Canon EF 17-40mm f/4L USM Lens Image Quality

Canon RF-S 10-18mm F4.5-6.3 IS STM LensCanon EF-S 10-18mm f/4.5-5.6 IS STM LensCanon RF 10-20mm F4 L IS STM LensCanon EF-S 10-22mm f/3.5-4.5 USM LensCanon EF-M 11-22mm f/4-5.6 IS STM LensCanon EF 11-24mm f/4L USM LensCanon RF 14-35mm F4 L IS USM LensCanon RF 15-30mm F4.5-6.3 IS STM LensCanon RF 15-35mm F2.8 L IS USM LensCanon EF-M 15-45mm f/3.5-6.3 IS STM LensCanon EF-S 15-85mm f/3.5-5.6 IS USM LensCanon EF 16-35mm f/2.8L III USM LensCanon EF 16-35mm f/2.8L II USM LensCanon EF 16-35mm f/2.8L USM LensCanon EF 16-35mm f/4L IS USM LensCanon EF 17-40mm f/4L USM LensCanon EF-S 17-55mm f/2.8 IS USM LensCanon EF-S 17-85mm f/4-5.6 IS USM LensCanon RF-S 18-45mm F4.5-6.3 IS STM LensCanon EF-S 18-55mm f/3.5-5.6 IS STM LensCanon EF-S 18-55mm f/3.5-5.6 IS II LensCanon EF-S 18-55mm f/3.5-5.6 IS LensCanon EF-S 18-55mm f/3.5-5.6 II LensCanon EF-M 18-55mm f/3.5-5.6 IS STM LensCanon EF-S 18-55mm f/4-5.6 IS STM LensCanon EF-S 18-135mm f/3.5-5.6 IS USM LensCanon EF-S 18-135mm f/3.5-5.6 IS STM LensCanon EF-S 18-135mm f/3.5-5.6 IS LensCanon RF-S 18-150mm F3.5-6.3 IS STM LensCanon EF-M 18-150mm f/3.5-6.3 IS STM LensCanon EF-S 18-200mm f/3.5-5.6 IS LensCanon RF 24-50mm F4.5-6.3 IS STM LensCanon RF 24-70mm F2.8 L IS USM LensCanon EF 24-70mm f/2.8L II USM LensCanon EF 24-70mm f/2.8L USM LensCanon EF 24-70mm f/4L IS USM LensCanon EF 24-85mm f/3.5-4.5 USM LensCanon RF 24-105mm F2.8 L IS USM Z LensCanon RF 24-105mm F4 L IS USM LensCanon EF 24-105mm f/4L IS II USM LensCanon EF 24-105mm f/4L IS USM LensCanon EF 24-105mm f/3.5-5.6 IS STM LensCanon RF 24-105mm F4-7.1 IS STM LensCanon RF 24-240mm F4-6.3 IS USM LensCanon RF 28-70mm F2 L USM LensCanon RF 28-70mm F2.8 IS STM LensCanon EF 28-70mm f/2.8L USM LensCanon EF 28-105mm f/3.5-4.5 II USM LensCanon EF 28-135mm f/3.5-5.6 IS USM LensCanon EF 28-200mm f/3.5-5.6 USM LensCanon EF 28-300mm f/3.5-5.6L IS USM LensCanon EF-M 55-200mm f/4.5-6.3 IS STM LensCanon RF-S 55-210mm F5-7.1 IS STM LensCanon EF-S 55-250mm f/4-5.6 IS STM LensCanon EF-S 55-250mm f/4-5.6 IS II LensCanon EF-S 55-250mm f/4-5.6 IS LensCanon RF 70-200mm F2.8 L IS USM Z LensCanon RF 70-200mm F2.8 L IS USM LensCanon EF 70-200mm f/2.8L IS III USM LensCanon EF 70-200mm f/2.8L IS II USM LensCanon EF 70-200mm f/2.8L IS USM LensCanon EF 70-200mm f/2.8L USM LensCanon RF 70-200mm F4 L IS USM LensCanon EF 70-200mm f/4L IS II USM LensCanon EF 70-200mm f/4L IS USM LensCanon EF 70-200mm f/4L USM LensCanon EF 70-300mm f/4-5.6L IS USM LensCanon EF 70-300mm f/4-5.6 IS II USM LensCanon EF 70-300mm f/4-5.6 IS USM LensCanon EF 70-300mm f/4.5-5.6 DO IS USM LensCanon EF 