25mm and 35mm are both popular walk-around primes, but 25mm is noticeably wider. The right pick depends on your sensor and whether you shoot interiors and groups or street and portraits.
Sigma's Art line chases maximum image quality regardless of size or price, while the Contemporary line balances excellent optics with a smaller, lighter, more affordable package. Here's how to tell which suits you.
f/2.8 gathers about 60% more light than f/3.5 — roughly two-thirds of a stop. Here's what that gap means for low light, background blur, and whether it's worth the extra cost and weight.
Discover the 10 best lenses for the Sony A7 V in 2026 — top picks for portraits, landscapes, video, and budget shooters.