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Solar Eyepieces

The long focal lengths of most dedicated solar telescopes do best with  low apparent field of view (AFOV) eyepieces. The is sun fixed at .5 degrees and the light cones for front mounted filters are around f/8. Rear mounted filters are at f/30.

Ultra wide field eyepieces of 70 to 100 degrees AFOV will require much more precise pupil alignment than those of a forgiving 40 - 50 degrees AFOV eyepiece.

Bottom line: the cheapest Plossl gives a great view of the sun! 

Lunt Solar Zoom

Lunt Solar Zoom
7.5mm - 21.5mm Zoom
40 - 53 degrees AFOV
15mm eye relief

This eyepiece does exactly what it was designed to do: show off the sun. An excellent performer on all solar scopes!

 TV Zoom  

 

Coronado CEMAX and Barlow

Coronado CEMAX
AFOV 52 degrees
20mm eye relief

Another sure fire winner for the sun. Low AFOV give you excellent range of movement with your eye. Almost no blackouts due to misaligning your eye with the exit pupil.

The Barlow lens cell can be unscrewed and attached to the Lumenera SKYnyx camera. This allows you to reach focus and still magnify the sun. Also helps to reduce Newton's rings.
 

 
Meade 56mm Series 4000 Super Plossl

Meade 56mm Super Plossl


A mandatory eyepiece with rear mounted hydrogen-alpha filters. Gives a great view with either the 2X or 4X telecentric lens. Has a slight edge over the Tele Vue 55mm.




Meade 56mm Super Plossl
52 degrees AFOV
21mm eye relief
 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 © Greg Piepol