Sharpstar f/4.8 Professional Focal Length Reducer for Sharpstar 140Ph f/6.5 Telescope

Enhance your astrophotography experience with the Sharpstar f/4.8 Professional Focal Length Reducer, meticulously engineered for the Sharpstar 140Ph f/6.5 optical tube. This exceptional accessory improves the luminosity to f/4.8, making it compatible with full-frame sensor cameras.

Advanced Optical Design

The optical system is a sophisticated triplet configuration with an air gap. Each lens is treated with a full multi-layer coating to minimize unwanted reflections and maximize contrast. The standard back focus is 55 mm when paired with the included rotator, but can be extended to 105 mm by removing the rotating part.

Durable Construction

Housed in a robust metal body, this reducer is designed to withstand the rigors of use with heavy cameras or SLRs, ensuring durability and maintaining precise alignment even in challenging conditions.

Key Features of the Sharpstar f/4.8 (140PH) Reducer:

• Specifically designed for the Sharpstar 140Ph f/6.5 telescope.
• Incorporates a three-element optical system with fully multi-coated lenses.
• Sturdy metal housing with a screw-in rotator to resist damage.

Technical Specifications:

• Optical System: Triplet with an air gap.
• Anti-Reflective Coating: Full multi-layer coating (FMC).
• Compatible Telescope: Sharpstar 140PH APO.
• Reducer Multiplicity: 0.74x.
• Light Transmission with Reducer: f/4.8.
• Full Illumination Wheel Diameter: 44 mm.
• Back Focus (with rotator): 55 mm.
• Telescope Side Thread: M88x1.
• Camera Side Thread: M48x0.75.
• Body Material: Metal.
• Outer Diameter: 88/80 mm.
• Length: 106 mm.
• Weight: 900 g.

Included Components:

• Sharpstar f/4.8 (140PH) reducer.

Guarantee:

This product is backed by a 24-month guarantee, providing you with peace of mind and ensuring your satisfaction with the purchase.