Yashica ML 50mm 1:1.4 vs Yashica ML 50mm 1:1.9 – comparison

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SEOLensName XX-XXmm 1:x.x-x.x vs SEOLensName XX-XXmm 1:x.x-x.x – comparison

Intro

Copy #1 Copy #2
Serial: Copy #1 Copy #2
Optical Condition: Copy #1 Copy #2
Mechanical Condition: Copy #1 Copy #2
Cosmetic Condition: Copy #1 Copy #2

This comparison is correct only for conditions and equipment used for tests. Test results can differ if any element is changed.

Tested lenses reviews

FRONT VEW GALLERY

 

SEOLensName XX-XXmm 1:x.x-x.x vs SEOLensName XX-XXmm 1:x.x-x.x – comparison – sharpness/resolution

Long-distance test description

  • Camera Sony A7II (24mpx, full frame) – RAW (ARW), tripod, A-mode, ISO 100, WB fixed, SteadyShot OFF, manual focus correction for every shot
  • Targets (buildings) – fixed by gravity power on the distances in more than 200 meters
  • ARW post-processing – Capture One, default settings, 100% crops 300×200 px

XXmm focal distance

XXmm – Scene preview

XXmm – Test results

 

Short-distance test description

  • Target: 10-15 cm picture, printed on glossy photo paper
  • Distance: 1.7m
  • Camera: Sony A7II (24mpx, full-frame, tripod, remote control). M-mode, ISO fixed, WB fixed, SteadyShot – OFF.
  • The test was repeated for every F-stop on every focus position with manual focus adjustment for each shot. That is to avoid the effect of field curvature.
  • RAW processing: Capture One, default settings. All quality settings – 100%. Crops – 300×200 px

Original target image (printed in horizontal orientation on 10cm X 15cm glossy photo paper)

 

XXmm focal distance

XXmm – Scene preview

XXmm – Test results

YYmm focal distance

YYmm – Scene preview

 

YYmm – Test results

 

ZZmm focal distance

ZZmm – Scene preview

 

ZZmm – Test results

SEOLensName XX-XXmm 1:x.x-x.x vs SEOLensName XX-XXmm 1:x.x-x.x – comparison – final conclusion

Conclusion