For a bottomless portafilter to reveal useful information, you need the right viewing angle. The Upshot by Subminimal brings the mirror directly to the edge of your espresso cup, giving you a close-up view of every extraction as it happens. By positioning the mirror beneath the portafilter, you can easily monitor espresso flow, identify channeling, and make informed adjustments to grind size, distribution, and tamping technique.
Crafted from incredibly thin 0.6 mm tempered glass, The Upshot delivers a sleek, nearly edgeless appearance while remaining durable enough for daily use. The slightly tinted mirror enhances the rich color of espresso, making every shot easier to observe while adding a refined aesthetic to your coffee setup.
Its adjustable design allows the mirror to pivot from a nearly horizontal position to almost vertical with a simple press, making it compatible with a wide variety of espresso machines, cups, and workflows. Once you've found the ideal angle for your favorite cup, it stays ready for your next shot.
When you're finished brewing, The Upshot stores neatly using the included magnetic mounting dot, keeping it within easy reach without taking up valuable counter space. At just 38 grams, it's heavy enough to remain stable on your cup while staying lightweight and effortless to handle.
Subminimal
The Upshot
Key Features
Monitor Espresso Extractions – Watch your bottomless portafilter in real time to identify channeling, uneven flow, and extraction issues.
Cup-Mounted Design – Sits securely on the rim of your espresso cup, bringing the mirror closer to the action for a detailed view.
Fully Adjustable Viewing Angle – Easily tilt the mirror from nearly horizontal to almost vertical to match your machine and brewing setup.
Ultra-Thin Tempered Glass – Constructed from durable 0.6 mm tempered glass with a clean, almost edgeless appearance.
Slightly Tinted Mirror – Tempered glass provides a subtle dark tint that enhances the appearance of espresso during extraction.
Magnetic Storage Mount – Includes a magnetic adhesive dot for convenient storage on your espresso machine or another nearby surface.
Stable Yet Lightweight – Weighs approximately 38 grams, providing enough weight for stability without tipping your cup.
Minimalist Premium Design – Compact, elegant, and thoughtfully engineered to complement modern espresso setups.
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