α7RⅣに対応するレンズ。

α7RⅣに対応するレンズ。

せっかくα7RⅣを買うのであればセンサーを活かしきれるレンズが欲しくなるもの。
今後の高画素機の参考にもなるのでまとめてみました!

α7RⅣの記事はこちら

α7RⅣ(ILCE-7RM4A)を購入!

Sony Alpha Blogさんによると、6100 万画素に耐えうるレンズはやはり限られるようです。

今回はOutstanding(傑出したレンズ)とExcellent(素晴らしいレンズ)の 2 カテゴリーに注目していきます。

Outstanding
At this grade you exploit the full potential of the 61Mpix sensor
Everything is tack sharp even on a 100% Crop with excellent contrast
Very few lenses will achieve this grade on the entire frame

Excellent
At this grade you reach excellent results , it is only by comparing to an outstanding lens that you can see that you can do a little bit better
This is the grade that will exploit the full potential of 42Mpix of the Sony A7RIII
Lenses at the grade are perfectly OK on the Sony A7RIV

Very Good
At this grade you still get very good result but expect the start of some softness when viewing a 100% crop of 61Mpix
This is the grade that will exploit the full potential of 24Mpix of the Sony A7III
Lenses at that grade are not enough to exploit the A7RIV at any aperture but still give good results if you don’t crop heavily in the pictures
Typically some Excellent prime will fall in this category when used Wide open

Good
At this grade the image is still good when viewed globally but lack sharpness when viewed at 100%
Those lenses are still recommended for A7III but are not recommended on the A7RIII
Those lenses are not adequate for A7RIV

Average
Those lenses can barely achieve very good results when aperture is closed down and in general they are not even on the entire frame
Those lenses are not adequate for A7RIII, A7RIV
Those lenses are acceptable on a A7III but do not exploit the potential of the 24Mpix

Bad
Those give bad results when viewed at 100% on the all bodies (A7III, A7RIII, A7RIV)
Only Ok for TV viewing , computer if not zoom in


Sony Alpha Blog

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簡単に訳すとだいたいこんな感じ。

Outstanding(傑出したレンズ)
・6100 万画素を活かせるレンズで、すべてがシャープでコントラストも優れている。Excellent(素晴らしいレンズ)
・A7RIII などの 4200 万画素は最大限活かせるレンズ。A7R4 でも問題ないレベル。

Very Good(とてもよいレンズ)
・若干甘めな解像度に。A7III などでは最大限に活かせるレンズ。

Good
・全体的に見ればOKだが、100%に拡大するとシャープさに欠ける。
・A7III にはオススメできるけど、A7RIII にはオススメできないし、A7RIV には不適合。

Average
・A7III までなら使用可能だけど、2400万画素は活かしきれないBad
・TVなどで全体を見るくらいならOK

各ラインナップは以下の通りです。

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2021年の1月に更新されたリストがConclusionの前に載りましたので、それに基づいてリスト化しました。

Outstanding(傑出したレンズ)

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