Optics

In this section, we describe the optical components required for this project. You have two options for sourcing these parts: purchasing them individually through Edmund Optics, Shelyak and SVBony or acquiring a complete optical kit from Shelyak. Below are the details of each option to help you decide the best approach for your needs.

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Purchase Individual Components

Name	Ref	Link
Main refractor lense	Edmund #32-917 - D=25 F=200	https://www.edmundoptics.fr/p/25mm-dia-x-200mm-fl-mgfsub2sub-coated-achromatic-doublet-lens/2697/
Camera lense	Edmund #32-327 - D=25 F=100	https://www.edmundoptics.fr/p/25mm-dia-x-100mm-fl-mgfsub2sub-coated-achromatic-doublet-lens/2288/
Collimator lense	Edmund #32-325 - D=25 F=75	https://www.edmundoptics.fr/p/25mm-dia-x-75mm-fl-mgfsub2sub-coated-achromatic-doublet-lens/2287/
Mirror	Edmund #46-716 - 23x16x5mm	https://www.edmundoptics.fr/p/16-x-23mm-uv-enhanced-aluminum-lambda4-mirror/7050/
Plane holographic reflection grating	Edmund #15-755 - 2400 l/mm - 25x25mm	https://www.edmundoptics.fr/p/2400-grooves-25x25mm-200-800nm-holographic-high-performance-reflection-grating/43683/
Neutral density 1.25" filter	SV139 - 1.25inch - ND 0.9	https://www.svbony.com/sv139-nd-filter/#W9108B
Slit	Sol’Ex / SUNSCAN 2 positions 7 – 10 µm (GEN2)	https://www.shelyak.com/produit/fente-solex-sunscan-2-positions-7-10-%c2%b5m-gen2/

Optical Kit - Shelyak

Alternatively, Shelyak offers a convenient kit that includes all the required optics pre-selected and ready to assemble. This option is ideal for those who want to minimize the risk of error and ensure all components are compatible with each other.

https://www.shelyak.com/produit/optical-kit-for-sunscan-spectroheliograph/?lang=en

What’s Included in the Shelyak Kit:

• All necessary lenses, mirror.

• Holographic reflection grating for light dispersion.

• Slit.

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