EF lenses use the one at the 12 o'clock position and is a red circle. EF-S lenses use one on at the 1 o'clock position and is a white square. -Demetrius. Current Gear: EOS 5D Mark IV, EF F/2.8 Trinity, EF 50mm F/1.8 STM, EF 85mm F/1.8 USM, 470EX-AI & 600EX II-RT. Retired Gear: EOS 40D.
37. EF-S lenses are specifically designed for APS-C digital bodies and optimized for the fact that they have smaller sensor and mirror. EF-S lenses are marked with a white square on the mount instead of a red dot that EF-glass has, and can be only used on EF-S compatible bodies (almost all of smaller-sensor Canon DSLRs, up to EOS 7D).
EF 70-200mm f/2.8L IS II USM vs l. I have an r7 with an ef adapter, wondering is the extra 300 gbp worth it (buying used) Thanks. Seconding this OP, I've got the II, and went for it after a lot of research that it's the sweet-spot of price/performance between the I, II and III. Yes, optically it's a decent improvement over the Mk I version and
The EF-M lens 11-22 is 7.8 ounces The EF-S 10-18 lens is 8.5 ounces But to use the EF-S lens on an EOS-M body you need the adapter which for the canon adapter that adds 4 ounces and so 4.7 ounces difference in weight.
It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject. Has rounded aperture blades. Canon EF 50mm F/1.8 STM. Canon EF-S 18-55mm F/3.5-5.6 IS STM. Similar to the number of aperture blades, rounded blades affect the way the light gets through to the sensor.
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canon ef ef s ef m difference
