Hot Deal: Canon EF 400mm f/2.8L IS II $7999 (reg. $9999), EF 600mm f/4L IS II $9499 (reg. $11499)

Ef 400mm

You can save big on two big Canon super telephoto primes at our exclusive partners Adorama and B&H Photo.

Canon EF 400mm f/2.8L IS II on sale at $7,999 (compare at $9,999) at Adorama | B&H Photo

Canon EF 600mm f/4L IS II on sale at $9,499 (compare at $11,499) on sale at Adorama | B&H Photo

More selected and exclusive deals:

More hand-picked deals are listed here.

Authorised Canon retailer B&H Photo has discounted EOS 5D Mark IV and EOS 6D Mark II bundles on offer for the holidays.

We offer 10% discount to subscriptions to Pixpa all-in-one platform for photographers.

Today’s Gold Box and one day only deals at Amazon USAmazon DEAmazon UKB&H Photo, eBayAdorama.

Canon Europe stores have a cash back promotions going on:

Refurbished lenses and DSLRs at Canon Store (best deals to be found here)

Save $10 on Luminar 4 and/or Aurora HDR 2019 using our code “WATCH” at checkout.

Canon Patent For 400mm, 600mm and 800mm Telephoto Lenses With Diffractive Optical Elements

Canon Patent

Hi Lows Note spotted a Canon patent application (2019-028317) for 400mm f/4, 600 mm f/4, and 800 mm f/5.6 telephoto lenses with DOE (Diffractive Optical Elements).

Focal distance 582.00 
F number 4.12 
Half field angle (degree) 2.13 
Image height 21.64 
Whole length of the lens 394.25 
BF 62.79 

Focal distance 405.00 
F number 4.12 
Half field angle (degree) 3.06 
Image height 21.64 
Whole length of the lens 330.16 
BF 50.46 

Focal distance 795.00 
F number 5.60 
Half field angle (degree) 1.56 
Image height 21.64 
Whole length of the lens 490.24 
BF 105.13 

More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production in the next few years are these: