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About this product
Accelerate your deep-sky astro-imaging and capture pinpoint star profiles across the full frame. Precision-engineered for the Esprit-60EDX refractor, this optical unit shortens your focal ratio to a rapid f/4.5 while maintaining pristine corner-to-corner flatness. Frame vast nebulae and faint celestial targets in substantially less exposure time.
Fast f/4.5 Ratio
0.75x focal reduction
Triplet Design
Three optical elements
43.2mm Image Circle
Broad sensor coverage
MHTC Optics
Superior transmission
Faster Exposure Times and Wider Perspectives
By decreasing the native focal length to an effective f/4.5 focal ratio, this reducer gathers light much quicker during evening imaging sessions. You can accumulate clear signal on faint targets in fewer hours of tracking, while the expanded field of view simplifies framing expansive emission complexes and extended star fields.
Corner-to-Corner Sharpness
Constructed with a specialised three-element optical configuration, the flattener eliminates inherent optical curvature across a 43.2mm circle. Whether configured with dedicated imaging sensors or DSLR systems via standard M48 connections, it delivers round, tack-sharp stars straight out to the frame margins.
Metallic High-Transmission Coatings (MHTC) Features Sky-Watcher's specialised anti-reflection multi-coatings to ensure high photon throughput and control internal flare for clean, high-contrast frames.
Key Features
0.75x Reduction Factor – Converts optical speed to a rapid f/4.5 ratio for efficient signal capture.
3-Element Optical Formula – Employs three optical elements to flatten field curvature and suppress edge distortion.
43.2mm Image Circle – Supplies expansive field illumination suitable for full-frame and crop sensors alike.
Proprietary MHTC Coatings – Ensures maximum light throughput while curtailing internal reflections.
Dedicated Esprit-60EDX Fit – Matched specifically to the optical traits of the Esprit-60EDX refractor.
M48 Thread Compatibility – Connects securely via M48x0.75 threads for rigid, tilt-free imaging trains.