Pentax K Lens Tests
Lens Reviews - Pentax
Please note that the tests results are not comparable across the different test systems! This also applies to the 10mp (K10D) vs 16mp (K5) tests here because of the different AA filter characteristic between the cameras!

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Tests at 10mp (K10D)

Tests at 16mp (K5)

Pentax SMC-DA 14mm f/2.8 ED [IF]
Pentax SMC DA 15mm f/4 ED AL Limited
Pentax SMC-FA 20mm f/2.8
Pentax SMC-DA 21mm f/3.2 AL Limited
Pentax SMC-FA* 24mm f/2 AL [IF]
Pentax SMC-FA 31mm f/1.8 AL Limited
Pentax SMC-FA 35mm f/2 AL
Pentax SMC DA 35mm f/2.8 Limited
Pentax SMC-DA 40mm f/2.8 Limited
Pentax SMC-FA 43mm f/1.9 Limited
Pentax SMC-FA 50mm f/1.4
Pentax SMC DA* 55mm f/1.4 SDM
Pentax SMC-DA 70mm f/2.4 Limited
Pentax SMC-FA 77mm f/1.8 Limited
Pentax SMC-FA 100mm f/2.8 macro
Pentax SMC-D FA 100mm f/2.8 macro
Pentax SMC-K 135mm f/2.5
Pentax SMC DA* 200mm f/2.8 ED [IF] SDM
Pentax SMC-FA* 300mm f/4.5 ED [IF]

Pentax SMC DA 10-17mm f/3.5-4.5 ED[IF] Fisheye
Pentax DA 12-24mm f/4 AL ED [IF]
Pentax SMC-DA 16-45mm f/4 ED AL
Pentax SMC-DA* 16-50mm f/2.8 ED [IF] SDM
Pentax SMC-DA 17-70mm f/4 AL [IF] SDM
Pentax SMC-DA 18-55mm f/3.5-5.6 AL
Pentax SMC-DA 18-250mm f/3.5-6.3 ED AL [IF]
Pentax SMC-FA 20-35mm f/4 AL
Pentax SMC-DA* 50-135mm f/2.8 ED [IF] SDM
Pentax SMC-DA 50-200mm f/4-5.6 ED
Pentax SMC-DA* 60-250mm f/4 ED [IF] SDM
Pentax SMC-FA* 80-200mm f/2.8 [IF] ED
Pentax SMC-DA 55-300mm f/4-5.8 ED

Tamron AF 14mm f/2.8 SP Aspherical [IF]
Tamron AF 90 f/2.8 SP Di macro
Tamron AF 70-300mm f/4-5.6 LD Di macro

Tokina RMC 17mm f/3.5

Sigma AF 24mm f/2.8 macro
Sigma AF 30mm f/1.4 EX DC
Sigma AF 10-20mm f/4-5.6 EX DC
Sigma AF 17-70mm f/2.8-4.5 DC
Sigma AF 18-125mm f/3.5-5.6 DC

Helios 40-2 85mm f/1.5 (adapted)

Cosina AF 100mm f/3.5 macro

Pentax SMC DA 21mm f/3.2 AL Limited
Pentax SMC FA 31mm f/1.8 AL Limited
Pentax SMC DA 35mm f/2.4 AL
Pentax SMC DA 40mm f/2.8 Limited
Pentax SMC FA 43mm f/1.9 Limited
Pentax SMC DA 70mm f/2.4 Limited
Pentax SMC DA* 300mm f/4 ED [IF] SDM

Pentax SMC DA 18-55mm f/3.5-5.6 AL WR
Pentax SMC DA 18-135mm f/3.5-5.6 ED AL [IF] WR

* Lenses marked in red were recently reviewed or updated

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