LEICA APO-Summicron-SL 1:2.9 ASPH.

The Leica APO-Summicron-SL 1:2/90 ASPH. is an excellent telephoto lens from Leica’s APO series, designed specifically for exceptional image quality, high sharpness and minimal chromatic aberrations. With a focal length of 90 mm and an aperture of f/2, it is ideal for portrait photography, nature photography and detailed shots. Like all Leica lenses, this model offers exceptional colour fidelity, high light transmission and a compact design, making it an ideal tool for professional photographers.

Thanks to apochromatic correction (APO), colour distortion is reduced to a minimum, resulting in extremely precise image reproduction, even in high-contrast scenes or difficult lighting conditions. Furthermore, the aspherical lens ensures optical excellence and helps to minimise distortion and aberrations.

Description and features 🌟

The Leica APO-Summicron-SL 1:2/90 ASPH. combines Leica’s signature image aesthetics with the highest optical performance. It is a prime lens which, with its fast aperture and APO technology, delivers exceptional image quality in low light and superb subject isolation.

• Fast f/2 aperture:
  With a maximum aperture of f/2, this lens offers high light transmission, allowing you to take photos even in low light without having to rely on high ISO settings. It also produces a beautiful bokeh effect that separates the subject from the background and clearly focuses on the main subject. 💡✨

• APO technology (apochromatic correction):
  As part of Leica’s APO series, the lens minimises chromatic aberrations and ensures exceptional colour fidelity. It delivers razor-sharp, true-to-life images, even in high-contrast scenes or challenging lighting conditions. This is particularly beneficial for shots with sharp edges and fine details. 🌈🔬

• Aspherical lens for high sharpness:
  The lens utilises aspherical lens elements that reduce optical distortions to a minimum, thereby ensuring consistent sharpness and clarity across the entire image field. This ensures uniform sharpness, even at wide apertures. 🔍🌟

• Compact design and excellent build quality:
  With its compact and robust design, the Leica APO-Summicron-SL 1:2/90 ASPH. is ideal for professional photographers looking for a lightweight yet robust lens. It is weather-sealed, making it a good choice for shooting in challenging conditions. 🌧️🔧

Technical specifications 📊

• Lens type: Telephoto (prime)

• Focal length: 90 mm

• Aperture: f/2 (constant)

• Lens construction: 10 elements in 8 groups

• Minimum focusing distance: 0.60 m

• Angle of view: 27° (full-frame)

• Filter diameter: 67 mm

• Dimensions (diameter x length): 76 mm x 104 mm

• Weight: 700 g

• Focusing: Autofocus with manual focus

• Build quality: Metal body, weather-sealed

• Weather resistance: Yes, sealed against dust and splash water

• Special features:

  • Fast f/2 aperture for excellent performance in low light

  • Apochromatic correction (APO) to minimise chromatic aberrations

  • Aspherical lenses for exceptional sharpness and minimised distortion

  • Compact, robust design with weather-resistant construction

  • High image quality for professional use

Image quality and application 📸

• Sharpness and contrast:
  The Leica APO-Summicron-SL 1:2/90 ASPH. delivers exceptional sharpness that is consistent from edge to edge, even at wide apertures. APO technology ensures that colour fringing is minimised and contrasts are rendered clearly. Image quality remains consistently high, even in difficult lighting conditions or when working with extreme brightness contrasts. 📷🌞

• Bokeh and background blur:
  The fast f/2 aperture ensures a shallow depth of field and a smooth bokeh that perfectly separates the subject from the background. These characteristics make the lens ideal for portrait photography, where you want to focus on the face or other details whilst keeping the background soft and blurred. 🌸💫

• Distortions and aberrations:
  APO technology and aspherical lenses ensure that the lens virtually eliminates distortions and chromatic aberrations. This results in very high image fidelity, particularly with fine details and contrasts. The lens delivers exceptionally high quality, especially in portraits or close-ups. 🏞️🔍

Practical applications 🌟

• Portrait photography:
  The 90 mm focal length is an excellent choice for portrait photography, as it offers a beautiful perspective and allows for the creation of gentle background blur. The wide f/2 aperture helps to highlight the subject and achieve a beautiful isolation, giving the image an aesthetic and professional look. 📸👤

• Nature and wildlife photography:
  The Leica APO-Summicron-SL 1:2/90 ASPH. is also ideal for nature photography, where you want to capture fine details and dynamic scenes. Its high sharpness and high-contrast colour reproduction make it a powerful lens for capturing the fine textures of nature. 🌿🐦

• Close-up photography:
  The excellent sharpness and high resolution of the APO-Summicron-SL 90mm make it ideal for close-up photography or artistic photography where you focus on small elements. Whether it’s product photography, macro photography or simply capturing textures and patterns, this lens delivers outstanding results. 🔍🎨

• Low-light photography:
  With its fast f/2 aperture, the lens offers excellent performance in low light. You can shoot in dark environments without having to increase the ISO settings, which is particularly advantageous for concert photography or in twilight conditions. 🌙📸

Conclusion 🏅

The Leica APO-Summicron-SL 1:2/90 ASPH. is an exceptional telephoto lens that offers unrivalled image quality thanks to its high light transmission, apochromatic correction and aspherical lenses. It is ideal for portrait photography, nature photography and close-ups, and consistently delivers outstanding sharpness, accurate colour reproduction and a smooth bokeh. If you’re looking for a lens that offers both high quality and versatility, the **Leica APO