Patents : Canon RF 400mm f/2.8L, RF 500mm f/4L, RF 600mm f/4L IS USM Lenses

Canon has filed new patents in Japan. These applications are for three super telephoto prime lenses named as RF 400mm f/2.8L IS USM LensRF 500mm f/4L IS USM Lens, and RF 600mm f/4L IS USM Lens.

We already know that the first super telephoto prime glass in RF-series lens lineup will be the RF 500mm f/4L. In the past, Canon tends to announce super telephoto prime lenses in pairs, so it is a possibility to expect another one like RF 400mm f/2.8L IS USM Lens. Continue reading “Patents : Canon RF 400mm f/2.8L, RF 500mm f/4L, RF 600mm f/4L IS USM Lenses”

Canon RF 24mm f/1.4L USM Lens and New RF Macro Coming in Early 2020

Canon RF 24mm f/1.4L USM Lens and a new RF-series Macro optic is rumored to be announced in the beginning of 2020. Along with these two lenses, the  also mentioned for early 2020 announcement.

Designed for Canon EOS R and EOS RP full frame mirrorless cameras, the new macro RF lens will be “first of its kind macro lens“, currently, there is not much info about this lens. Continue reading “Canon RF 24mm f/1.4L USM Lens and New RF Macro Coming in Early 2020”

Patent : Tamron 485mm f/5.8 Lens for Micro Four Thirds

Tamron has filed a new patent in Japan. This patent describes a Tamron 485mm f/5.8 lens for mirrorless cameras with Micro Four Thirds image sensors.

If we see this in mass production than it would be Tamron’s second optic for Micro 4/3rds. First one released back in mid-2014 as the Tamron 14-150mm F/3.5-5.8 Di III ($399). Tamron 480mm f/5.8 Lens for Micro Four Thirds will offer a 960mm equivalent range in 35mm format and probably use a stepper motor for silent autofocus.  Continue reading “Patent : Tamron 485mm f/5.8 Lens for Micro Four Thirds”

New Patents: Canon RF 17-35mm f/4-5.6, RF 135mm f/1.8L & RF 100mm f/1.4L USM Lenses

New Canon patents have been appeared on the web. The patent applications are for  Canon RF 17-35mm f/4-5.6, RF 135mm f/1.8L & RF 100mm f/1.4L USM Lenses.

Designed for Canon EOS R and EOS RP full frame mirrorless cameras, these are excellent lens options, especially the L series RF 100mm f/1.4 looks promising.  Continue reading “New Patents: Canon RF 17-35mm f/4-5.6, RF 135mm f/1.8L & RF 100mm f/1.4L USM Lenses”

Canon Lens Patents : RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8

Here are the latest Canon lens patents discovered online. The patent applications are for RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8 lenses.

Designed for Canon full frame mirrorless camerasystem, the two non-L lenses are the affordable candidates for the consumer market. There is also Canon RF 70-200mm f/4L lens.

EOS R is the first camera to feature the RF lens mount with a 12-pin connection, flange back distance of 20mm and a wide 54mm mount diameter enabling even greater flexibility in lens design. Continue reading “Canon Lens Patents : RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8”

Patent : Canon RF 400mm f/4 DO, 600mm f/4 DO, 800mm f/5.6 DO Lenses

Canon has filed a new lens patent for RF 400mm f/4 DO lens, 600mm f/4 DO lens, and 800mm f/5.6 lens.

According to hi-lows-note these lenses could be RF mount and designed for the Canon full frame mirrorless camera system a.k.a EOS R series models.

Remember next EOS R series full frame mirrorless cameras rumored to feature IBIS. So this makes sense that RF 400mm f/4 DO, RF 600mm f/4 DO, RF 800mm f/5.6 DO lenses could be made for Canon RF mount. Below are the details of the patent. Continue reading “Patent : Canon RF 400mm f/4 DO, 600mm f/4 DO, 800mm f/5.6 DO Lenses”

Canon RF 70-300mm f/4-5.6 IS Lens Patent

Here is a Canon patent application (2019-020679) for a RF 70-300mm F/4-5.6 IS lens. Designed for Canon full frame mirrorless camera system, this lens is the EOS R version of the budget-friendly telephoto zoom for the consumer market.

EOS R is the first camera to feature the RF lens mount with a 12-pin connection, flange back distance of 20mm and a wide 54mm mount diameter enabling even greater flexibility in lens design.  The EOS RP is also coming. Continue reading “Canon RF 70-300mm f/4-5.6 IS Lens Patent”