Author Archives: admin

Sigma 40mm F1.4 Art Lens Review (Lenstip)

Sigma 40mm F1.4 Art review
Maciej Latałło has just posted a full review of the newly announced Sigma 40mm F1.4 DG HSM Art Lens (AmazonAdoramaB&H) at the He tested this new lens on Canon EOS 5D Mark III and found many


  • solid, stylish casing,
  • sensational image quality in the frame centre,
  • brillant image quality on the edge of the APS-C sensor,
  • fantastic image quality on the edge of full frame,
  • lack of chromatic aberration problems,
  • negligible lateral chromatic aberration,
  • imperceptible distortion,
  • excellent coma correction,
  • slight astigmatism,
  • low vignetting on the APS-C/DX sensor,
  • nice out-of-focus areas,
  • noiseless autofocus.

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New Patent: Canon RF 28-70mm F2.2-F2.8


Good News!!! After the new Canon EOS R and four new RF lenses: RF 35mm F1.8 Macro IS STMRF 50mm F1.2L USMRF 28-70mm F2L USM and RF 24-105mm F4L IS USM lens were officially announced, more Canon RF lenses are coming in the next few years. Now, Canon has filed a new patent for another 28-70mm lens. It is much smaller at 155mm compared to the RF 28-70mm f/2L USM at 200mm. Read More »

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