Burgess has made some high quality offerings in the past and the 10mm has been well reviewed.
Scroll down the page a bit: https://www.burgessoptical.com/
They also have a 91mm
Any idea when the 16 will be available ? I should probably ask them direct.WilliamPaolini wrote: ↑Wed Jun 23, 2021 2:05 pm The 16mm will be an interesting focal length to have in monocentric design. Would be well suited for fainter DSO to get maximum throughput. I will probably get one of these when they become available. The 10mm is also quite flexible, especially when Barlowed as the off-axis cleans up nicely and it retains its superb contrast, so makes an excellent planetary when Barlowed, which is how I use it with a TV 2x for 5mm effective and with a TV 2.5x Powermate for 4mm effective. I am adjusting my previous review of the 10mm and when finished will submit it here.
I’ve enjoyed my 10 mm and will happily read his updated review.WilliamPaolini wrote: ↑Wed Jun 23, 2021 2:05 pm The 16mm will be an interesting focal length to have in monocentric design. Would be well suited for fainter DSO to get maximum throughput. I will probably get one of these when they become available. The 10mm is also quite flexible, especially when Barlowed as the off-axis cleans up nicely and it retains its superb contrast, so makes an excellent planetary when Barlowed, which is how I use it with a TV 2x for 5mm effective and with a TV 2.5x Powermate for 4mm effective. I am adjusting my previous review of the 10mm and when finished will submit it here.
Looks like the 10mm Ultramono is in stock now according to their website With a quality 2x or 2.5x Barlow/PM makes an outstanding planetary eyepiece for Apos!WilliamPaolini wrote: ↑Sat Jan 08, 2022 5:04 pm I never got an update on the 16 Ultramono. However I understand that he is expecting a shipment of 500 10mm Ultramonos in the next 30 days.
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