Astronomik ProPlanet 642 BP T-Mount (M42x0,75) (SKU: 10227042 / 8h00m3)

Astronomik ProPlanet 642 BP T-Mount M42 × 0.75 (Astronomik, SKU: 10227042) is a bandpass filter transmitting red and near-infrared light. It combines daylight IR photography, lunar and planetary imaging and H-alpha-region imaging, while also suppressing longer infrared wavelengths, unlike ProPlanet 742 and 807.

Key features

• records red and near-infrared images
• reduces the effects of seeing in lunar and planetary photography
• enables daylight IR photography with a suitably modified camera
• passband includes H-alpha, without the selectivity of a narrowband filter
• threaded mounting in an optical train with a T2 connection
• durable coatings resistant to scratches and moisture

Included items

• filter, Astronomik ProPlanet 642 BP T-Mount M42 × 0.75
• protective filter box

Technical specifications

• manufacturer: Astronomik
• manufacturer SKU: 10227042
• type: red and near-infrared bandpass filter
• range with transmission above 95%: 642–840 nm
• blocked short-wavelength range: 350–630 nm
• requirements: camera sensitive within the transmitted band
• mount: T-Mount / T2
• thread: M42 × 0.75
• glass thickness: 1 mm
• parfocality: with standard Astronomik filters using 1 mm glass
• country of manufacture: Germany

The selected passband uses the camera’s sensitivity to record structures in red and near-infrared light.

Product code: FILASTM42-8H00M3_AIK