Thorlabsbeam splitter

Material BK7, UV FS Surface quality 40-20 scratch & dig (MIL-PRF-13830B) Surface flatness λ/4 @ 633 nm Clear aperture 90% of the face size Beam deviation <3 arcmin Dimension tolerance ±0.3 mm Laser  Damage  Threshold 0.3 J/cm2  10 ns pulses at 1064 nm

Polarizationbeam splitter

Polarizing film is coated on the internal face of a cube beamsplitter. Thin film polarizers utilize the polarization wich occurs on reflection deviated by 90° angle. Cube polarizing beamsplitters can be optimized for a particular wavelength to give superior performance for laser applications.

Beam splitter

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Dichroicbeam splitter

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The staple Sigma 50mm 1.4 DG HSM has been redesigned and reengineered to set a new standard for the Art line. With a large 1.4 aperture, the Sigma 50mm 1.4 prime lens is a pro level performer for shooting everything including portrait photography, landscape photography, studio photography and street photography.  A Hyper Sonic Motor (HSM) ensures quiet, smooth and accurate autofocusing and paired with Special Low Dispersion (SLD) glass and Super Multi-Layer coating, the 50mm 1.4 is a high performance lens for the modern DSLR sensors. 13 elements in 8 groups allow for unsurpassed performance even at wide apertures and close-up photography is easily managed with a minimum focusing distance of 40cm. The Sigma 50mm 1.4 lens is the new exceptional standard, standard prime.

All SIGMA lenses purchased from authorized Canadian retailers are backed by a seven year Canadian warranty. Our factory trained technicians perform most repairs on-site at our facility in Markham, Ontario.

Polarizing film is coated on the internal face of a cube beamsplitter. Thin film polarizers utilize the polarization wich occurs on reflection deviated by 90° angle.