Leica Summilux M 50mm F 1 4 Review | 54 Data compared

The Leica 50mm Summilux-M f/1.4 ASPH is a premium, razor-sharp prime lens capable of isolating subjects with an exceptionally smooth, creamy background bokeh. Tested on a Leica M8 camera, its performance was analyzed using a 1.3x crop factor that pushed the effective focal length to 65mm. A major standout feature is its outstanding sharpness and resolving power even when shot wide open at f/1.4, drawing out significant fine detail for portraits while offering excellent low-light capabilities. Additionally, the silver version of this lens features a highly robust, lifetime-lasting build with a solid brass lens barrel. Buyers also benefit from Leica's excellent "Passport Warranty," which covers extensive accidental damage repairs. However, the lens comes with notable downsides, primarily its steep retail price tag which sits well beyond $3,595–$4,100. This high cost is heavily contrasted by much more affordable alternatives from Zeiss and Voigtlander, which offer comparable image quality for thousands of dollars less. In terms of performance, the lens is so intensely sharp that it reveals every physical wrinkle, fine line, and flaw, leading some portrait photographers to prefer the softer...

The Leica 50mm f/1.4 Summilux ASPH, originally released in 2004, delivers a highly uneven but impressive optical performance that heavily prioritizes central sharpness over peripheral detail. The reviewer notes that the lens produces exceptionally sharp images in the center 50% of the frame right from its maximum aperture of f/1.4. Its advanced design—which includes an expensive specialized glass element and a pioneering floating lens group—effectively eliminates lateral chromatic aberration and keeps longitudinal color fringing remarkably well-controlled. Photographers will appreciate the smooth, creamy background and foreground bokeh that retains a distinct character, alongside a flawless all-metal build quality featuring a precise aperture ring and an integrated pull-out hood. However, the lens suffers from notable drawbacks regarding size, mechanics, price, and edge sharpness. The mid-frame and corners remain noticeably soft and unsharp at f/1.4, requiring the user to stop down to f/4 to achieve optimal, crisp performance across the entire landscape frame. Mechanically, the reviewer experienced a stiff and uncomfortable focus ring specifically on the heavier 2004 silver brass version, which hindered the seamless use of the focusing tab. Furthermore, the lens...

The Leica Summilux 50mm f1.4 ASPH lens is a premium M-mount lens that proves to be worth its high price tag, especially for demanding scenarios like documentary wedding and low-light photography. A key advantage of this lens is its ability to focus closer than 0.7 meters, which delivers a shallow depth of field and beautiful bokeh that can exhibit a unique swirl in the corners. Optically, it provides edge-to-edge sharpness across the entire image even when shot wide open, is very sharp at infinity, and suffers from no focus shift issues. Additionally, it features a convenient built-in lens hood and maintains excellent resale value over time. However, the lens does have a few drawbacks when compared to alternatives like the Zeiss ZM Sonnar 50mm f1.5. The Summilux is significantly more expensive—costing roughly 2.5 times more than the Zeiss—while producing images that can look remarkably similar at a 0.9-meter distance wide open. It is also a heavier and larger lens that blocks the bottom right-hand corner of a rangefinder's viewfinder. Furthermore, its performance changes when stopped down; while it excels at...

The Leica Summilux 50mm f/1.4 ASPH delivers an outstanding optical performance that stands out for its exceptional center sharpness and strong, unique signature look when shot wide open at f/1.4. One of its greatest strengths is a complete immunity to ghosting and flare when shooting directly into the sun. Furthermore, thanks to its sophisticated floating lens element (FLE) design, it suffers from absolutely zero focus shift across all apertures and working distances, making it a reliable and flawless choice for close-up portraits. When stopped down to f/2 and beyond, the lens becomes highly contrasty and clinically correct, while maintaining an exceptionally creamy and smooth bokeh. However, the lens has several notable drawbacks, starting with its steep price of $3,895 USD, which severely limits its value proposition compared to cheaper, high-performing alternatives. Ergonomically, the reviewer criticized its very short focus throw and narrow focusing barrel grip, which make fine-tuning focus difficult. The FLE system also creates a stiff, harder-to-turn focusing resistance. Additional cons include heavy vignetting at f/1.4, extreme corners that never get completely sharp even at f/5.6–f/8, known copy variations...

