Level UP Astronomy. Domain: (levelupastronomy.com). Acronym: [+1UP Astro]

GalactiGear or (G²)

"DARKFOCUS" {primary domain available: darkfocus.com} [Darkfocus Accessories/ Darkfocus Optics/ Darkfocus Instruments/ Darkfocus Peripherals/ Darkfocus Astro Accessories]

"DARQFOCUS" {primary domain available: darqfocus.com} [Darqfocus Accessories/ Darqfocus Optics/ Darqfocus Instruments/ Darqfocus Peripherals/ Darqfocus Astro Accessories]

"DARQSCOPE" {primary domain available: darqscope.com} [Darqscope Accessories/ Darqscope Optics/ Darqscope Instruments/ Darqscope Peripherals/ Darqscope Astro Accessories]

Dark Pixels Astro Accessories

"Cosmoculus" (Cosmos + Oculus) {primary domain available: cosmoculus.com} [Variations: Cosmoculus Accessories/ Cosmoculus Optics/ Cosmoculus Instruments/Cosmoculus Devices/Cosmoculus Peripherals/ Cosmoculus Gizmo/ Cosmoculus Additions/ Cosmoculus Essensiatials]

"Cosmocular" (Cosmos + Ocular) {primary domain available: cosmocular.com} [Variations: Cosmocular Accessories/ Cosmocular Optics/ Cosmocular Instruments/ Cosmocular Devices/ Cosmocular Peripherals/ Cosmocular Gizmo/ Cosmocular Additions/ Cosmocular Essensiatials]

Mad Cosmos [Mad Cosmos Accessories (MCA)/ Mad Cosmos Optics (MCO) / Mad Cosmos Instruments (MCI)/ Mad Cosmos Devices (MCD)/ Mad Cosmos Peripherals (MCP)/ Mad Cosmos Gizmo (MCG)/ Mad Cosmos Additions (MCA)/ Mad Cosmos Plus (MCP)/ Mad Cosmos Essentials (MCE)]

Mad Astron [Mad Astron Accessories (MAA)/ Mad Astron Optics (MAO) / Mad Astron Instruments (MAI)/ Mad Astron Devices (MAD)/ Mad Astron Peripherals (MAP)/ Mad Astron Gizmo (MAG)/ Mad Astron Additions (MAA)/ Mad Astron Plus (MAP)]

Liteyear [Variations: Liteyear Astronomy/ Liteyear Accessories/ Liteyear Optics/ Liteyear Instruments/ Liteyear Astrotech/ Liteyear Devices/ Liteyear Peripherals/ Liteyear Gizmo/ LiteyearAdditions/ Liteyear Astro]

GalactiGear or (Acronym: G² /or G2) [Variations: GalactiGear Astronomy/ GalactiGear Accessories/ GalactiGear Optics/ GalactiGear Instruments/ GalactiGear Astrotech/ GalactiGear Devices/ GalactiGear Peripherals/ GalactiGear Gizmo/ GalactiGear Additions/ GalactiGear Astro]

"Odyseye" [Odyseye Astronomy/ Odyseye Accessories/ Odyseye Optics/ Odyseye Instruments/ Odyseye Astrotech/ Odyseye Devices/ Odyseye Peripherals/ Odyseye Gizmo/ Odyseye Additions/ Odyseye Astro]

"Astro Prime" {Astro Prime Accessories/ Astro Prime Optics/ Astro Prime Instruments/ Astro Prime Devices/ Astro Prime Peripherals/ Astro Prime Gears} or could be "Prime Astro"

"Astrolite" {Astrolite Accessories/ Astrolite Optics/ Astrolite Instruments/ Astrolite Devices/ Astrolite Peripherals/ Astrolitegear }

Perfect Focus Astronomy

{Mad Astro Accessories/ Mad Astro Optics/ Mad Astro Instruments/ Mad Astrodevices/ Mad Astroperipherals/Mad Astrogear }

Zenith Astro {Zenith Astro Accessories/ Zenith Astro Optics/ Zenith Astro Instruments/ Zenith Astro Devices/ Zenith Astro Peripherals}

QuasarLens

Next Level Astro

Singularity Astro Optics (domain: singularityao.com)

Astrosciencia {Astrosciencia Accessories/ Astrosciencia Optics/ Astrosciencia Instruments/ Astrosciencia Devices}

AstraOptica {AstraOptica Accessories/ AstraOptica Instruments/ AstraOptica Devices}

"AstroEye" {AstroEye Accessories/ AstroEye Optics/ AstroEye Instruments/ AstroEye Devices}

"Astrolente" {Astrolente Accessories/ Astrolente Optics/ Astrolente Instruments/ Astrolente Devices} (lente = lens)

Astronomia {Astronomia Accessories/ Astronomia Optics/ Astronomia Instruments/ Astronomia Devices}

"Adastra" {Adastra Astronomy/ Adastra Accessories/ Adastra Optics/ Adastra Instruments/ Adastra Astrotech} (Ad astra is a Latin phrase meaning "to the stars")

Asterism {Asterism Astronomy/ Asterism Accessories/ Asterism Optics/ Asterism Instruments/ Asterism Astrotech}

GalactiGear [G²] (galactigear.com) {GalactiGear Astronomy/ GalactiGear Accessories/ GalactiGear Optics/ GalactiGear Instruments/ GalactiGear Astrotech}

"Odyseye" [Odyseye Astronomy/ Odyseye Accessories/ Odyseye Optics/ Odyseye Instruments/ Odyseye Astrotech]

Ambistella Optics, " ∧o "

AsterismPlus. (Domain: asterismplus.com). [Acronym/Symbol: asterism+] {inspired by the word Asterism, a prominent pattern or group of stars, typically having a popular name but smaller than a constellation.}

Mad Science Astrogadgetry (or Astrogadgetry). Domain: msastrogadgetry.com(or astrogadgetry.com). Acronym: MSA (or AG/fullword- astrogadgetry)

Astronomy Beyond (or Beyond Astronomy)

Ad Astra Optics [The name Ad Astra means “to the stars. While optics is the study of light and vision.] {The ∧∧o symbol can be printed on the accessories.}

Astra Optica Accessories (∧O∧ or ∧o) - [using "Optica" or "Optics" seems a good term to include]

Teleskyth (pronounced as "teles - kit") [short, catchy, and memorable that represents words - telescope, sky, and kit]

Cosmikit

ScopeGear

ObserverGear