Quick answer
Buy the Standard Case built for your exact model: the iPhone XS version for an iPhone XS and the iPhone X version for an iPhone X. Both are thin mounts for compatible SANDMARC lenses, but they are separate products, so one case will not serve both phones.
Why iPhone X and XS need separate cases
The Standard Case is shaped around one phone model, and SANDMARC lists the iPhone X and iPhone XS versions as distinct SKUs (SMU-220 and SMU-224). That matters if you are shopping secondhand or upgrading within the X generation: a case that fits one model is not sold as a fit for the other.
The catalog does not publish camera cutout dimensions or lens-mount tolerances, so treat the model label as the deciding specification rather than assuming the two phones are interchangeable. If you own both phones, plan on two cases.
What the Standard Case does and does not add
This is a lens mount case, not a rugged protective shell. Its job is to give supported SANDMARC lenses a dedicated attachment point while keeping a slim profile. If drop protection is your priority, this case is the wrong tool.
The catalog also does not list color options or bundled accessories for either model, so check the product page for what is currently included before you order.
Standard Case fit questions, answered
Will the iPhone XS Standard Case fit my iPhone X?
No. They are separate products with separate SKUs, and SANDMARC does not list either as cross-compatible with the other phone. Match the case to the phone you actually carry. Check the model name in the product title before checkout, not just the word Standard.
Which SANDMARC lenses work with the iPhone XS case?
The XS Standard Case is listed as compatible with SANDMARC Wide, Telephoto, Fisheye, and Macro lenses. Lenses outside that list are not confirmed by the catalog.
Which lenses work with the iPhone X case?
The iPhone X Standard Case is described as compatible with SANDMARC lenses generally. The catalog does not name individual lens types for this model, so confirm the specific lens you own on its product page. If you shoot with a niche lens, verify it before ordering rather than relying on the general compatibility line.
Is this a protective case?
No. It is a thin lens case mount designed to hold compatible lenses, not a drop-rated shell. Use it as a mounting base, not as your only protection.
Does the catalog list colors or included accessories?
No. Color options and box contents are not supplied for either model, so check the live product listing for current details.
Is it worth buying a lens case for an older iPhone?
If you still shoot with an iPhone X or XS and want to use SANDMARC lenses, a model-specific mount is the practical way to keep those lenses in service. If you have moved to a newer phone, look at the case built for that model instead. Confirm your current phone model first; an older iPhone lens case only helps if you still use that phone.
Model facts at a glance
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Standard Case - iPhone XS: Standard Case for iPhone XS (SKU SMU-224) is compatible with SANDMARC Wide, Telephoto, Fisheye, and Macro lenses. If you already own or plan to buy any of those four lens types, this is the XS case that mounts them.
Standard Case - iPhone XS
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Standard Case - iPhone X: Standard Case for iPhone X (SKU SMU-220) is listed as compatible with SANDMARC lenses. The catalog names the iPhone X model specifically, so X owners should choose this SKU rather than the XS version.
Standard Case - iPhone X