75-300mm f/4-5.6 III LensCanon RF 100-300mm F2.8 L IS USM LensCanon EF 100-300mm f/4.5-5.6 USM LensCanon EF 100-400mm f/4.5-5.6L IS II USM LensCanon EF 100-400mm f/4.5-5.6L IS USM LensCanon RF 100-400mm F5.6-8 IS USM LensCanon RF 100-500mm F4.5-7.1 L IS USM LensCanon EF 200-400mm f/4L IS USM LensCanon RF 200-800mm F6.3-9 IS USM LensCanon EF 14mm f/2.8L II USM LensCanon EF 14mm f/2.8L USM LensCanon RF 16mm F2.8 STM LensCanon TS-E 17mm f/4L Tilt-Shift LensCanon EF 20mm f/2.8 USM LensCanon EF-M 22mm f/2 STM LensCanon EF 24mm f/1.4L II USM LensCanon EF 24mm f/1.4L USM LensCanon RF 24mm F1.8 Macro IS STM LensCanon EF 24mm f/2.8 IS USM LensCanon EF 24mm f/2.8 LensCanon EF-S 24mm f/2.8 STM LensCanon TS-E 24mm f/3.5L II Tilt-Shift LensCanon TS-E 24mm f/3.5L Tilt-Shift LensCanon EF 28mm f/1.8 USM LensCanon RF 28mm F2.8 STM LensCanon EF 28mm f/2.8 IS USM LensCanon EF 28mm f/2.8 LensCanon EF-M 28mm f/3.5 Macro IS STM LensCanon EF-M 32mm f/1.4 STM LensCanon RF 35mm F1.4 L VCM LensCanon EF 35mm f/1.4L II USM LensCanon EF 35mm f/1.4L USM LensCanon RF 35mm F1.8 IS STM Macro LensCanon EF 35mm f/2 IS USM LensCanon EF 35mm f/2 LensCanon EF-S 35mm f/2.8 Macro IS STM LensCanon EF 40mm f/2.8 STM LensCanon TS-E 45mm f/2.8 Tilt-Shift LensCanon RF 50mm F1.2 L USM LensCanon EF 50mm f/1.2L USM LensCanon EF 50mm f/1.4 USM LensCanon RF 50mm F1.8 STM LensCanon EF 50mm f/1.8 STM LensCanon EF 50mm f/1.8 II LensCanon TS-E 50mm f/2.8L Tilt-Shift Macro LensCanon EF 50mm f/2.5 Macro LensCanon EF-S 60mm f/2.8 Macro USM LensCanon RF 85mm F1.2 L USM LensCanon RF 85mm F1.2 L USM DS LensCanon EF 85mm f/1.2L II USM LensCanon EF 85mm f/1.2L USM LensCanon EF 85mm f/1.4L IS USM LensCanon EF 85mm f/1.8 USM LensCanon RF 85mm F2 Macro IS STM LensCanon TS-E 90mm f/2.8L Tilt-Shift Macro LensCanon TS-E 90mm f/2.8 Tilt-Shift LensCanon EF 100mm f/2 USM LensCanon RF 100mm F2.8 L Macro IS USM LensCanon EF 100mm f/2.8L IS USM Macro LensCanon EF 100mm f/2.8 USM Macro LensCanon RF 135mm F1.8 L IS USM LensCanon EF 135mm f/2L USM LensCanon TS-E 135mm f/4L Tilt-Shift Macro LensCanon EF 135mm f/2.8 with Softfocus LensCanon EF 180mm f/3.5L USM Macro LensCanon EF 200mm f/1.8 L USM LensCanon EF 200mm f/2L IS USM LensCanon EF 200mm f/2.8L II USM LensCanon EF 300mm f/2.8L IS II USM LensCanon EF 300mm f/2.8L IS USM LensCanon EF 300mm f/4L IS USM LensCanon RF 400mm F2.8 L IS USM LensCanon EF 400mm f/2.8L IS III USM LensCanon EF 400mm f/2.8L IS II USM LensCanon EF 400mm f/2.8L IS USM LensCanon EF 400mm f/4 DO IS II USM LensCanon EF 400mm f/4 DO IS USM LensCanon EF 400mm f/5.6L USM LensCanon EF 500mm f/4L IS II USM LensCanon EF 500mm f/4L