The Leica Summilux 50mm f/1.4 Pre-ASPH Millennium Edition is highly praised for its unique, non-aspherical design that removes the "clinical" digital feel of modern lenses, producing a warm, smooth, and "film-like" aesthetic with beautiful bokeh. Reviewer Oz Yilmaz notes its exceptional build quality, specifically highlighting the scalloped focus dial which enables rapid manual adjustments and turns operation into second nature with familiarity. Tested under challenging, low-light bar conditions at f/1.4 and ISO 2000, the lens acts as a seamless extension of the camera, delivering rich colors, distinct character, and excellent close-up sharpness straight out of the camera without requiring digital alterations. However, the lens presents specific handling challenges and distinct optical compromises. Its classic design produces noticeable distortion and lower contrast compared to modern aspherical versions, making it a more niche, less versatile choice. Shooting wide open at f/1.4 yields an incredibly shallow depth of field, which requires exact manual focusing precision since the lens is unforgiving of slight user or subject movement. Furthermore, photographers accustomed to the standard Leica thumb-lever focus style will face a distinct learning curve when...

The Leica Summilux-M 50mm f1.4 ASPH II is a high-performance M-mount lens that sets a new optical benchmark, particularly when compared to its predecessor, the ASPH I. Its standout upgrade is a significantly reduced minimum focus distance (MFD) of 0.45m compared to the previous 0.7m, allowing photographers to capture much tighter close-up details when utilizing an EVF or LiveView. Optically, the lens introduces an 11-blade aperture design (up from 9) that yields smoother, rounder bokeh, alongside higher contrast and vastly improved corner-to-edge sharpness from f1.4 up to f8. Additionally, lens flare is much better controlled, resulting in a cleaner, less distracting spray pattern when shooting directly into the sun. Despite these stellar upgrades, the lens comes with several distinct limitations. While the 0.45m close-focus feature is highly advantageous, it requires mirrorless bodies or an external electronic viewfinder (Visoflex/LiveView) to focus, as standard Leica M rangefinder mechanisms cannot couple below 0.7m. Furthermore, center resolution at infinity remains largely unchanged from the original version, meaning portrait photographers who shoot centrally may find the older, less expensive ASPH I "good enough". Finally, the...

The Leica Summilux-M 50mm ƒ1.4 reissue is the fifth lens in Leica’s Classic Line, blending a vintage cosmetic body design reminiscent of the 1959 Version I with the 7-element, 5-group optical formula of Versions II and III. Built with a solid chrome-over-brass construction weighing 417 grams, it features an improved minimum focusing distance of 0.7 meters and a 12-aperture blade design. The reviewer notes that the lens handles beautifully, offering tactile aperture clicks and a smooth focus ring, providing photographers with a character-driven alternative that is priced approximately 20% lower than the current modern close-focusing Summilux 50mm. In terms of performance, the lens delivers a dual personality with distinct pros and cons. The primary advantages include a dreamy, character-rich wide-open rendering with creamy bokeh and a distinct "classic glow" at ƒ1.4, which sharpens significantly with higher contrast and reduced aberrations once stopped down past ƒ2.8. However, users must contend with several optical compromises: the corners and edges remain soft when shot wide open, the lens lacks a floating element making it subject to focus shift, and it is prone to...

The Leica 50mm Summilux-M ASPH f/1.4 (2004) is highly praised by reviewer Thorsten Overgaard as a compact, versatile masterpiece of optical and industrial design that acts as an ideal "workhorse" for Leica M cameras. Optically, the lens functions as an unlabelled APO construction, offering exceptional clarity, sharp textures, high contrast, and highly accurate color representation wide open at f/1.4. Photographers will particularly appreciate its artistic "smokey bokeh," which provides a smooth, aesthetic fog-like texture in backgrounds, and its useful minimum focus distance of 70 cm. However, the review highlights specific design quirks, particularly regarding the limited edition Black Chrome brass version, which is notably heavier than the standard aluminum models. A prominent drawback is the loose, vintage-style brass clip-on lens shade that frequently falls off, requiring a trip to Leica in Wetzlar to modify it into a more secure screw-on mount. Additionally, this version relies on a less common 43mm filter thread compared to the traditional 46mm size. Attaching standard 43mm filters prevents the original hood from fitting properly, forcing users into a clumsy workaround of dropping the filter directly...

