FRMS135
Midwest Optical Filters
Dark Red Bandpass Filter, 30.5 mm Thread
Price: $110.00 each
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This bandpass filter blocks all light wavelengths except dark red. Ideal for blocking ambient lighting and improving contrast when combined with 660 nm red LED lights.
This mounted filter screws in to the threads on the front of a matching lens. The filter coating is durable and non-hydroscopic. It withstands cleaning, heat, humidity and vibration.
Mounted filters screw into the threads on the front of a matching lens. Configure to select the appropriate thread. Unmounted filters and slip-mount filters are available on request.
Mechanical
| Thread: | M30.5 x .5 |
| Aperture: | 26.5 mm |
| Mount Material: | Black anodized aluminum |
| Clear Aperture: | 2.65 to 5.90 mm smaller than the thread size, depending on size |
| Outside Diameter: | 1.15 to 4.8 mm greater than the thread size (with exception of C-mount thread which threads into camera neck) |
Optical
| Filter Type: | Color Bandpass |
| Wavelength: | 660 nm |
| Surface Quality: | 40/20 Scratch/Dig |
The manufacturer warrants all components against defects in materials and workmanship for 24-months from the date of factory shipment. Liability under this warranty is limited solely to the Manufacturer’s option of replacing, repairing or issuing credit in the amount of the purchase price of such product.
Small quantities of filters we normally stock may be returned within 30 days of purchase, if in factory new condition and in their original packaging. A 30% restocking fee will apply. Special orders may not be cancelled, nor returned.