IS USM LensCanon RF 600mm F4 L IS USM LensCanon EF 600mm f/4L IS III USM LensCanon EF 600mm f/4L IS II USM LensCanon EF 600mm f/4L IS USM LensCanon RF 600mm F11 IS STM LensCanon RF 800mm F5.6 L IS USM LensCanon EF 800mm f/5.6L IS USM LensCanon RF 800mm F11 IS STM LensCanon RF 1200mm F8 L IS USM LensIrix 11mm f/4 Firefly LensIrix 15mm f/2.4 Blackstone LensLensbaby ComposerNikon 10-24mm f/3.5-4.5G AF-S DX LensNikon 12-24mm f/4G AF-S DX LensNikon 14-24mm f/2.8G AF-S LensNikon Z 14-30mm f/4 S LensNikon 16-35mm f/4G AF-S VR LensNikon 16-80mm f/2.8-4E AF-S DX VR LensNikon 16-85mm f/3.5-5.6G AF-S DX VR LensNikon 17-35mm f/2.8D AF-S LensNikon 17-55mm f/2.8G AF-S DX LensNikon 18-35mm f/3.5-4.5D AF LensNikon 18-35mm f/3.5-4.5G AF-S LensNikon 18-55mm f/3.5-5.6G AF-S DX VR LensNikon 18-55mm f/3.5-5.6G II AF-S DX LensNikon 18-70mm f/3.5-4.5G AF-S DX LensNikon 18-105mm f/3.5-5.6G AF-S VR DX LensNikon 18-135mm f/3.5-5.6G AF-S DX LensNikon 18-140mm f/3.5-5.6G AF-S DX VR LensNikon 18-200mm f/3.5-5.6G AF-S DX VR II LensNikon 18-200mm f/3.5-5.6G AF-S DX VR LensNikon 18-300mm f/3.5-5.6G AF-S DX VR LensNikon Z 24-70mm f/2.8 S LensNikon 24-70mm f/2.8E AF-S VR LensNikon 24-70mm f/2.8G AF-S LensNikon Z 24-70mm f/4 S LensNikon 24-85mm f/2.8-4D AF LensNikon 24-85mm f/3.5-4.5G AF-S VR LensNikon 24-120mm f/3.5-5.6G AF-S VR LensNikon 24-120mm f/4G AF-S VR LensNikon 28-300mm f/3.5-5.6G AF-S VR LensNikon 55-200mm f/4-5.6G AF-S DX VR LensNikon 55-200mm f/4-5.6G AF-S DX VR II LensNikon 55-200mm f/4-5.6G AF-S DX LensNikon 55-300mm f/4.5-5.6G AF-S DX VR LensNikon 70-200mm f/2.8E AF-S FL VR LensNikon 70-200mm f/2.8G AF-S VR II LensNikon 70-200mm f/2.8G AF-S VR LensNikon 70-200mm f/4G AF-S VR LensNikon 70-300mm f/4.5-5.6G AF-S VR LensNikon 70-300mm f/4-5.6G AF LensNikon 80-200mm f/2.8D AF LensNikon 80-400mm f/4.5-5.6G AF-S VR LensNikon 80-400mm f/4.5-5.6D AF VR LensNikon 200-400mm f/4G AF-S VR II LensNikon 200-400mm f/4G AF-S VR LensNikon 200-500mm f/5.6E AF-S VR LensNikon 14mm f/2.8D AF LensNikon 20mm f/1.8G AF-S LensNikon 20mm f/2.8D AF LensNikon 24mm f/1.4G AF-S LensNikon Z 24mm f/1.8 S LensNikon 24mm f/1.8G AF-S LensNikon 24mm f/2.8D AF LensNikon 24mm f/3.5D PC-E LensNikon 28mm f/1.8G AF-S LensNikon 28mm f/2.8D AF LensNikon 35mm f/1.4G AF-S LensNikon Z 35mm f/1.8 S LensNikon 35mm f/1.8G AF-S LensNikon 35mm f/1.8G AF-S DX LensNikon 35mm f/2D AF LensNikon 40mm f/2.8G AF-S DX Micro LensNikon 45mm f/2.8D PC-E Micro LensNikon 50mm f/1.4G AF-S LensNikon 50mm f/1.4D AF LensNikon Z 50mm f/1.8 S LensNikon 50mm f/1.8G AF-S LensNikon 50mm f/1.8D AF LensNikon 58mm f/1.4G AF-S LensNikon 60mm f/2.8D AF Micro LensNikon 