考虑到佳能这支200-800大概率能做到f/9的衍射极限（像点基本在衍射圈内，我粗略估计的理论30线对MTF...
而现在的真实情况是佳能RF 200-800光圈更小，实际拍摄时快门也更慢，高感慢速肯定对画质造成劣化，而且...
RF-S 10-18mm F4.5-6.3 IS STM and RF 200-800mm F6.3-9 IS USM. Plus, they have also added two new power zoom adapters (PZ-E2 and PZ-E2B) that can be used with the RF 24-105mm F2.8L IS USM Z.
In-Depth Review The Canon RF 70-200mm F2.8 L IS USM Lens is a game-changer. A 70-200mm f/2.8 lens is a nearly mandatory member of any professional or serious amateur photography kit and these lenses are often among the most frequently used. Combine a rather large and heavy lens mod...
In-Depth Review The Canon RF 24-105mm F4 L IS USM Lens was Canon's first RF-mount lens to hit the streets and the first kit lens to be included with Canon EOS R series cameras. While "kit lens" may bring connotations of cheap and low quality, buyers of full frame imaging sensor ...
Unlock Real-Time quotes For SLRRFFind Out More Trade Data Date Timestamp Price $ Change Volume 02/18/2025 11:44:12 0.0614 -0.01 200 02/18/2025 11:44:11 0.07 0.01 800 02/11/2025 09:32:47 0.06 0.00 2,400 02/05/2025 13:29:31 0.06 -0.01 400 02/05/2025 09:48:38 0.065 -0.01...
I have most of the lenses compatible with the TC and will be getting the RF 100-500 in a few months, once I've paid off the RF 200-800, which is being delivered soon. I've tried to Google it but I'm drawing a blank on the answer. ...
Canon EOS R5, Canon RF 100-500mm L IS USM at 270mm wide-open at f/5.6 hand-held at 1/320 at Auto ISO 200 with -0.3 stops of exposure compensation (LV 12.4), Perfectly Clear. bigger, full resolution or camera-original © JPG file....
One major issue with the Airspy during this review that we had to address was what seemed to be USB or general PC noise. Originally, we had been running both the RSP and Airspy through a 10 meter long active USB extension cable. However, on the Airspy the use of this active extension ...
The PL 100-400 hovers around 700-800 on the used and refurbished market, but has the 200-799 range, weighs less, has a much shorter MFD, higher magnification and is sharper into the corners. I know you only post here to criticize Canon, but even for you, talking about a $1600 micro...