National Offset Warehouse Unveils New Web Design & Mobile Site!

Purchase your press consumable without ever leaving the pressroom!

This past month, National Offset Warehouse unveiled a re-designed website aimed at giving pressman and pressroom managers, a cleaner, easier, shopping experience. Time is money when running printing presses and we figured anything we could do to reduce effort during your buying experience would fits with our goal of saving offset printers money! We now feature a mobile optimized theme that will load automatically from your iPhone or Android device. You can now browse press consumables and make purchases right from your smartphone. Of course, if you find it easier to browse from a desktop PC, you’ll find our website has been re-designed to put more products in front of you making it easier to find what you need.

Heidelberg Ink Fountain Liners

Check out our redesigned Ink Fountain Liners Page

Heidelberg Replacement Air Filters

Find your products right from the pressroom!

Lower Prices on Technotrans Water Filters!

You’ve spoke and we’ve listened. Many of you have called in asking about quantity discounts when it comes to your Technotrans water filters. Ask and you shall receive! We now offer volume pricing on the Technotrans Water Filter Bag #FBC-23A. Our normal price is $31 and when you order 4 or more, the price drops to $27.50, and if you want to save even more you can order 10 for a low price of $25.50 each! Click the image to be taken to our site to learn more.

technotrans water filter bag for recirculators


New Informative Product Categories

We’re working hard to put our 40 years combined experience in the offset printing industry to work. One way we’re doing this is adding more product information to our categories, as well as providing links to similar products you may also find useful. For instance, someone searching for Ink Fountain Liners, may also be interested in Tesamol Strips and Foil underliner. By placing these links right on our category pages, we make it easy for you to find all the products you need to keep your press running smoothly. Go ahead, try it out by clicking here.

Using Loupes and Magnifiers in the pressroom? See our handy guide below!

Last but not least, we get a lot of calls and emails asking about what loupe or magnifier is best for the job. To better server you, we’ve put together a guide to pressroom loupes and other magnifiers below. Click here to see the full guide

Magnifier Recommendations
Magnifier Usage
x 1″ Linen tester (6X)
General-purpose work.  The graphic arts most popular magnifier.
Round Stand Magnifier
Large 60 mm field-of-view is ideal for viewing color transparencies on a slide sorter or light box
Plastic Base Loupe
Excellent working distance, wide field and clear base makes this unit best suited for darkroom and stripping areas.
10X & 12X LithoMags Sufficient working distance to be used in stripping department for touch-ups.  Achromatic lens system is perfect for press checks.
20X LithoMag Higher magnification shows some spherical aberration.  Reduced working distance.  Best suited for camera focusing, registration checks, slur and gain checks.
Swivel Base Loupes
Moderate working distance allows unit to be used in stripping department.  Use in pressroom for registration checks.
Swivel Base Loupe
Achromatic lens system.  Reduced working distance due to high magnification.  Lens shows some spherical aberration.  Adjustable focus lens with locking ring.  Best suited for critical camera focusing, registration checks, dot gain and slur checks.
50X, 75X and 100X Pocket Microscopes
Used for close-up inspection of small areas.  Pen-style makes them handy to keep in your shirt pocket.
– 200X Stand Microscopes
Used for the most critical checking of register and dot structure. Should be used to view printed circuit boards and bar codes.
8X Econo Loupes General inspection work in pressroom and camera department.  Clear plastic skirt prevents working under lens, so they are not recommended for stripping.
Peak Loupes
Large format for viewing 120/220 film, focusing on ground glass of cameras

Last but not least, if you have any questions at all, please call our friendly customer service at 800-669-0564 or email us at

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Peak Loupes, Magnifiers, and Microscopes

National Offset Warehouse is a premier distributor of loupes, magnifiers, and microscopes manufactured by Peak Optics. As our one of our best selling  products for printers, we decided to dedicate an entire “Peak Optics” category on our website. Customers can now find our all our Peak products by navigating to Tools => Peak Optics. There you will find our assortment of Peak Loupes, Peak Magnifiers, and Peak Microscopes at discount prices on one easy to view page- Just another way National Offset Warehouse is saving you time and money. Check them out today!

Peak plastic loupe with clear skirt

Peak plastic loupe with clear skirt

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