Posts filed under Opus

Opus 88 Demonstrator Sapphire Fountain Pen Review

(Sarah Read is an author, editor, yarn artist, and pen/paper/ink addict. You can find more about her at her website and on Twitter. And her latest book, Root Rot, is now available for pre-order!)

Another winner in the lineup of Opus's ink tank pens. This limited edition Opus 88 Demonstrator in Sapphire is a stunning acrylic in sparkly, swirly blue and purple. The finial and end cap are a clear blue resin. The demonstrator name is a little misleading in this edition, as the body of the pen is opaque enough that you can't see much of what's going on inside. But there are cool things going on inside.

This pen is an eyedropper fill pen, and it comes with a glass eyedropper you can use to fill it. The grip section unscrews from the body, then you use the eyedropper to fill the whole entire pen body with ink. It's a lot of ink. This pleases me. Also in the pen body is an ebonite piston and gasket, which seal the ink chamber off from the feed and nib, which helps to prevent leaks and burping. To set the ink free, you unscrew the clear blue end cap, which pulls the gasket away from the feed and lets all that good ink flow. This is great for longer writing sessions, when you want to drain as much ink as possible. Then you can close the end back up for transporting the pen.

Pro tip: after filling the pen, loosen the end cap and let it sit nib-down for a few minutes. If you fill it and let it sit with the gasket closed, you're going to wonder why there's no ink flowing and be puzzled for a minute, before you realize that the ink is sealed off from the feed, so of course it's not writing, and then you'll feel kinda silly. Hypothetically.

Once it is writing, which will only take a few minutes if you are very clever, or few hours if you haven't had enough coffee that day, it writes very well. The pen uses a black stainless steel #6 JoWo nib that comes in EF, F, M, B, and a 1.5 stub. My pen has the stub nib, which is perfect for working through all that ink.

This pen ended up being the MVP of my NaNoWriMo efforts. I wrote four pens dry before I inked this one up, and it saw me through to the end of the month. The fact that it's so dang pretty doesn't hurt, either.

You can snag this pen at Pen Chalet for $140. Between the looks, function, and great build, I would likely have bought one, myself, if Brad didn’t send it to me. I'll be happily writing with this pen for a long time. Today. Because it's the last day of NaNoWriMo and I'm not done yet.

(Pen Chalet provided this product at a discount to The Pen Addict for review purposes.)


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Posted on November 30, 2023 and filed under Opus, Fountain Pens, Pen Reviews.

Opus 88 Minty Fountain Pen Review

(Jeff Abbott is a regular contributor at The Pen Addict. You can find more from Jeff online at Draft Evolution and Twitter.)

Opus 88 have always kept me interested in what they're making ever since they made it on my radar several years ago. Each pen design they release is unique and always has at least one color combo that I can't resist. Not to mention, their pens hold a ton of ink.

The Minty fountain pen is a full-sized fountain pen with an ink-dropper reservoir for holding a big supply of your favorite ink. I picked this model up in the Light Blue color option, though I'm not sure that's the most accurate name for the color. If the teal model isn't your thing, there's also an orange model, though that one looks more pink to me than orange. Either way, they're both beautiful!

The materials in this pen are what set it apart from other Opus 88 pens I have in my collection. Instead of a solid and semi-translucent body and cap, this model uses a beautiful combination of different resin colors. I love the depth and color variation that these different chunks provide. In my model, the colors vary from light green, teal, and milky white, and the finials and grip section are a fantastic dark gray color that contrast perfectly. I love the thin red band of burgundy between the teal material and the dark gray finials. You have to look closely to see it, but it really is complementary to the other colors in a way that I wouldn't anticipate.

The clip and nib are both a shiny stainless steel material, and they go great with the other cool colors on the pen body. The clip is strong and does its job well, and the nib is fantastic — just as I'd expect. The only branding on the pen is a small Opus 88 lettered on the base of the cap under the clip.

The pen is manufactured and finished to high level of tolerance, which translates to a great feel in the hand — it feels solid and like it will last a long time. The cap threads are smooth and sure, and the stopper on the back of the pen is very tight. Since the pen is an eye dropper, there's also a small o-ring on the grip section to provide a leak-proof seal. And to provide ink flow, the back finial unscrews for long writing sessions, and then closes securely for storage and transport.

The nib is a stainless steel #6 with some minimal decoration. I went for the 1.5mm stub nib, and it is wonderful. It's really wide and flows well, but it manages to keep the line edges crisp. It's buttery smooth and produces some amazing line width variation. It's definitely a good nib for showing off beautiful inks!

Due to the eyedropper filling system, you can pack a whopping 3.5ml of ink into this pen. This is a great option if you need to carry a lot of ink in one pen! And due to the tight seal and shut off valve, you don't have to worry about it leaking.

The Opus 88 Minty is a fantastic pen that packs a lot of value! The $130 price tag is a good deal considering the quality of materials, build, and writing experience it provides. This is a price bracket with a lot of competition, and I think the Minty stands up well against the other options. If you like the look of it and want a pen with a massive ink capacity, you can't go wrong here.

The Minty is pictured here with the Light Blue color option and 1.5mm stub nib. You can also get this pen in Orange material and with an EF, F, M, or B nib. At this point, I'm really happy with my Opus 88 collection, but I'm also excited to see what else they release in the future!

(Goldspot provided this product at a discount to The Pen Addict for review purposes.)


Enjoy reading The Pen Addict? Then consider becoming a member to receive additional weekly content, giveaways, and discounts in The Pen Addict shop. Plus, you support me and the site directly, for which I am very grateful.

Membership starts at just $5/month, with a discounted annual option available. To find out more about membership click here and join us!

Posted on April 12, 2023 and filed under Opus, Fountain Pens, Pen Reviews.

Opus Koloro Fountain Pen Giveaway

Opus Koloro Fountain Pen

I’m lucky to have some of the best readers on the planet, and this week’s giveaway is a prime example of that. The Opus Koloro Fountain Pen is one of the best bang-for-your-buck fountain pens on the market, and this Blue Aqua model with a Medium nib was donated - DONATED! - by a reader who wanted to get it into another Pen Addict’s hand. How cool is that?

Read the rules below, and enter away. And give a big thanks to my awesome friend for sending me this pen!

Posted on June 8, 2021 and filed under Giveaways, Opus.