Sony Sonnar T* 135mm F1.8 ZA vs Sony FE 135mm F1.8 GM
Better figure, where one is clearly better
| SonySonnar T* 135mm F1.8 ZA | SonyFE 135mm F1.8 GM | |
|---|---|---|
| Overview | ||
| Released | October 2006 | April 2019 |
| Optics | ||
| Lens type | Prime | Prime |
| Focal length | 135 mm | 135 mm |
| Maximum aperture | f/1.8 | f/1.8 |
| Minimum aperture | f/22 | f/22 |
| Optical construction | Eleven elements in eight groups | 13 elements in 10 groups |
| Special elements | Two ED elements | XA extreme-aspherical, Super ED and ED glass elements |
| Coatings | Zeiss T* coating | Nano AR Coating; fluorine coating on front element |
| Diaphragm | Nine rounded blades | 11 rounded blades |
| Angle of view | 18° full-frame; 12° APS-C | 18° full frame; 12° APS-C |
| Mount and compatibility | ||
| Mounts | Sony A | Sony E |
| Image circle | Full frame | Full frame |
| Image circle detail | Full-frame A-mount coverage; 202.5 mm equivalent field of view on APS-C | Full-frame coverage; 202.5 mm equivalent field of view on APS-C |
| Teleconverter support | Sony 1.4× and 2× teleconverters unsupported | Not compatible with SEL14TC or SEL20TC |
| Focus and stabilisation | ||
| Autofocus | Yes | Yes |
| Minimum focus distance | 0.72 m | 0.7 m |
| Maximum magnification | 0.25× | 0.25× |
| Optical stabilisation | – | No |
| Autofocus detail | Camera-body screw-drive autofocus (OpticalLimits and Phillip Reeve); no in-lens SSM motor | Four XD linear motors, two per focus group; floating focus design and internal focusing |
| Focus distance detail | Internal focusing; 0.72 m minimum focus | Minimum focus 0.7 m; Linear Response MF; focus limiter selects full, 0.7–2 m or 1.5 m–infinity |
| Magnification detail | 0.25× maximum magnification | Maximum magnification 0.25× |
| Stabilisation detail | Sony describes stabilisation supplied by compatible Alpha camera bodies | No lens stabilisation; compatible bodies provide stabilisation |
| Design | ||
| Dust and moisture resistant | – | Yes |
| Filter diameter | 77 mm | 82 mm |
| Maximum diameter | 88 mm | 89.5 mm |
| Length | 114.5 mm | 127 mm |
| Weight | 995 g | 950 g (better) |
| Controls | Focus-hold button; auto-clutch focus ring does not rotate during autofocus | Aperture ring with click on/off, AF/MF and focus-range switches; two customisable focus-hold buttons |
| Filter detail | 77 mm filter thread | – |
| Weather resistance | No dust/moisture sealing (OpticalLimits and Phillip Reeve) | Dust- and moisture-resistant design; not guaranteed completely dust- or moisture-proof |
| Dimensions detail | 88 mm maximum diameter × 114.5 mm length | – |
| Weight detail | Approximately 995 g, maker lens weight | Approximately 950 g lens; separate hood and caps excluded |
| Lens hood | Bayonet hood supplied | ALC-SH156 round bayonet hood with release button |
| In the box | Hood and lens case | ALC-SH156 hood, ALC-F82S front cap, ALC-R1EM rear cap and soft carrying case |
| Release detail | Sony’s 6 June 2006 Alpha lens announcement, revised 12 July, states October sale in Japan; no exact day is specified. | Sony Europe specified April 2019 shipment; Japan specified 19 April, distinct from 5 March pre-orders; North America specified late April. Main date preserves April precision. Maker specifies XA glass, rather than the AA label in Amateur Photographer; maker 0.7 m minimum focus also resolves a 0.70 cm typo in Photography Blog’s conclusion |
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