60mm f/2.8G AF-S Micro LensNikon 85mm f/1.4G AF-S LensNikon 85mm f/1.4D AF LensNikon Z 85mm f/1.8G S LensNikon 85mm f/1.8G AF-S LensNikon 85mm f/1.8D AF LensNikon 85mm f/2.8D PC-E Micro LensNikon 85mm f/3.5G AF-S DX VR Micro LensNikon 105mm f/1.4E ED AF-S LensNikon 105mm f/2D AF DC LensNikon 105mm f/2.8G AF-S VR Micro LensNikon 135mm f/2D AF DC LensNikon 180mm f/2.8D AF LensNikon 200mm f/2G AF-S VR LensNikon 200mm f/4D AF Micro LensNikon 300mm f/2.8G AF-S VR LensNikon 300mm f/4E AF-S PF VR LensNikon 300mm f/4D AF-S LensNikon 500mm f/4G AF-S VR LensNikon 600mm f/4E AF-S FL ED VR LensNikon 600mm f/4G AF-S VR LensRokinon SP 10mm f/3.5 LensRokinon SP 14mm f/2.4 LensRokinon AF 14mm F2.8 Lens for Canon RF, Sony ERokinon AF 14mm f/2.8 LensRokinon (Samyang) 14mm f/2.8 IF ED UMC LensRokinon (Samyang) 14mm f/2.8 UMC Lens (Orig)Rokinon (Samyang) 16mm f/2 ED AS UMC CS LensRokinon (Samyang) 20mm f/1.8 ED AS UMC LensRokinon (Samyang) 24mm f/1.4 US UMC LensRokinon (Samyang) 24mm f/3.5 Tilt-Shift LensRokinon SP 50mm f/1.2 LensRokinon (Samyang) 35mm f/1.4 US UMC LensRokinon SP 85mm f/1.2 LensRokinon AF 85mm F1.4 Lens for Canon RF, Sony ERokinon AF 85mm f/1.4 LensRokinon (Samyang) 85mm f/1.4 LensRokinon (Samyang) 135mm f/2 ED UMC LensSigma 8-16mm f/4.5-5.6 DC HSM LensSigma 10-18mm F2.8 DC DN Contemporary LensSigma 10-20mm f/3.5 EX DC HSM LensSigma 10-20mm f/4-5.6 EX DC HSM LensSigma 12-24mm f/4 DG HSM Art LensSigma 12-24mm f/4.5-5.6 DG II HSM LensSigma 12-24mm f/4.5-5.6 EX DG HSM LensSigma 14-24mm f/2.8 DG DN Art LensSigma 14-24mm f/2.8 DG HSM Art LensSigma 15-30mm f/3.5-4.5 EX DG LensSigma 16-28mm F2.8 DG DN Contemporary LensSigma 17-35mm f/2.8-4 EX DG HSM LensSigma 17-50mm f/2.8 EX DC OS HSM LensSigma 17-70mm f/2.8-4 DC Macro OS C LensSigma 17-70mm f/2.8-4 DC Macro OS LensSigma 18-35mm f/1.8 DC HSM Art LensSigma 18-50mm F2.8 DC DN Contemporary LensSigma 18-50mm f/2.8 EX DC LensSigma 18-125mm f/3.8-5.6 DC OS HSM LensSigma 18-200mm f/3.5-6.3 DC OS HSM C LensSigma 18-200mm f/3.5-6.3 DC OS LensSigma 18-250mm f/3.5-6.3 DC Macro OS HSMSigma 18-250mm f/3.5-6.3 DC OS HSM LensSigma 18-300mm f/3.5-6.3 DC OS HSM C LensSigma 24-35mm f/2 DG HSM Art LensSigma 24-70mm F2.8 DG DN II Art LensSigma 24-70mm f/2.8 DG DN Art LensSigma 24-70mm f/2.8 DG OS HSM Art LensSigma 24-70mm f/2.8 EX DG HSM LensSigma 24-70mm f/2.8 EX DG LensSigma 24-105mm f/4.0 DG OS HSM Art LensSigma 28-45mm F1.8 DG DN Art LensSigma 28-70mm F2.8 DG DN Contemporary LensSigma 28-70mm f/2.8 EX DG LensSigma 28-105mm F2.8 DG DN Art LensSigma 50-100mm f/1.8 DC HSM Art LensSigma 50-150mm f/2.8 EX DC OS HSM LensSigma 50-150mm f/2.8 II EX DC