#425 in Digital camera lenses
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Reddit mentions of Canon EF 70-200mm f/2.8L IS III USM Lens for Canon Digital SLR Cameras, White - 3044C002
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of Canon EF 70-200mm f/2.8L IS III USM Lens for Canon Digital SLR Cameras, White - 3044C002. Here are the top ones.
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Constant f/2.8 Maximum Aperture throughout Entire Zoom Range.Canon’s Air Sphere Coating (ASC) Minimizes Ghosting and Flare.Optical Image Stabilization at up to 3.5 Stops of Shake Correction.Fluorine Coating on Front and Rear Elements to Help Reduce Smears and Fingerprints.What's Included : EF70-200mm f:2.8L IS III USM , Lens Cap E-77II, Lens Dust Cap E, Lens Hood ET-87, Lens Case LZ1326Highly Resistant to Dust and Water, and Improved Durability Even in Harsh Conditions. Inner Focusing System with Ring Ultrasonic Motor. Full-time Manual Focus. One Fluorite Element and Five UD Elements for High Image Quality. Minimum Focusing Distance of 3.9 ft./1.2m.Diagonal Angle of View: 34° - 12°
Specs:
| Color | White |
| Height | 3.5 Inches |
| Length | 7.8 Inches |
| Number of items | 1 |
| Release date | June 2018 |
| Size | 200mm |
| Weight | 3.175 Pounds |
| Width | 3.5 Inches |
Yes the same focal length but more aperture would make it “faster”
The focal ratio is focal length divided by aperture and it’s basically the “speed” of the lens, the lower the number the faster it is and the quicker it gathers light.
My lens is something like f5.6 at 300mm which for the purpose of what I was using it for is pretty slow if you can only expose for 13 seconds.
Most people will shoot at a shorter focal length and then crop the photo down in processing because you can get short, fast lenses at an “affordable” price
If you try to go with a long focal length at f2.8, you get something like this which is just pure insanity.
Canon EF 70-200mm f/2.8L is III USM Lens for Canon Digital SLR Cameras https://www.amazon.com/dp/B07DFVF7M4/ref=cm_sw_r_cp_api_i_rODZDb72250BY
If you’re primarily goal is astrophotography, I’d look at the William optics zenithstar 61, way cheaper than many camera lenses but you still have to have a good star tracker and try to get 30+ second exposures.
The one thing about this hobby is that what you save in one area, you will have to spend in another to accomplish the same goal; this I can guarantee!