Here's a breakdown of why, considering both the pros and cons:
Arguments FOR a 70-200mm for Portrait Photography:
* Compression and Background Blur (Bokeh): The longer focal lengths in this lens range are excellent for compressing features in a portrait, making noses look less prominent and faces appear more balanced (subjective, but a common aesthetic). They also excel at creating beautiful background blur (bokeh), isolating your subject and making them stand out. This is often a key factor in achieving that professional, polished look.
* Working Distance: The 70-200mm allows you to work at a comfortable distance from your subject. This is particularly helpful for:
* Candid Portraits: Allows you to capture natural moments without feeling intrusive.
* Shy Subjects: Provides space and less pressure for subjects who are uncomfortable with closer proximity.
* Children and Animals: Gives you the space needed to capture them without being in their faces.
* Versatility: This lens can cover a range of portrait types, from tight headshots at 200mm to environmental portraits at 70mm. It can be used in various settings, from studios to outdoors.
* Image Quality: 70-200mm lenses, especially the higher-end ones, are known for their exceptional sharpness, contrast, and overall image quality.
* Full-Body Portraits: Especially in outdoor locations, the reach allows you to frame full-body portraits effectively.
Arguments AGAINST a 70-200mm for Portrait Photography:
* Price: High-quality 70-200mm lenses are often a significant investment. They can be one of the most expensive lenses in a photographer's kit.
* Size and Weight: These lenses are generally large and heavy, which can make them tiring to carry around for extended periods. This can be a limiting factor if you prefer to travel light or shoot on location for long durations.
* Indoor Limitations: In smaller studios or indoor locations, the 70-200mm can feel restrictive. You might not have enough space to step back and frame your subject effectively, especially at longer focal lengths.
* Other Lens Alternatives: There are other excellent portrait lenses that might be a better fit for your style and budget. Consider:
* 50mm: A "nifty fifty" is affordable, lightweight, and versatile.
* 85mm: A classic portrait lens known for its beautiful bokeh and flattering perspective. Often more compact than a 70-200mm.
* 35mm: A good choice for environmental portraits that tell a story.
Ultimately, the decision depends on these factors:
* Your Portrait Style: Do you prefer tight headshots, environmental portraits, or something in between?
* Your Budget: Can you afford a good quality 70-200mm?
* Your Typical Shooting Environment: Do you shoot primarily in studios, outdoors, or a combination of both?
* Your Comfort Level with Weight and Size: Are you comfortable carrying a heavier lens?
* Your Subject Matter: Do you work with adults, children, animals, or a combination?
Conclusion:
The 70-200mm lens is a powerful and versatile tool for portrait photographers. It offers excellent image quality, beautiful background blur, and the ability to work at a comfortable distance from your subject. However, it's also expensive, heavy, and potentially limiting in smaller spaces.
Before investing, consider renting a 70-200mm lens to try it out and see if it fits your shooting style and needs. Also, evaluate other lens options like 50mm, 85mm, or even a wider zoom lens like a 24-70mm, to determine what works best for your specific portrait photography goals.