Askar 71F 0.75x Reducer Triplet Design Supports a 44mm Full-Frame

★★★★★ 5.0 103 reviews

$90.00
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$90.00
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Product details

Management number 208571913 Release Date 2026/03/22 List Price $36.00 Model Number 208571913
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  • The 0.75x reducer can bring Askar 71F's focal ratio down to F5.2. This is a standard reducer with field flattening capabilities as well.
  • A shorter focal ratio allows the OTA to have a wider field of view and faster exposure times, making it suitable for capturing large areas of nebulae, star clusters, and faint, fast-moving celestial objects.
  • The 0.75x reducer adopts a triplet design and supports a 44mm full-frame image circle. The overall weight is 0.23 kg. The back focus from the M48 thread is a standard 55mm. Both end threads are M59*1.
  • The 71F photographic extension tube has two sizes of M54*0.75 and M48*0.75 adapters, which can be directly and easily connected to the 71F 0.75x reducer for use.
  • At the same time, the adapter has a built-in M48*0.75 2-inch filter thread, which can be directly installed and used. The overall CNC machined, both end threaded metal caps prevent ash when not in use.
Manufacturer Askar
Item model number Askar 71F 0.75x Reducer
Product Dimensions 1.5 x 1.5 x 2 inches

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