HSM LensSigma 50-500mm f/4.5-6.3 DG OS HSM LensSigma 50-500mm f/4-6.3 EX DG HSM LensSigma 60-600mm F4.5-6.3 DG DN OS Sports LensSigma 60-600mm f/4.5-6.3 DG OS HSM Sports LensSigma 70-200mm F2.8 DG DN OS Sports LensSigma 70-200mm f/2.8 DG OS HSM Sports LensSigma 70-200mm f/2.8 EX DG OS HSM LensSigma 70-200mm f/2.8 EX DG HSM II Macro LensSigma 70-200mm f/2.8 EX DG HSM LensSigma 80-400mm f/4.5-5.6 EX DG OS LensSigma 100-400mm f/5-6.3 DG DN OS C LensSigma 100-400mm f/5-6.3 DG OS HSM C LensSigma 120-300mm f/2.8 DG OS HSM Sports LensSigma 120-300mm f/2.8 EX DG OS HSM LensSigma 120-300mm f/2.8 EX DG HSM LensSigma 120-400mm f/4.5-5.6 DG OS HSM LensSigma 150-500mm f/5-6.3 DG OS HSM LensSigma 150-600mm f/5-6.3 DG DN OS Sports LensSigma 150-600mm f/5-6.3 DG OS HSM Sports LensSigma 150-600mm f/5-6.3 DG OS HSM C LensSigma 14mm f/1.8 DG HSM Art LensSigma 16mm F1.4 DC DN Contemporary LensSigma 17mm F4 DG DN Contemporary LensSigma 20mm F1.4 DG DN Art LensSigma 20mm f/1.4 DG HSM Art LensSigma 20mm f/1.8 EX DG LensSigma 20mm F2 DG DN Contemporary LensSigma 23mm F1.4 DC DN Contemporary LensSigma 24mm F1.4 DG DN Art LensSigma 24mm f/1.4 DG HSM Art LensSigma 24mm F2 DG DN Contemporary LensSigma 24mm F3.5 DG DN Contemporary LensSigma 24mm f/1.8 EX DG LensSigma 28mm f/1.4 DG HSM Art LensSigma 30mm F1.4 DC DN Contemporary LensSigma 30mm f/1.4 DC HSM Art LensSigma 30mm f/1.4 EX DC HSM LensSigma 35mm f/1.2 DG DN Art LensSigma 35mm f/1.4 DG DN Art LensSigma 35mm f/1.4 DG HSM Art LensSigma 35mm F2 DG DN Contemporary LensSigma 40mm f/1.4 DG HSM Art LensSigma 45mm F2.8 DG DN Contemporary LensSigma 50mm F1.2 DG DN Art LensSigma 50mm F1.4 DG DN Art LensSigma 50mm f/1.4 DG HSM Art LensSigma 50mm f/1.4 EX DG HSM LensSigma 50mm F2 DG DN Contemporary LensSigma 50mm f/2.8 EX DG Macro LensSigma 56mm F1.4 DC DN Contemporary LensSigma 65mm F2 DG DN Contemporary LensSigma 70mm f/2.8 DG Macro Art LensSigma 85mm f/1.4 DG DN Art LensSigma 85mm f/1.4 DG HSM Art LensSigma 85mm f/1.4 EX DG HSM LensSigma 90mm F2.8 DG DN Contemporary LensSigma 105mm f/1.4 DG HSM Art LensSigma 105mm f/2.8 DG DN Macro Art LensSigma 105mm f/2.8 EX DG OS HSM Macro LensSigma 105mm f/2.8 EX DG Macro LensSigma 135mm f/1.8 DG HSM Art LensSigma 150mm f/2.8 EX DG OS HSM Macro LensSigma 150mm f/2.8 EX DG HSM Macro LensSigma 180mm f/2.8 EX DG OS HSM Macro LensSigma 500mm F5.6 DG DN OS Sports LensSigma 500mm f/4 DG OS HSM Sports LensSony FE 12-24mm F2.8 GM LensSony FE 12-24mm F4 G LensSony FE 16-25mm F2.8 G LensSony FE 16-35mm F2.8 GM II LensSony FE 16-35mm F2.8 GM LensSony FE 16-35mm F4 G PZ LensSony FE 16-35mm F4 ZA OSS LensSony E 16-50mm F3.5-5.6 