索尼 FE 50mm F1.4 GM - 516g
适马 50 F1.4 DG DN - 670g
索尼 FE 50mm F1.4 ZA - 778g
索尼 FE 50mm F1.2 GM - 778g
适马 50mm DG HSM - 815/880/905g（EF/FE/L）
佳能 RF 50mm F1.2 L - 950g
松下 L S Pro 50mm F1.4 - 955g
尼康 Z 50mm F1.2 S - 1090g
适马 40 DG HSM - 1270/1295g（FE/L）
适马 50 F1.2 DG DN 重量预测（无奖竞猜）
BY 每日摄影观察
The messaging service and social-media platform owes creditors roughly $700 million by the end of April, according to people briefed on the company’s plans and loan documents viewed by The Wall Street Journal. At the same time, Telegram Group Inc. must cover rising equipment and bandwidth expenses because of its rapid growth, despite going years without attempting to generate revenue.
Launched in 2013, Telegram allows users to broadcast messages to a following via “channels”, or create public and private groups that are simple for others to access. Users can also send and receive large data files, including text and zip files, directly via the app.The platform said it has more than 500m active users, and topped 1bn downloads in August, according to data from SensorTower.每日摄影观察 from us