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Pentax 67 and Pentax 645 Compared
Posted By: Ole, 06-13-2009, 07:37 PM

Here is a chart comparing the Pentax 645 and Pentax 67.

67645
Year introduced19891984
MountPentax 6x7 dual bayonetPentax 645 A
Meter range2.5 - 19 EV (TTL pentaprism viewfinder)3 - 19 EV
Meter patternAveragecenter-weighted
ISO range12 - 32006 - 6400
Film type120 and 220 roll film120 and 220 roll film, 70mm film
No. of exposures120 film: 10, 220 film: 21120 film: 15, 220 film: 32, 70mm: 90
Data imprint on filmNoNo
Exposure modesM, B, X, TP, Tv, Av, M, B, X
Exposure compensationNot applicable+/-3 EV
Exposure memory lockNot applicableNo
Shutter speeds (auto)Not applicable15 - 1/1000s
Shutter speeds (manual)1 - 1/1000s15 - 1/1000s
Shutter speeds (mechanical)NoneNone
Half step speeds in M and TvNoNo
Self timerNoNo
Mirror lock-upYesNo
Auto bracketingNot applicableNo
Multiple exposuresNoYes
WinderNoBuilt-in, 1.5 fps
Built-in flashNoNo
TTL flashNoYes
P-TTL flashNoNo
Sync speed1/30s1/60s
Flash exposure compNot applicableNo
AutofocusNoNo
Autofocus sensitivityNot applicableNot applicable
ViewfinderExchangeable. Pentaprism 90% coverage, waist level 100% coverage0.75x, 92% (vert), 93% (hor)
Viewfinder typePentaprism, TTL pentaprism with light meter, folding waist level, rigid waist level magnifying hoodKeplerian telescope
Diopter correctionNo-5 - +2
Exchangeable screenYes (at service center)Yes
Depth of field previewYes (on lens)Yes
Image size55 x 70 mm41.5 x 56 mm
Battery6V alkaline or silver oxide battery6 x AA
External battery packYes, for use in cold temperaturesNo
Size (W x H x D)177 x 150 x 91 mm (with TTL prism, without lens)147 x 109 x 117 mm
Weight1290 g, 1810 g with TTL pentaprisom1320 g
CommentAccepts leaf shutter lens for flash synchronization to 1/500s.
The TTL pentaprism with lightmeter couples to the shutter speed and aperture and provides for manual 'match needle' exposure setting
Accepts leaf shutter lens for flash synchronization to 1/500s.
Accessories: 120 and 220 film backs, 70mm film holder

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