This review evaluates the Leica Summilux 50mm 1.4 E43 (Version 2), an iconic lens designed by Dr. Walter Mandler in 1961 that maintained its optical cell configuration for 43 years. Built as a dense chunk of aluminum and brass, the lens offers an outstanding size-to-performance ratio that balances perfectly on rangefinder bodies. Its standout physical attributes include a silky smooth 180-degree long focus throw favoring precise focusing, and a tapered barrel shape that prevents viewfinder blockage. Optically, the lens delivers exceptional center frame sharpness from wide open, well-controlled lateral chromatic aberration, decent bokeh, and highly commendable flare control given its vintage era. However, the lens suffers from notable ergonomic and optical drawbacks. Its most irritating physical limitation is a restrictive 1-meter minimum focusing distance, alongside an overwhelmingly large, poorly integrated official lens hood and an uncommon 0.5mm filter thread pitch that makes finding modern filters highly difficult. Optically, the lens exhibits heavy wide-open vignetting, distinct spherical aberration resulting in a noticeable "glow" around white details, apparent field curvature, visible spherochromatism, and minor barrel distortion. Ultimately, despite its superb craftsmanship and...

Elmar Streyl reviews the new Leica Summilux-M 50 mm 1:1.4 in the "Classic Line," praising its 1950s aesthetic, great performance, and beautiful bokeh that excels at portraiture. The lens offers excellent tactile handling and a favorable price point, making it a standout option in Leica's lineup. Leica Forum Conversely, the lens is not fully corrected at f/1.4, resulting in classic aberrations, and features a longer focus throw, making focusing slower. Additionally, its solid, vintage-inspired construction makes it heavier than the modern Summilux ASPH, resulting in a potentially front-heavy, less ergonomic setup.

The Leica 50mm Summilux-M f/1.4 ASPH (2023) introduces a significant update to a legendary optical line by incorporating a close-focus helicoid that drops the minimum focusing distance from the traditional 70 cm down to 45 cm. This change enhances the lens's maximum magnification from 1:11.3 to 1:6.4. To handle this closer range, Leica integrated a helpful physical detent at the 70 cm threshold to signal when the user must transition from the rangefinder to Live View or an EVF. Optically, the lens features a slightly modified design optimized specifically for high-resolution sensors like the 60-megapixel M11, and it increases its aperture blade count from 9 to 11 to achieve a smoother, improved bokeh quality. The core advantages of this lens include its superior edge-to-edge definition over its predecessor, optimization for modern sensors, a higher blade count for pleasing bokeh, and the creative flexibility of close-up shooting. However, the lens does present a few distinct drawbacks. From a design standpoint, it features a fatter barrel that is 6mm longer and 5mm thicker than the previous version, altering its classic aesthetic and...

The Leica 50mm Summilux-M f/1.4 II Pre-ASPH "Heritage" reissue stands out as an economically viable, character-rich option compared to the premium Noctilux series, making it highly attractive for romantic and portrait photographers who prioritize a classic, filmic look. Tested on a 60MP Leica M11-D, the lens proves its optical resilience on modern, high-resolution digital sensors. It features a dual personality: wide open at f/1.4, it delivers a dreamy, ethereal rendering with a smooth, non-distracting bokeh that is incredibly gentle on skin tones, capturing lush colors beautifully. However, once stopped down to f/2.8, the lens transitions into a razor-sharp, highly versatile performer, adapting seamlessly to a wide range of photographic environments. While it excels in artistic rendering, the Pre-ASPH reissue does come with notable compromises when compared to modern alternatives like the 50mm Summilux ASPH. It exhibits visible vignetting wide open, and though this mostly disappears by f/2.8, it also suffers from more prominent chromatic aberration and purple fringing in high-contrast lighting. Additionally, its minimum focusing distance is limited to 0.7m, which—while a significant upgrade over the original vintage version's 1-meter...