Adjustable1.0x Flattener for 70mm-155mm telescopes
Adjustable1.0x Flattener for 70mm-155mm telescopes
In Stock
The Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope eliminates the stress of calculating complex back focus requirements for your optical tube. Designed for astrophotographers using medium to large refractors, this high-performance telescope field flattener delivers edge-to-edge pinpoint stars without altering your native focal ratio. Experience seamless imaging system integration when using essential accessories like filter wheels, off-axis guiders, and rotators.
Achieving exact sensor spacing is no longer a balance of trial and error with the Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope. Featuring a micro-tunable adjustment barrel secured by three 1.5mm Allen screws, fine-tuning your astrophotography back focus requires only a slight twist. Simply total the thickness of your imaging train accessories—such as filter wheels, rotators, and sensor distance—and set the built-in scale to match your telescope's optical focal ratio. Designed for direct attachment to Starfield refractor focusers, this robust optical accessory also accepts internal filters to deliver stunning, aberration-free deep-sky images across your entire camera sensor.
What refractors are compatible with the Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope?
The Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope is engineered specifically for refractor telescopes ranging in aperture from 80mm up to 155mm with focal ratios between f/6 and f/8.
How do I adjust back focus on the Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope?
To adjust back focus on the Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope, use the included 1.5mm Allen key to loosen the three set screws by a half turn, unscrew the lock ring, twist the housing to your calculated focal distance, and retighten.
Can I use optical filters inside the Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope?
Yes, the Starfield 1.0x Adjustable Flattener for 80 - 155mm Telescope includes internal threads that accommodate standard astrophotography filters inside the reducer body.