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Additional Add-Ons for Custom Ring Systems

Name: Additional Add-Ons for Custom Ring Systems
Rating: 5.00 (1 reviews)

Additional Add-Ons for Custom Ring Systems

$18.99

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Add-On Finderscope Shoe General-Purpose Accessory Rail ZWO EAF Adapter Kit Gemini EAF Adapter Kit 2x 45mm Riser Blocks Replacement Lens Ring

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Need some additional add-ons for the custom ring kit you ordered? Order them here.

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Total Price: $18.99

Customization options — Additional Add-Ons for Custom Ring Systems

Previous Order Number (optional) — We need to know the sizes of your existing custom rings to make add-ons that fit. Please either enter the order number from your previous ring order so we can look up your measurements, or enter the same measurements below. ()
What Lens Is This For? (required) — (e.g., Sigma 85mm F1.4 DG DN Art)
What Camera Mount is Your Lens? (required) — (e.g., Canon EF, Nikon F, M48, etc.)
Ring Size (optional): (+0) — ()
Extra Thick Front Ring (optional): (+0) — Increases the front ring width from 15mm to 30mm. ()
Extra Thick Rear Ring (optional): (+0) — Increases the rear ring width from 15mm to 30mm. ()
Do you need a new front ring or rear ring? (required): Front Ring, Rear Ring — ()
- Front Ring —
- Rear Ring —
Ring Size (optional): (+0.007) — ()
Extra Thick Front Ring (optional): (+19) — Increases the front ring width from 15mm to 30mm. ()
Extra Thick Rear Ring (optional): (+0) — Increases the rear ring width from 15mm to 30mm. ()
Ring Size (optional): (+0.007) — ()
Extra Thick Front Ring (optional): (+0) — Increases the front ring width from 15mm to 30mm. ()
Extra Thick Rear Ring (optional): (+19) — Increases the rear ring width from 15mm to 30mm. ()
Distance Between Ring Centers (optional): (+0) — If your previous order included any add-on plates, you may leave this blank — we've already got this measurement from you. ()
Diameter of the Helical Focuser (optional) — ()
Distance from Front Ring to Focuser Gear (optional) — Note: A few lenses are not able to be adapted to work with an EAF. If this is the case, we'll contact you and discuss options. You can always opt to cancel your order if so. ()
Include 5mm Allen Key? (required): No; I have my own, Yes — () — Automatically updates to show the allen keys requied for your selected configuration
- No; I have my own —
- Yes —
Include 2.5mm and 5mm Allen Keys? (required): No; I have my own, Yes — () — Automatically updates to show the allen keys requied for your selected configuration
- No; I have my own —
- Yes —

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Additional Add-Ons for Custom Ring Systems

Additional Add-Ons for Custom Ring Systems

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