Harry Siebert Optics Ultra 15mm, 1.25 inch

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Brand and Model:Harry Siebert Optics Ultra 15mm, 1.25 inch
Price ($USD):$149.00
Type:Misc Wide Angle
Focal Length:15 mm
Barrel Size:1.25 in
Apparent FOV:70.0 degrees
Field Stop Dia.:0.0 mm
Eye Relief:20 mm
Weight (lbs):

Vote Highlights Vote
Harry Siebert Optics Ultra 15mm, 1.25 inch
I bought one of Harry's standard 15mm eyepieces about 3 months ago and although it had very good contrast it did have a problem with ghosting on bright objects {as his ad states} and it did'nt seem to have as large a field of view as I was expecting. I called Harry to let him know that I would be sending it back. No problem. We decussed his other lines and I decided to give his 15mm ultra a try. I'm glad I did. This is a really good eyepiece for the price. It is well made, high contrast with a very dark background,stars are pinpoint almost to the very edge with my 10in. F/6 Dob.and TV-85, it comes with a nice nylon pouch with velcro flap and loop for your belt. It has a very large field of view although I hav'nt drift tested it to see if it is a true 70degs. I hav'nt noticed any ghosting on the moon, very slight ghosting on Venus but nothing like the $40 eyepiece. Hav'nt had a chance to look at Jupiter or Saturn with it yet. Globulars, nebulas and galaxies look great in it. Filters are held in by friction instead of screw threads.{I'm not real shot with that idea as I find myself pushing and twisting it in harder than I probably need to,to make sure it's seated. I'd feel safer with threads. It has great eye relief and I hav'nt noticed any blacked out areas at all. I am completely satisfied with this purchase and will be doing business with Harry again in the future. He really goes out of his way satisfy his customers and offers a great eyepieces for the price.

Gary Perrine

Overall Rating: 9
Optics:9 Value:10
Weight: 3 (Unreliable Vote)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=114161

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