Archival Methods 4-Ply Antique White 100% Cotton Museum Board contains 25 boards that measure 14 x 18" each. The board is a high-quality mat board used for many fine print and document projects. Whether for traditional print or digital technology, this board will provide a solid, acid-free backing that is perfect for display purposes. It can also be used for small mat cutting where, for example, a 2-ply board will provide a 1/32" separation between the work and the glazing.  

Your best print deserves the best mount possible. Presentation is half the battle and Archival Methods gives you the way to show off your best work. This is quality board designed for archival display.

For window mats and mat backing, Archival Methods recommends a thickness of 4-Ply, which creates a 1/16" separation between artwork and glazing and provides a flat, supportive backing.

4-Ply    100% Cotton Fiber    Acid and Lignin-Free    Buffered with Calcium Carbonate    Protects Prints from Pollutants    Manufactured to Museum Standards    Pulp-Free    Alkaline-Free    Aluminum-Free    Made in USA

100% cotton fiber

Processed with artesian well water - pollutant and alkaline-free

Acid and lignin-free (Lignin content is tested by TAPPI 236 cm-85 and has a Kappa number of less than five)

Calcium carbonate buffer maintains proper pH levels and protects against airborne pollutants (2-3% alkaline reserve, pH 9 +/-0.5, acid-free)

Pulp-free - Contains no metal particles, waxes, plasticizers or residual bleach peroxides

Alkaline, alum-free sizing is used internally and across external surfaces

Related Questions and Answers

Q: 1. Can you use a hot shoe mount or flash with this camera?

A: Yes Canon EOS R50 Mirrorless Camera with 18-45mm Lens (Black) accepts flashes that have multi function shoe like the Canon EL5. If you use the Canon AD-E1 Multi-Function Shoe Adapter on the R50 you can use legacy flashes that don't have the multi function shoe. https://www.bhphotovideo.com/c/product/1663792-REG/canon_4943c001_ad_e1_multi_function_shoe_adapter.html

Q: 2. When I am using Av mode what is the upper time limit? Am I able to shoot up to the 30 second limit in M mode?

A: Yes, setting your selection of the Av or M mode on the top dial still allows you to use up to the 30-second shutter limit on the Canon EOS R50 Mirrorless Camera (Black) (B&H# CAER50). As with almost any similar camera, the bulb mode may be used for shots longer than that, and the shutter will remain open until you close it even several minutes later.

Q: 3. does the 120p have audio and autofocus?

A: The slow motion (120p) setting on the Canon EOS R50 Mirrorless Camera (Black) has autofocus, but it will not record audio.

Q: 4. Is this a good camera for taking portrait photography?

A: You can get some amazing portraiture work with the R10. However, most photographers can agree that a good lens would help get the most out of the camera body. If you want to do portraiture mostly, you can try using a canon's 50mm F1.8 lens along with this body.

Q: 5. Will the R50 fit the EOS lenses?

A: The Canon EOS R50 Mirrorless Camera has a Canon RF lens mount. The two lenses included in the Canon EOS R50 Mirrorless Camera with 18-45mm and 55-210mm Lenses (Black) also have Canon RF lens mounts and are compatible with the camera. If you have Canon EF or EF-S lenses for a Canon DSLR, you could use those lenses with the Canon Mount Adapter EF-EOS R. Here is the link: https://bhpho.to/2MENgLL.

Q: 6. Does the articulating screen turn to cover and protect the view screen?

A: Yes, the Canon EOS R50 Mirrorless Camera with 18-45mm Lens (Black) features a fully articulating LCD screen. It allows you to turn over and close the screen to protect it.

Q: 7. What are the key differences between a Canon R50 and R10?

A: The Canon EOS R10 Mirrorless Camera would be faster than the Canon EOS R50 Mirrorless Camera with some higher quality video features. The R50 has some more buttons and dials for easier direct control.

Q: 8. R50 30 min limit?

A: The Canon EOS R50 is capable of recording up to 1 hour depending on the space on the SD card being used.

Q: 9. What's the R50 built-in flash guide number?

A: Most internal pop-up flash units are fairly powerful, with a guide number of 12 meters or 39 feet at ISO 100 in full manual mode.

Q: 10. Does it have a headphone input? if no, how can I monitor the audio?

A: No, the Canon R50 does not offer any headphone jack.