Noodler's Ink — Noodler's Ink

Medieval Lapis Konrad Flex Review: A Pen and Ink Match Made in History

Medieval Lapis Konrad Flex Review: A Pen and Ink Match Made in History

By Noodler's Ink — Noodler's Ink | Published: 2026-08-01

Category: Product Reviews

Discover the Medieval Lapis Konrad Flex fountain pen and its perfect pairing with Noodler's Medieval Lapis ink. A detailed review of flex writing, design, and performance.

When it comes to fountain pens that offer both character and performance, the Konrad series from Noodler's Ink has long been a favorite among enthusiasts. The Medieval Lapis Konrad Flex takes this beloved design and wraps it in a stunning blue-black resin that evokes the illuminated manuscripts of the Middle Ages. But does the pen live up to its historical inspiration? In this review, we'll dive deep into the design, writing experience, and how it pairs with the matching Medieval Lapis ink.

The Konrad is known for its versatility—it can be used with standard ink cartridges, converters, or even as an eyedropper. But what really sets the Medieval Lapis Konrad Flex apart is its flex nib, which offers line variation that modern rigid nibs simply can't match. Whether you're a calligraphy enthusiast or just love expressive writing, this pen promises to deliver. Let's see if it delivers on all fronts.

Design and Build Quality

The Medieval Lapis Konrad Flex features a rich, deep blue resin that shimmers with subtle gold flecks, reminiscent of lapis lazuli—the prized stone used in medieval art. The material feels sturdy yet lightweight, making it comfortable for long writing sessions. The cap screws on securely with a satisfying twist, and the clip is firm but flexible, easily sliding over a pocket or notebook cover.

The pen is a piston-filler, which means you can fill it directly from a bottle of ink, maximizing ink capacity. The piston mechanism operates smoothly, and the clear barrel allows you to monitor your ink level—a practical touch for a pen that's also a visual stunner. The grip section is comfortable, with a slight taper that accommodates both standard and tripod grips.

  • Rich blue resin with gold flecks, inspired by medieval lapis lazuli
  • Piston-filler mechanism for high ink capacity
  • Comfortable grip for extended writing sessions

The Flex Nib Experience

The heart of the Medieval Lapis Konrad Flex is its steel flex nib. Unlike a standard nib, this one is designed to spread its tines under pressure, producing thick and thin strokes that add flair to your handwriting. With a light touch, you get a fine line; press down, and the line swells to a dramatic broad stroke. This makes it ideal for calligraphy, lettering, and adding expressive emphasis to everyday writing.

It's important to note that flex nibs require a gentle hand—pressing too hard can cause the tines to spread excessively or even damage the nib. However, the Konrad Flex is forgiving for beginners, and with a little practice, you'll find the sweet spot. The nib is also replaceable, so you can experiment with different sizes or styles without buying a new pen.

  • Steel flex nib offers line variation from fine to broad
  • Great for calligraphy and expressive writing
  • Replaceable nib allows customization

Pairing with Medieval Lapis Ink

No review of the Medieval Lapis Konrad Flex would be complete without testing it with the ink that shares its name. Noodler's Medieval Lapis ink is a deep, saturated blue with a hint of purple, echoing the pigment used in medieval manuscripts. When used in the Konrad Flex, the ink flows beautifully, showing off its shading—where the color transitions from dark to light within a single stroke.

The ink dries relatively quickly, but it's not waterproof, so be cautious with spills. It also has a pleasant, subtle scent that some users find appealing. The combination of the flex nib and this ink creates stunning results, especially on high-quality paper that can handle the heavy ink flow without feathering. If you're a fan of historical aesthetics, this pairing is a must-try.

  • Deep blue-purple color with excellent shading
  • Dries quickly on most papers
  • Flows well in flex nibs, enhancing line variation

Comparing with Other Noodler's Pens

If you're new to Noodler's, you might wonder how the Medieval Lapis Konrad Flex stacks up against other models. The Konrad series is known for its affordability and performance, but there are other options like the Ahab or the Creaper. The Ahab is larger and has a more pronounced flex, while the Creaper is smaller and more portable. The Konrad sits in between, offering a balanced size and flex that suits most users.

For instance, the 15048 Oklahoma Ahab is a popular choice for those who want a bigger pen with a bolder flex. On the other hand, the 15032 Creaper's Cobalt Flex is more compact and budget-friendly. The Medieval Lapis Konrad Flex, however, stands out for its unique color and the fact that it's a limited edition—making it a collector's item as well as a writing instrument.

15048 Oklahoma Ahab
15048 Oklahoma Ahab
  • Konrad offers a middle ground between Ahab and Creaper
  • Limited edition color adds collectibility
  • Flexibility is suitable for both beginners and experts

How to Get the Best Performance

To get the most out of your Medieval Lapis Konrad Flex, start by flushing the pen with water and a drop of dish soap before first use. This removes any manufacturing oils that can affect ink flow. When filling, be sure to fully saturate the feed to avoid dry starts. Use a light touch when writing, and let the nib do the work—don't force it.

Experiment with different inks to find your favorite. While the matching Medieval Lapis ink is a natural choice, the pen also performs well with other Noodler's inks like the 19005 Turquoise or the 19052 Dark Matter. Each ink will bring out different characteristics in the flex nib, so don't be afraid to explore.

  • Flush the pen before first use
  • Use a light hand to avoid nib damage
  • Try different inks to discover new effects

The Medieval Lapis Konrad Flex is more than just a writing tool—it's a piece of art that pays homage to the past while delivering modern performance. Its stunning design, reliable flex nib, and compatibility with a range of inks make it a worthy addition to any collection. Whether you're a seasoned fountain pen user or just starting your journey, this pen offers a unique experience that's hard to beat. Pair it with the matching Medieval Lapis ink for the full effect, and you'll be transported to a time when writing was an art form.

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