midwest Optical Systems BP660-30.5 Dark Red Bandpass Filter

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Midwest Optical Systems
- Model: BP660-30.5
- Condition: Used and in Excellent Condition
- Price: $95.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 1 lb, estimated
- Shipping dimensions: 8X8X3 in, estimated

## Categories

- Semiconductor > UV Curing (primary)

## Details

### Configuration

- Mount Size: M30.5 x P0.5

## Function

Transmits a narrow red spectral band centered near 660 nm while rejecting out-of-band wavelengths, enabling spectral isolation of red features in imaging and spectroscopy. Designed for insertion into optical assemblies via a standard M30.5 x P0.5 threaded mount, providing mechanical compatibility with filter housings and precise positioning. Improves contrast and signal-to-noise by restricting transmission to the red region in the optical path.

## Images

- <https://www.artisantg.com/itemimages/midwest_optical_systems_bp660_30_5_view1_2026911102543.jpg>
- <https://www.artisantg.com/itemimages/midwest_optical_systems_bp660_30_5_view2_2026911102543.jpg>
- <https://www.artisantg.com/itemimages/midwest_optical_systems_bp660_30_5_view3_2026911102543.jpg>
