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SharpStar 121SDQ f/5.6 Quintuplet APO - Discontinued
SharpStar 121SDQ f/5.6 Quintuplet APO - Discontinued

SharpStar 121SDQ f/5.6 Quintuplet APO - Discontinued

by SharpStar Optics
SKU SSO-121SDQ
Sold out
$3,799.00 USD - $3,799.00 USD
$3,799.00 USD
$3,799.00 USD - $3,799.00 USD
$3,799.00 USD
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This product is a new generation of independent design of quintuple air-spaced high quality refractor telescope which take the form of dual after triplet. One of the triplet lens is ultra-low dispersion ED glass, which fully optimizes the function of photography, the range of image can reach the 60mm influence circle of medium frame, and the image peripheral dimming control is excellent. For most amateur astronomer it will be the device of choice for astrophotography.
Considering the importance of photographic focal plane, this product leaves 145mm space for the connection of professional high performance imaging equipment and accessories.
The 4-inch large focuser is belong to domestic initiation, the abundant threaded interface makes it easy for various joints and accessories
This product is a beautiful, fashion style professional design and manufacturing to bring good product experience.

Specifications

Aperture: 121mm
Focal Length: 678mm
Limiting star magnitude: 12.1
Focal ratio: F5.6
Resolution：0.97 arc seconds
Tube length: 598mm (dew-shield indended), 698mm (dew-shield extended)
Accessories: A piece of tube ring, a dovetail plate, a handle
Main tube outer diameter: 130mm
Net Weight: 7.98kg
Objective type: Quintuplet air-spaced APO