LZOS Lens

[FlashDrive]

and I thought I'd seen everything ..... :eyepop:and some ' big ' Refactors in my time ... This ' takes the Cake ' BIG ' ... a 20inch LZOS Lens
https://www.cloudynights.com/topic/621007-show-us-your-lzos-telescope/?p=8677450

Anybody like to suggest a Mount for that... :shrug:

Credit to ..... denis0007dl of CN

Col .....

(https://www.cloudynights.com/user/208407-denis0007dl/)

[Wavytone]

Ah yes the lens has been on the APM website a while. https://www.apm-telescopes.de/en/optical-accessories/optical-sets/lenses-cell/apm-lzos-apo-refraktoren-510-f-12.7-apochromat-lens-cell.html

The winner of the $55M on Powerball has finally collected... maybe you could persuade them to take an interest in this.

I'd happily settle for a 16" Mak with LZOS optics and OTA by Matthias Wirth though, a far more practical size. I can recall the Yale-Columbia 26" refractor at Stromlo - it was a monster, and the dome to house it simply a vast empty cave.

[skysurfer]

$900K for a 50cm lens ?
And an FL of 6 meters ?
Not a simple backyard telescope, unless you have a very big shed ?
And a very narrow FOV ... even the minimum magnification of 1/6x per mm is 500/6 = 83x. That requires an eyepiece of almost 100mm ....

And to buy it yoo'll need a mortgage ...

[gaseous]

Tibrogargan?

[N1]

Nah, Cradle Mountain much more suitable :)