By David Farkas, Leica Store Miami
Today, Leica has announced two new full-frame L-Mount lenses for the SL-System. The Leica Summicron-SL 35mm f/2 ASPH and Leica Summicron-SL 50mm f/2 ASPH join the already outstanding roster of SL glass, offering more choices for SL users in the two most common focal lengths. The new lenses don't replace the existing and exceptional APO-Summicron-SL 35 and 50mm. Rather, they offer much lighter and compact alternatives with a more classic rendering.
Lightweight SL Lenses
At almost half the weight and 20% smaller size relative to their respective APO-Summicron counterparts, the new Summicrons clock in at a mere 400g / 13oz and just 83mm / 3.25in in length, addressing frequent requests from users for lighter weight lens options. To put the 400g weight of the new lenses into perspective, the Summilux-M 35mm f/1.4 ASPH FLE II weighs only slightly less at 350g. Quite impressive considering we're comparing a weather-sealed autofocus SL lens against a manual focus M lens with a 46mm front diameter.
Full Featured
Just like the APO-Summicron-SL lenses, the Summicron-SL ASPH line features the same barrel dimensions between the two focal lengths, as well as sharing the E67 filter diameter across all Summicron-SL and APO-Summicron-SL models. AquaDura hydrophobic lens coating for easy cleaning comes standard, as does full weather and dust sealing. Silent linear drive focusing is quick and precise, equally suited for still or video applications. And despite their light weight, the Summicron-SL lenses are just as rugged as the heavier primes, with the same all-metal barrel construction and rubber focus rings. In order to lower the price point, Leica opted to manufacture these in their Portugal facility rather than Germany. Don't expect any sacrifice in quality though. This is the same state-of-the-art factory that produces all of the top-notch Leica Sport Optics binoculars and scopes.
Summicron-SL 35mm f/2 ASPH
Compared to APO-Summicron-SL 35mm ASPH
SL 35mm ASPH | APO-SL 35mm ASPH | |
| Closest Focus | 0.24 meters | 0.27 meters |
| Reproduction Ratio | 1:4.6 | 1:5 |
| ASPH Surfaces | 6 | 5 |
| Weight | 400 grams | 750 grams |
| Length | 83mm | 102mm |
| Diameter | 74.5mm | 73mm |
| Filter Size | E67 (67mm) | E67 (67mm) |
Tech Specs
| Order Number | 11192 |
| View angle (diagonal/horizontal/vertical) Full-frame (24 x 36 mm) | 63.0°/53.6°/38.3° |
| Number of lenses/assemblies | 11/9 |
| Number of aspherical surfaces | 6 |
| Position of the entrance pupil before the bayonet | 61.8mm |
| Focus range | 0.24m to infinity |
| Smallest object field | Full-frame: 110 x 165mm |
| Reproduction Ratio | 1:4.6 |
| Firmware | Lens firmware can be updated via the camera |
| Aperture Setting/Function | Electronically controlled aperture, setting on the camera, half or third values can also be set |
| Smallest aperture | 22 |
| Coating | Hydrophobic Aqua-Dura® coating on external lenses |
| Bayonet | Leica L bayonet fitting with contact strip |
| Filter thread | E67 (67mm) |
| Lens hood | Male bayonet for lens hood (included in the scope of delivery) |
| Length | Approx. 83mm/124mm (without/with lens hood) |
| Diameter | Approx. 74.5mm/82mm (without/with lens hood) |
| Weight | Approx. 400g/444g (without/with lens hood) |
| Scope of Delivery | Lens, lens hood, rear lens cap, front lens cap, lens bag |
| Material | Magnesium and aluminum full-metal housing, black anodized, dust and splash water protected |
Summicron-SL 35mm f/2 ASPH MTF Chart
Summicron-SL 35mm f/2 ASPH
Compared to APO-Summicron-SL 50mm ASPH
SL 50mm ASPH | APO-SL 50mm ASPH | |
| Closest Focus | 0.45 meters | 0.35 meters |
| Reproduction Ratio | 1:7.4 | 1:5 |
| ASPH Surfaces | 6 | 4 |
| Weight | 402 grams | 740 grams |
| Length | 83mm | 102mm |
| Diameter | 74.5mm | 73mm |
| Filter Size | E67 (67mm) | E67 (67mm) |
Tech Specs
| Order Number | 11193 |
| View angle (diagonal/horizontal/vertical) Full-frame (24 x 36 mm) | 47.4°/40.1°/27.4° |
| Number of lenses/assemblies | 9/8 |
| Number of aspherical surfaces | 6 |
| Position of the entrance pupil before the bayonet | 53.0mm |
| Focus range | 0.45m to infinity |
| Smallest object field | Full-frame: 177 x 265mm |
| Reproduction Ratio | 1:7.4 |
| Firmware | Lens firmware can be updated via the camera |
| Aperture Setting/Function | Electronically controlled aperture, setting on the camera, half or third values can also be set |
| Smallest aperture | 22 |
| Coating | Hydrophobic Aqua-Dura® coating on external lenses |
| Bayonet | Leica L bayonet fitting with contact strip |
| Filter thread | E67 (67mm) |
| Lens hood | Male bayonet for lens hood (included in the scope of delivery) |
| Length | Approx. 83mm/124mm (without/with lens hood) |
| Diameter | Approx. 74.5 mm/82mm (without/with lens hood) |
| Weight | Approx. 402g/446g (without/with lens hood) |
| Scope of Delivery | Lens, lens hood, rear lens cap, front lens cap, lens bag |
| Material | Magnesium and aluminum full-metal housing, black anodized, dust and splash water protected |
Summicron-SL 50mm f/2 ASPH MTF Chart
Pricing, Ordering and Availability
Initial deliveries of the new Summicron-SL lenses will start soon for a price of $2,195 for the 35mm and $1,895 for the 50mm. As with any major Leica launch supply will likely be limited for a while. If you are interested in ordering the 35mm or 50mm Summicron-SL, you can do so at Leica Store Miami by clicking the buttons below, calling 305-921-4433 or sending an email to info@leicastoremiami.com. If you are interested in trading in any other Leica equipment towards the purchase of the lens, you can note it during the pre-order process.
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