OSS II PZ LensSony E 16-50mm F3.5-5.6 OSS PZ LensSony E 16-55mm F2.8 G LensSony FE 20-70mm F4 G LensSony FE 24-50mm F2.8 G LensSony FE 24-70mm F2.8 GM II LensSony FE 24-70mm F2.8 GM LensSony FE 24-70mm F4 ZA OSS LensSony FE 24-105mm F4 G OSS LensSony FE 24-240mm F3.5-6.3 OSS LensSony FE 28-60mm F4-5.6 LensSony FE 28-70mm F3.5-5.6 OSS LensSony FE 70-200mm F2.8 GM OSS II LensSony FE 70-200mm F2.8 GM OSS LensSony FE 70-200mm F4 Macro G OSS II LensSony FE 70-200mm F4 G OSS LensSony FE 70-300mm F4.5-5.6 G OSS LensSony FE 100-400mm F4.5-5.6 GM OSS LensSony FE 200-600mm F5.6-6.3 G OSS LensSony FE 14mm F1.8 GM LensSony FE 20mm F1.8 G LensSony FE 24mm F1.4 GM LensSony FE 24mm F2.8 G LensSony FE 28mm F2 LensSony FE 35mm F1.4 GM LensSony FE 35mm F1.4 ZA LensSony FE 35mm F1.8 LensSony FE 35mm F2.8 ZA LensSony FE 40mm F2.5 G LensSony FE 50mm F1.2 GM LensSony FE 50mm F1.4 GM LensSony FE 50mm F1.4 ZA LensSony FE 50mm F1.8 LensSony FE 50mm F2.5 G LensSony FE 50mm F2.8 Macro LensSony FE 55mm F1.8 ZA LensSony FE 85mm F1.4 GM II LensSony FE 85mm F1.4 GM LensSony FE 85mm F1.8 LensSony FE 90mm F2.8 Macro G OSS LensSony FE 100mm F2.8 STF GM OSS LensSony FE 135mm F1.8 GM LensSony FE 300mm F2.8 GM OSS LensSony FE 400mm F2.8 GM OSS LensSony FE 600mm F4 GM OSS LensTamron 11-20mm F/2.8 Di III-A RXD LensTamron 10-24mm f/3.5-4.5 Di II VC HLD LensTamron 10-24mm f/3.5-4.5 Di II LensTamron 15-30mm f/2.8 Di VC USD G2 LensTamron 15-30mm f/2.8 Di VC USD LensTamron 16-300mm f/3.5-6.3 Di II VC PZD LensTamron 17-28mm f/2.8 Di III RXD LensTamron 17-35mm f/2.8-4 Di LensTamron 17-35mm f/2.8-4 Di OSD LensTamron 17-50mm f/2.8 XR Di II LensTamron 17-50mm f/2.8 XR Di II VC LensTamron 17-50mm F4 Di III VXD LensTamron 18-200mm f/3.5-6.3 Di II LensTamron 18-270mm f/3.5-6.3 Di II VC PZD LensTamron 18-270mm f/3.5-6.3 Di II VC LensTamron 18-400mm f/3.5-6.3 Di II VC HLD LensTamron 20-40mm f/2.8 Di III VXD LensTamron 24-70mm f/2.8 Di VC USD G2 LensTamron 24-70mm f/2.8 Di VC USD LensTamron 28-75mm f/2.8 Di III VXD G2 LensTamron 28-75mm f/2.8 Di III RXD LensTamron 28-75mm f/2.8 XR Di LensTamron 28-200mm f/2.8-5.6 Di III RXD LensTamron 28-300mm f/3.5-6.3 Di VC PZD LensTamron 28-300mm F4-7.1 Di III VC VXD LensTamron 35-150mm f/2-2.8 Di III VXD LensTamron 35-150mm f/2.8-4 Di VC OSD LensTamron 50-300mm F/4.5-6.3 Di III VC VXD LensTamron 50-400mm f/4.5-6.3 Di III VC VXD LensTamron 70-180mm F2.8 Di III VC VXD G2 LensTamron 70-180mm f/2.8 Di III VXD LensTamron 70-200mm f/2.8 Di VC USD G2 LensTamron 70-200mm f/2.8 Di VC USD LensTamron 70-200mm f/2.8 Di Macro LensTamron 70-210mm f/4 Di VC USD LensTamron 70-300mm f/4.5-6.3 Di III RXD