Comparing all three models at f2.8 on the GX7, the Sigma 60mm is close in sharpness to the 75mm and has superior uniformity to the 45mm. The best performing model in this category is the Panasonic made Leica Summilux 25mm f1.4 .Is the Panasonic GX7 a full frame camera?
No, the Panasonic Lumix DMC-GX7 is not Full Frame! Panasonic Lumix DMC-GX7 has a Four Thirds (17.3 x 13 mm) sensor Read our detailed Panasonic GX7 Review Panasonic GX7 Alternatives in Mirrorless cameras with Full FrameDoes the Panasonic G7 have image stabilization?
No, Panasonic Lumix DMC-G7 doesn't have Image Stabilization! Read our detailed Panasonic G7 Review. You may also also be interested in these: Best Cameras with Image Stabilization. Best Mirrorless Cameras with Image Stabilization. Best Panasonic Mirrorless Cameras with Image Stabilization.