Here's a breakdown of the pros, cons, and alternatives to help you decide:
Why a 70-200mm is Great for Portraits:
* Compression: The longer focal lengths compress perspective, which is generally flattering for portraits. It makes features like noses and chins appear less prominent and draws the background closer, creating a more intimate feel.
* Bokeh (Background Blur): 70-200mm lenses, especially with wider apertures (f/2.8 is common), excel at creating beautiful background blur (bokeh), isolating your subject and adding depth.
* Working Distance: Allows you to shoot portraits without being right up in the subject's face, which can make them feel more comfortable and natural. You can also direct them more easily from a distance.
* Versatility: While primarily used for portraits, it's also useful for events, sports, wildlife, and even some landscape photography.
* Subject Isolation: Long focal lengths help you isolate your subject from distracting backgrounds, especially in busy environments.
Cons of a 70-200mm:
* Cost: High-quality 70-200mm lenses, especially those with a wide aperture (f/2.8), are expensive. There are cheaper options, but image quality may suffer.
* Size and Weight: They are large and heavy, making them less convenient for travel or long shoots. Can be tiring to handhold for extended periods.
* Space Requirements: You need more space to use it effectively. In tight spaces, you might find yourself backing up against walls to get the shot you want.
* Can Feel Impersonal: While the distance can be a pro, some photographers prefer a closer connection with their subjects.
Alternatives to a 70-200mm Lens:
* 50mm Lens: A "nifty fifty" is a classic portrait lens and a great, affordable option, especially with a wide aperture like f/1.8 or f/1.4. It's lightweight, versatile, and produces beautiful images. However, it lacks the compression and background isolation of a 70-200mm. You'll need to get closer to your subject.
* 85mm Lens: Considered by many to be *the* ideal portrait lens. It offers a good balance of compression, bokeh, and working distance. It's often more affordable than a 70-200mm, though high-end versions can be pricey.
* 100mm/105mm Macro Lens: Excellent for portraits and macro photography. Provides great sharpness and bokeh. Can be slightly less versatile than an 85mm but excels at close-up details.
* Zoom Lenses in Other Ranges (e.g., 24-70mm): While they don't offer the reach of a 70-200mm, some shorter zoom lenses can be versatile enough for portraits, especially in environmental portraiture where you want to include more of the surroundings.
Here's a breakdown of when a 70-200mm is particularly useful:
* Outdoor Portraits: The reach is ideal for shooting in parks, fields, or other outdoor locations where you have plenty of space and want to isolate your subject.
* Events: Capturing candid portraits at events like weddings or parties.
* Studio Portraits (Larger Studios): In a studio setting, the longer focal length allows you to create a variety of looks and poses.
* Working with Shy or Anxious Subjects: The distance can help them feel more comfortable.
* When you Want Maximum Background Blur: The 70-200mm with a wide aperture is unmatched for creating creamy bokeh.
Ultimately, the best lens for you depends on your:
* Budget: How much are you willing to spend?
* Style: Do you prefer close-up, intimate portraits, or more distant, environmental portraits?
* Typical Shooting Environments: Do you shoot mostly indoors, outdoors, or a mix of both?
* Personal Preferences: Some photographers simply prefer the look and feel of a particular focal length.
Recommendation:
If you are serious about portrait photography and have the budget, a 70-200mm lens is a worthwhile investment. However, if you're on a tighter budget or prefer a more intimate shooting style, a 50mm or 85mm lens is a great starting point. Renting a 70-200mm before buying is a good way to see if it fits your style and needs. Good luck!