I needed a longer telezoom for a zoo photography class, and had narrowed options to this lens, the Tamron AF 70-300mm f/4.0-5.6 SP Di VC USD, and the Canon EF 70-200mm f/4L USM. I was strongly tempted by the prospect of owning L quality glass, especially at this price point, but really wanted IS (or VC as Tamron calls it); I didn't want to feel
My Canon EF 300mm F/4L USM Lens. Canon 300mm F/4L (Non IS) The camera lens I am using is a first-generation Canon EF 300mm F/4L (Non-IS). This is an old L-series lens from Canon that does not include Image Stabilization but does include the ring-type USM autofocus motor.
Both of the lenses you mentioned will work on your 30D. They are also compatible with newer full-frame EF mount DSLRs. There are several versions of the Canon EF75-300mm lens. None of them were noted for image quality. The newer 70-300 IS Mk II lens is superior. But depending on your use case it may not be noticeable.
Focal Length & Maximum Aperture. 75-300mm 1:4-5.6. Lens Construction. 15 elements in 10 groups. Diagonal Angle of View. 32° 11' - 8° 15'. Focus Adjustment. Front group rotating extension system with USM. Closest Focusing Distance.
Compare Canon EF 75-300mm f 4-5.6 III Lens vs Canon EF-S 55-250mm f 4-5.6 IS STM Lens vs Canon EF 70-300mm f 4-5.6 IS II USM Lens Press ↵ Enter for Accessibility for blind people who use screen readers
The newly developed Micro USM makes autofocusing quicker and quieter. The improved zoom mechanism also makes zooming smoother. The front part of the zoom ring now sports a silver ring for a luxury touch. Buy: Canon EF 75-300mm F/4-5.6 III USM Autofocus Telephoto Zoom Lens - USA Warranty MFR: 6472A002. Color: Black.
Canon EF 70-300mm f/4-5.6L IS USM Aperture. Many photographers will be put off this lens because of the f/4-5.6 aperture, but in practice it is less of an issue than you may think. Using the lens for portraits, the aperture allows you greater room for movement around your subject, ensuring that the eyes stay in crisp focus.
Unless you're gong to be shooting from larger distances, the 55-250 is a better general purpose nature photography lens for your T3. Image Stabilization (IS). The EF 55-250mm f/4-5.6 IS has it, the EF 75-300mm f/4-5.6 doesn't. IS lets you shoot at a slower shutter speed before camera shake becomes an issue.
Review manufacturer specifications and detailed lab measurements for the Canon EF 100-300mm f/4.5-5.6 USM Lens. Compare the specs and measurements of this lens with other lenses.
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canon ef 75 300mm f 4 5.6 is usm review