QHY 600M-PH SBFL - Cooled BSI Monochrome Camera - Full Frame Sensor, Photographic with Shorter Back Focus Version - 110064 Adapters - M54 About the Celestron Regal M2

About the Celestron Regal M2 100ED Zoom Spotting Scope

25" insertion barrel if you want to do prime focus photography using "0" extra magnification

The Regal M2 Celestron Spotting Scope series is the next generation of our top-performing Regal F-ED spotting scopes

Ultra-durable 900 denier outer and super smooth inner polyester layers

QHY 600M-PH SBFL - Cooled BSI Monochrome Camera - Full Frame Sensor, Photographic with Shorter Back Focus Version - 110064 Adapters - M54 About the Celestron Regal M2SBFL (Short back focal length version) models are specially designed for DSLR lens users or those who have a special requirement for short back focal length. This version has a special front section which has 14. 5mm B. F. L only (The B. F. L consumed equals 12. 5mm when connecting a QHYCFW. A model with the SBFL suffix can easily use a Canon Nikon lens (with optional lens adapter) even with a filter wheel installed. The QHY 600M SBFL at a Glance: