Pentax 645 Sensor Size

We took the 645d for a few spins around town.

Pentax 645 sensor size.

The shape of the pentax 67 is broadly similar to a 35 mm slr camera. Previous models include the pentax 645 and 645n and pentax 6x7 and 67. These numbers are important in terms of assessing the overall quality of a digital camera. Hassleblad s and early mamiya s bronica s yashicamat s were 6cm x 6cm.

Generally the bigger and newer the sensor pixel pitch and photosite area and the smaller the pixel density the better the camera. 43 8 x 32 8 mm lens. Though big and pricey the pentax 645d is surprisingly nimble and makes amazing pictures. The pentax 645 system is versatile and modern with many of the automated features found in todays fancy dslr s yet offers all the manual features of the old rugged film cameras of days gone by.

Comparison of pentax 645z 51 4mp and pentax 645d 40mp on sensor size 55mm diagonals pixel pitch pixel density and more. Pentax 645a f2 645a f and 645a mount lenses compatible. In fact the pentax 645 is still in production today as a 50mp fixed back medium format digital camera. By contrast the pentax 645 resembles other medium format cameras by makers such as mamiya and bronica which tend to be cube shaped.

These cameras build on the pentax slr design experience. The pentax 645d is a digital single lens reflex camera introduced in 2010. Pentax 645 bayonet medium format size sensor 645d summary. 156 mm w x 117 mm h x 123 mm d excluding protrusions weight.

It is approximately the same size and shape as the earlier film models and the lens mount accepts older manual and auto focus lenses. Cmos with a primary color filter size. The mamiya rb67 and pentax 645 were promoted on the basis that they were a better use of film for non square prints especially 8x10. 1550 g including dedicated battery and an sd memory card approx.

1470 g body only. Pentax 645z has a pixel density of 3 53 mp cm. In summary the iso performance between a medium format sensor and a full frame sensor is obviously pretty pronounced and for a good reason the larger sensor size does make a difference pentax smc fa 645 45 85mm f 4 5 lens.