Goodbye Spherical Abberation?

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Kanadalainen
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Goodbye Spherical Abberation?

#1

Post by Kanadalainen » Tue Sep 10, 2019 11:48 pm

Can a spherical lens be designed to be free of spherical aberration?

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018

https://petapixel.com/2019/07/05/goodby ... l-problem/

(Mods please delete if this has been posted already).
Ian

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notFritzArgelander
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#2

Post by notFritzArgelander » Wed Sep 11, 2019 12:21 am

Scopes: Refractors: Orion ST80, SV ED80 A f7; Newtonians: Z12 f5; Catadioptrics: VMC110L, Intes MK66. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
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#3

Post by notFritzArgelander » Wed Sep 11, 2019 3:50 am

Fingerslip.....

The 2nd link was supposed to be viewtopic.php?f=28&t=1666&p=14540&hilit=equation#p14515

BTW I recommend NOT deleting the OP and replies since the articles linked are significantly different. Thanks Ian, for the add.
Scopes: Refractors: Orion ST80, SV ED80 A f7; Newtonians: Z12 f5; Catadioptrics: VMC110L, Intes MK66. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
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#4

Post by Kanadalainen » Wed Sep 11, 2019 4:10 am


:D :lol: I suspected. And, an amusing article on top of it all. One of the people in our workplace told me about this today.
Ian

Scopes

Stellarvue 70T f6
C80 frac with 2" focuser, f11.4
modified XT10i f4.7
14.5" strut dob f4.5 with a ZOC optic and Nexus II

Mount - Ioptron skyguider pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Adobe PS CC, LR CC, GIMP, Skysafari 6 Pro, Astrophotography Tool, Astro Pixel Processor (Mac trial version)

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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#5

Post by Lady Fraktor » Wed Sep 11, 2019 5:16 am

That was my thought when I read the title :lol:

Thank you for the article Ian.
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Proper Telescopes: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, TAL MT1C, Vixen SXP w/ HAL-130 & half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Orion Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
Eyepieces: Antares to Zeiss
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