Explore Scientific 92 LER Series 2" Eyepieces

Explore Scientific 92 LER Series 2'' Eyepieces
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 Explore Scientific 92 LER Series 2'' EyepiecesExplore Scientific 92 LER Series 2'' Eyepieces 
£389.00
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Model:  es_92_12mm
Part Number:  0219912
Brand:  Explore Scientific

Explore Scientific

Designed to balance the modern demands of field sharpness over a wide apparent field, with long eye relief, which is of particular benefit to those who wear glasses while observing. 

The 8 lens (arranged in 6 groups) design  yields superbly corrected views and the long eye relief and wide occular diameter combine to deliver a fantastic user experience.  

12mm
The 12mm focal length will be a good fit for many different telescope designs and focal ratios. Those who have lower focal ratio instruments, such as shorter ED and Apo refractors, will adore the widefield deep sky views this eyepiece delivers.  Whilst owners of 8, 9.25 and even 10-inch (on nights of good seeing) SCT or RC telescopes, who are looking for higher power planetary and lunar magnifications will love what this eyepiece does for their particular instruments.

17mm
The 17mm focal length will be a good fit for many different telescope designs and focal ratios. Those who have lower focal ratio instruments will adore the widefield deep sky views this eyepiece delivers.  Whilst owners of 10, 12 and 14-inch SCT or RC telescopes, who are looking for higher power planetary and lunar magnifications will love what this eyepiece does for their particular instruments.

Explore Scientific's EMD coatings provide exceptional contrast and combat internal reflections extremely efficiently.  Internal baffles and blackened internal fittings complement the EMD coatings.

Explore Scientific 92° Argon  LE eyepieces are Argon purged and completely waterproof - so is impervious to dirt, moisture and fungal ingress.

Threaded to accept 2" filters. 

EYEPIECE FEATURES

  • Wide-angle 92 degree Apparent Field Of View
  • Premium grade optical glass
  • All surfaces fully multicoated for maximum light transmission
  • Internal baffles and blackened lens edges and internal metal surfaces to maximise contrast and reduce ghosting
  • Long eye-relief (good for eyeglass wearers)
  • Foldable rubber eyecups
  • Tapered 2" barrel for extra security
 

Eyepiece Field of View Simulator

Product Specifications

Model 12mm 17mm  
Product Code 0219912 0219917
Eye Relief 19.9mm 22mm
Field Diaphragm (virtual) 19.6mm 27.4mm
Barrel Size 2” / 50.8mm 2” / 50.8mm
Barrel Length 33mm 39mm
Lenses 8 8
Lens Groups 6 6
Height (From End of Barrel) 154mm 148mm
Width 70mm 72mm
Eyecups Foldable rubber eyecups Foldable rubber eyecups
Weight 1100g 1100g

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