This premium telephoto zoom offers a constant F4 aperture throughout its entire zoom range. Coupled with excellent sharpness even from max aperture and a proven weather sealed built, this is one of the most popular Pentax lenses among advanced enthusiasts and professionals alike.
Looking for a compact yet exceptionally sharp lens? Look no further than the Pentax 40mm pancake! Just over a centimeter tall, this is one of the smallest DSLR lenses out there today from any brand. It's also one of the most popular and highest-rated Pentax lenses: its SMC predecessor has withstood the test of time with a score of 9.8 in our lens review section. Also available in both black or silver all-metal finishes.
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If you live in the US, shop with confidence at and : the two largest Pentax retailers that stock the entire Pentax lineup year-round. Amazon also carries the majority of Pentax products, though not all sellers are authorized. If you're in the UK, carries the full Pentax lens line. If you live elsewhere in the EU, UK-based will ship straight to your door, or you can opt for one of dozens of local retailers. Users in Australia and New Zealand can order directly from the official Pentax distributor, Orders under $1000 (AUD) can also be imported to Australia from the aforementioned US retailers with no added GST. If you're in Canada, you can order most items from B&H and Adorama with little or no customs fees, or shop at local photo retailers such as .
I tried to use Pentax lenses on Sony but it simply does not have sense. Adapter is so big because of long flange distance even a Pentax pancake lens become so huge Sony’s body. In adition to that it is dumb adapter without any control of the lens: no apperture, no autofocus, no nothing. I am talking about most expensive Voigtlander adapter for using Pentax lenses on Sony cameras. So Pentax lenses are for Pentax and Sony/Zeiss are for Sony. If Pentax FF will be good I have no doubt which system I will sell.