LensTamron 70-300mm f/4-5.6 Di VC USD LensTamron 100-400mm f/4.5-6.3 Di VC USD LensTamron 150-500mm f/5-6.7 Di III VC VXD LensTamron 150-600mm f/5-6.3 Di VC USD G2 LensTamron 150-600mm f/5-6.3 Di VC USD LensTamron 20mm f/2.8 Di III OSD LensTamron 24mm f/2.8 Di III OSD LensTamron 35mm f/1.4 Di USD LensTamron 35mm f/1.8 Di VC USD LensTamron 35mm f/2.8 Di III OSD LensTamron 45mm f/1.8 Di VC USD LensTamron 60mm f/2.0 Di II Macro LensTamron 85mm f/1.8 Di VC USD LensTamron 90mm F/2.8 Di III Macro VXD LensTamron 90mm f/2.8 Di VC USD Macro F017 LensTamron 90mm f/2.8 Di VC USD Macro LensTamron 90mm f/2.8 Di Macro LensTamron 180mm f/3.5 Di Macro LensTokina 11-16mm f/2.8 AT-X Pro DX II LensTokina 11-16mm f/2.8 AT-X Pro DX LensTokina 11-20mm f/2.8 AT-X Pro DX LensTokina 12-28mm f/4.0 AT-X Pro DX LensTokina 14-20mm f/2 AT-X Pro DX LensTokina 16-28mm f/2.8 AT-X Pro FX LensTokina 17-35mm f/4 AT-X Pro FX LensTokina 24-70mm f/2.8 AT-X Pro FX LensTokina 50mm f/1.4 FF Opera LensTokina 100mm f/2.8 AT-X Pro Macro LensVenus Optics Laowa 10mm f/2.8 Zero-D FF LensVenus Optics Laowa 12mm f/2.8 Zero-D LensZeiss 15mm f/2.8 Milvus LensZeiss 15mm f/2.8 Classic LensZeiss 18mm f/2.8 Milvus LensZeiss 18mm f/3.5 Classic LensZeiss 21mm f/2.8 Milvus LensZeiss 21mm f/2.8 Classic LensZeiss 25mm f/2 Classic LensZeiss 28mm f/1.4 Otus LensZeiss 28mm f/2 Classic LensZeiss 35mm f/1.4 Classic LensZeiss 35mm f/2 Milvus LensZeiss 35mm f/2 Classic LensZeiss 50mm f/1.4 Milvus LensZeiss 50mm f/1.4 Classic LensZeiss 50mm f/2M Milvus LensZeiss 50mm f/2 Makro Classic LensZeiss 55mm f/1.4 Otus LensZeiss 85mm f/1.4 Otus LensZeiss 85mm f/1.4 Milvus LensZeiss 85mm f/1.4 Classic LensZeiss 100mm f/1.4 Otus LensZeiss 100mm f/2M Milvus LensZeiss 100mm f/2 Makro Classic LensZeiss 135mm f/2 Milvus LensZeiss 135mm f/2 Classic Lens

Canon EOS-1Ds Mark IIICanon EOS 5Ds RCanon EOS 7D Mark IICanon EOS 60DCanon EOS 50D Buy  ►

17 mm20 mm24 mm28 mm35 mm40 mm     f/ 4.0f/ 4.5f/ 5.6f/ 8.0f/ 11.0f/ 16.0 

Canon EF 17-40mm f/4L USM Lens

Is the Canon EF 17-40mm f/4L USM Lens sharp? This page visually answers that question. Shown above are 100% crops from a lab-captured 17mm f/4.0 test image. Observe the contrast and resolution of these results.

Recommended Retailers

• B&H Photo(strongly recommended)
• Adorama
• Amazon.com
• Canon USA
• Canon USA (refurbished)
•  Wex Photographic
•  Camera Canada
• Check the used inventory at
  B&H | KEH | Adorama | MPB
• * $200.00 USA rebate available — Buy now!

Rent it Here

• LensRentals.com
• LensProToGo

Can you help right now?

This site and my family depend on your support.

Please share this page!