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APM XWA HDC Hyperwide 9mm 9-element 100° eyepiece--1.25"/2.0"

APM XWA HDC Hyperwide 9mm 100° eyepiece
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APM XWA HDC Hyperwide 9mm 100* eyepiece
List Price: $419.99
Our Price: $249.99
Savings: $170.00
Focal Length 9mm
Eye Relief: 13mm
Diameter: 1.25"/2"
Apparent Field 100 degrees
Product Weight: 468g

Quantity in Stock:6
Availability:: Usually Ships in 24 Hours
Product Code: 17101090
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Description Technical Specs Extended Information
 
APM XWA HDC Hyperwide 9mm 9-element 100° eyepiece--1.25"/2.0"
Features
  • *Usable as a 2" or 125" eyepiece

  • *incredibly wide field of view 100°

  • *fully multicoated lenses provide superior light transmittance

  • *lowered chromatic aberration

  • *superior contrast

  • *lens edges and internal spacers are fully blackened.

  • *flaring and ghosting on high contrast objects has been eliminated

  • *fully anodized black barrel with high resistance to scratching

  • *sealed against water
  • *threaded for 2" filters

  • *removeable eyeguard, under this: M44.5 x 0.75 OD Thread for Cameras

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 5 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 Great service, great products :) January 14, 2021
Reviewer: John Kowtko from Redwood City, CA United States  
Don has been extremely helpful with advice for a novice astronomy hobbyist ... all of my purchases were packaged well and shipped very quickly.

Thanks.  John

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  0 of 0 people found the following review helpful:
 
5 of 5 APM 13mm 100° eyepiece is a game-changer November 20, 2020
Reviewer: Leonard Soltzberg from Needham, MA United States  
With a manual altaz mount (even with fine adjustment controls), tracking an object can be a significant distraction. With ordinary eyepieces (AFOV ~ 50°) and a magnification of around 50x, the object will remain in the field for, say 3 minutes. Naturally, as magnification is increased, the object leaves the field proportionally faster, so that at 100x or more, the frequent tracking adjustments and the attendant vibrations detract seriously from studying the object.

The 100° AFOV of the APM/Lunt 13mm eyepiece means that at, say 120x, the object remains in the field as long as at 50x with an ordinary eyepiece. The APM/Lunt optic is also commendably sharp.


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  0 of 0 people found the following review helpful:
 
5 of 5 Upgrade from Oron Stratus July 13, 2020
Reviewer: Jeff from Louisville, KY United States  
I've had my telescope a year and the difference between the HDC and the Stratus was just stunning.  Well worth the investment.  Super fast shipping and everything was extremely well packed.

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  0 of 0 people found the following review helpful:
 
5 of 5 APM 9mm HDC August 14, 2019
Reviewer: Jon Dombroski from Madison Heights, MI United States  
Great eyepiece. Light weight for a 100 degree. Ordering all soon. I like the choice of going 1.25” or 2”. Though I like keeping it at 2” all times. It’s a great eyepiece at an even greater price. Don’s the man. Quick shipping.

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  0 of 0 people found the following review helpful:
 
5 of 5 Lunt 9mm XWA March 27, 2019
Reviewer: William Childers from Burlington, WA United States  
Don's contributions at Cloudy Nights is the primary reason I purchased from him. Having former experience with this line gave me confidence in the optics. I bought from Eyepiecesetc based on Don's integrity and how he supports the forum.

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