Here's a breakdown to help you decide if it's right for you:
Arguments for Needing (or Highly Desiring) a 70-200mm Lens for Portraits:
* Compression: This is the biggest draw. The longer focal lengths of the 70-200mm compress features, which is generally more flattering for portraits. It minimizes distortion and can make subjects appear thinner and more balanced.
* Background Blur (Bokeh): Especially with a fast aperture (f/2.8 is common), a 70-200mm lens can create beautiful, creamy background blur, isolating your subject and making them pop. This is particularly effective in busy environments.
* Working Distance: Allows you to stand further away from your subject. This can be crucial for:
* Candid or Less Intrusive Shots: You can capture natural expressions without being right in the subject's face.
* Shooting with Nervous Subjects: Some people are more comfortable with distance.
* Telephoto Compression: Achieve that compressed look with backgrounds appearing closer to the subject than they are.
* Versatility: It's not just for portraits. The 70-200mm is also great for events, sports, wildlife, and other types of photography.
* Professional Look: Clients often associate larger, more expensive lenses with professionalism, which can inspire confidence.
Arguments Against Needing a 70-200mm Lens for Portraits:
* Cost: 70-200mm lenses, especially those with fast apertures, are expensive. This can be a significant barrier to entry.
* Size and Weight: They are large and heavy lenses, which can be tiring to carry around for extended periods. This is less of a factor with newer, smaller/lighter versions, but still a consideration.
* Shooting Space: You need room to back up. If you primarily shoot in small studios or confined spaces, it might not be practical.
* Alternative Options:
* 85mm Lens: An 85mm prime lens is a classic portrait lens that offers excellent image quality, beautiful bokeh, and a more compact size. It's often more affordable than a 70-200mm.
* 50mm Lens: The "nifty fifty" is a versatile and affordable option. While not ideal for extreme compression, it can produce excellent portraits, especially in environmental settings.
* 35mm Lens: Best for environmental portraits where you want to show more of the scene around the subject.
Here's a checklist to help you decide:
1. What is your budget? Can you afford a high-quality 70-200mm, or would an 85mm or 50mm be a better investment right now?
2. What is your shooting style? Do you prefer close-up, intimate portraits, or do you prefer to stand back and capture more candid moments?
3. Where do you primarily shoot? Indoor studio, outdoor locations, or a mix? How much space do you have?
4. What kind of background blur do you desire? Do you need extreme bokeh to isolate your subject, or are you happy with a more subtle effect?
5. Do you photograph other subjects besides portraits? If so, the versatility of a 70-200mm might make it more worthwhile.
6. Can you rent a 70-200mm lens to try it out? This is the best way to see if it fits your needs and workflow.
In Conclusion:
A 70-200mm lens is a fantastic tool for portrait photography and many professionals love the focal length and the results it can produce. The compression, background blur, and working distance are all valuable advantages. However, it's not the *only* option. Consider your budget, shooting style, and the space you have available before making a decision. If you're unsure, renting one for a weekend is a great way to test the waters. You might find that an 85mm or even a 50mm suits your needs just as well (or even better!). There's no single "best" lens – it's about finding the right tool for *your* specific needs and artistic vision.