Sale! The all new 3" 0.76x Askar full frame reducer is a focal reducer was made specifically for the 80PHQ f/7.5 astrograph. It is a triplet design with 0.76x reduction in focal ratioThe focal ratio is 5.7 with a reduced focal length of 456mm. These lengths work
The all new 3″ 0.76x Askar full frame reducer is a focal reducer was made specifically for the 80PHQ f/7.5 astrograph. It is a triplet design with 0.76x reduction in focal ratio
The focal ratio is 5.7 with a reduced focal length of 456mm. These lengths work to shorten exposure time cleanly and effectively without decreasing your field of view.
The back focus of this reducer is 55mm, and it has a built-in M48X0.75 filter thread (2″) that allows for you to screw your filters on.
This reducer comes equipped with a multi-functioning photographic adapter at the reducer’s end. This adapter can be connected to the end thread of the focuser while it is in use.
Cost: $25
Free Shipping
We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout.
Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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