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Pentax 645 Lens Overview
These lenses are designed specifically for Pentax's line of medium format cameras. They can be adapted onto K-mount DSLRs via an adapter, but this is typically not convenient as 645 lenses are much larger physically than a corresponding K-Mount lenses.

Series overview:
-"A" lenses are manual focus (1980's)
-"FA" lenses are autofocus (1990's)
-"DA" and "DFA" lenses are optimized for digital and most feature silent autofocus and weather sealing.

The lenses in this category all have wide angles of view.

Pentax Lens Review Database » Pentax 645 Medium Format Lenses » 645 Wide-Angle Primes
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  Lenses Rating Average Price User Reviews
1332343202_DA_645D_25mm_F4_Vertical_TranspBckgrnd_sm_large.jpg
SMC Pentax-DA 645 25mm F4 AL [IF] SDM AW
Supersonic AutofocusQuick ShiftWeather SealedInternal FocusingBuilt-in HoodAutomatic ApertureMedium-Format SupportAdapter needed for DSLRs
9.50 $5,500
Buy Lens
3 reviews
Pentax-645d-DFA_25mm_F4.jpg
SMC Pentax-D FA 645 25mm F4 AL [IF] SDM AW
Supersonic AutofocusQuick ShiftWeather SealedInternal FocusingBuilt-in HoodAutomatic ApertureMedium-Format SupportAdapter needed for DSLRsDiscontinued
9.50 $4,995 2 reviews
HD645DFA35mm.jpg
HD Pentax-D FA 645 35mm F3.5 AL [IF]
Screwdrive AutofocusQuick ShiftInternal FocusingAperture RingAutomatic ApertureMedium-Format SupportAdapter needed for DSLRs
9.67 $1,599
Buy Lens
3 reviews
SMC_Pentax-FA_645_35mm_F35.jpg
SMC Pentax-FA 645 35mm F3.5 AL [IF]
Screwdrive AutofocusInternal FocusingAperture RingAutomatic ApertureMedium-Format SupportAdapter needed for DSLRsDiscontinued
9.20 $1,100
Buy Lens
6 reviews
SMC_Pentax-A_645_35mm_F35.jpg
SMC Pentax-A 645 35mm F3.5
Manual FocusAperture RingAutomatic ApertureMedium-Format SupportAdapter needed for DSLRsDiscontinued
9.29 $503 18 reviews
SMC_Pentax-FA_645_45mm_F28.jpg
SMC Pentax-FA 645 45mm F2.8
Screwdrive AutofocusAperture RingAutomatic ApertureMedium-Format SupportAdapter needed for DSLRs
8.29 $332
Buy Lens
7 reviews
Pentax645_45mm.jpg
SMC Pentax-A 645 45mm F2.8
Manual FocusAperture RingAutomatic ApertureMedium-Format SupportAdapter needed for DSLRsDiscontinued
8.80 $188 6 reviews
smc_PENTAX-D_FA_645_55_2_8_AL_IF_SDM_AW.jpg
SMC Pentax-D FA 645 55mm F2.8 AL [IF] SDM AW
Supersonic AutofocusQuick ShiftWeather SealedInternal FocusingAutomatic ApertureMedium-Format SupportAdapter needed for DSLRs
9.82 $872
Buy Lens
12 reviews
SMC_Pentax-A_645_55mm_F28.jpg
SMC Pentax-A 645 55mm F2.8
Manual FocusAperture RingAutomatic ApertureMedium-Format SupportAdapter needed for DSLRsDiscontinued
9.00 $181 11 reviews



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