SKS Microscopes and Loupes now at National Offset Warehouse

SKS microscopes and loupes are now being carried at National Offset Warehouse. We decided to add these products after seeing how well our Beta, Peak, and Lithco printing loupes were selling. The SKS loupes start at under $25, while the SKS microscopes start at $185.

SKS stand microscopes with or without reticles

The SKS stand microscopes come in 25X or 50X versions. They are available with or without reticle in standard or metric measuring units. With all these options, it’s eays to find the perfect microscope for your printing job. See the table below to find the exact microscope for your pressroom.

SKS loupes and microscopes offer high performance, yet are simplified practical instruments with very sharp resolution. The observed image is very clear as the result of careful optical correction. All of the SKS loupes and scopes offered by National Offset Warehouse feature top quality optically ground glass lenses.

Description Power Measuring Range Scale Divisions Unit of measure Part Number
SKS Stand Microscope 25x N/A w/o Reticle N/A OPT-SM25
SKS Measuring Stand Microscope 25X .12″ .002″ Standard OPT-SMR25
Metric OPT-SMR25M
SKS Stand Microscope 50X N/A w/o Reticle N.A OPT-SM50
SKS Measuring Stand Microscope 50X .06″ .001″ Standard OPT-SMR50
Metric OPT-SMR50M

Moving on to SKS J-10 and J-15 Loupes. This is a product we’ve had for a while but thought they deserved a mentioned do to our excellent feedback on these loupes. The key to their success is their simplicity and cost. They are easy to use, high quality, and start under $25. Check out the SKS J-10 and J-15 printing loupes at National Offset

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LumaMag Add on Light for Pressroom Loupes

October must be the month of press room optics. The sun’s going down earlier, the weather’s turning cold, and we have the products to keep your print jobs registered and bright for your customers. As most of you know, we carry a quiver of press room loupes & optics; however in light of the shortening days, we decided to add something to help your eyes.

Add on light for loupes

The LumaMag Add-On Light works with 10X Betamax, Paragon and Lithomag folding loupes and costs $38.75, while the 12X version works with Lithomag and Betamag folding loupes and costs $41.75.

As usual each product comes the best customer support you’ve come to expect from

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Pressroom | Printroom Optics – What to use and when

We get many calls from pressroom managers asking us which loupe or magnifier is best for certain situations. Often we refer them to this handy press room loupe recommendation table to help guide them in their purchases. This table is also on our website at

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

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