Brand: SharpStar

Askar 185APO Premium Reducers and Flatteners

Brand: SharpStar

Askar 185APO Premium Reducers and Flatteners

The Askar 185 APO comes with two optional premium accessories, a 1.0x flattener and a 0.8x reducer.
  • Optimized for the Askar 185APO
  • Flexible options to meet your needs
  • Premium glass elements in triplet and quadruplet designs
  • Equip with two sizes of adapters
$298.00 USD

Size

0.8x Reducer (ASKAR-185APO-R08) 1.0x Flattener (ASKAR-185APO-F10)

Easy Payment Options with .

What is a Backorder?
$298.00 USD

Easy Payment Options with .

What is a Backorder?
Free Expert Support
Stress Free, Secure Shopping
30 Day Return Policy
Price Match Promise

Recommended Accessories

Full Details What's in the Box? Specifications Reviews and Questions

Product Description

0.8x Reducer

The 0.8x reducer can bring Askar 185APO's focal ratio down to F5.6. 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 0.8x reducer adopts a quadruplet design and supports a 44mm full-frame image circle. The back focus from the M48 thread is a standard 55mm. The front thread is M84*1. At the camera end, it is equipped with M68*1, M54*0.75, and M48*0.75 three sizes of adapters, which are convenient for connection. At the same time, it 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.

1x Full-frame Flattener

The 1.0x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 185APO, it still maintained a focal ratio of 7. The flattener corrects field curvature and coma, resulting in flatter field edges and finer star points.

The 1.0x flattener adopts a triplet design and supports a 44mm full-frame image circle. The overall weight is 0.79kg. The back focus from the M48 thread is a standard 55mm. The front thread is M84*1. At the camera end, it is equipped with M68*1, M54*0.75, and M48*0.75 three sizes of adapters, which are convenient for connection. At the same time, it 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.

What's in the Box

  • Reducer or Flattener

Specifications

0.8x Reducer 1.0x Flattener
185APO Focal Length (attached) 1036mm 1295mm
185APO Focal Ration (attached) f/5.6 f/7
Lens Design Quadruplet
Quadruplet
Back Focus 55mm 55mm
Weight 0.63kg 0.76kg
Rear-end Thread Type M68x1
M54x0.75
M54x0.75-M48x0.75 (M48x0.75 filter thread inside)
M68x1
M54x0.75
M54x0.75-M48x0.75 (M48x0.75 filter thread inside)

 

Dimension Diagrams

 


Installation Diagram



Spot Diagrams



Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Why Should You Trust All Star Telescope?

We've Made All The Mistakes
So You Don't Have To

Learn More