Ricoh has announced a pare of the new 50mm F1.4 lenses built for Pentax K-mount DSLR cameras. Both the lenses are similar…but different.
HD Pentax-FA 50mm F1.4 lens has 7 elements placed in 6 optical groups. Modeled after a 1991 film lens from Pentax, this lens updates on the past with a lens coating meant to improve contrast and edge-to-edge sharpness.
| Principal specifications | |
|---|---|
| Lens type | Prime lens |
| Max Format size | 35mm FF |
| Focal length | 50 mm |
| Lens mount | Pentax KAF |
| Aperture | |
| Maximum aperture | F1.4 |
| Minimum aperture | F22 |
| Aperture ring | Yes |
| Number of diaphragm blades | 8 |
| Optics | |
| Elements | 7 |
| Groups | 6 |
| Special elements / coatings | SP (Super Protect) coating, HD coating |
| Focus | |
| Minimum focus | 0.45 m (17.72″) |
| Maximum magnification | 0.15× |
| Autofocus | Yes |
| Motor type | Screw drive from camera |
| Full time manual | Yes |
| Focus method | Internal |
| Distance scale | Yes |
| Physical | |
| Weight | 223 g (0.49 lb) |
| Diameter | 65 mm (2.56″) |
| Length | 41 mm (1.59″) |
| Colour | Black |
| Filter thread | 49 mm |
| Hood supplied | No |
| Tripod collar | No |
smc Pentax-FA 50mm F1.4 Classic Lens
smc Pentax-FA 50mm F1.4 Classic lens has 7 elements placed in 6 optical groups. Modeled after a 1991 film lens from Pentax, this lens seeks to mimic rainbow lens flare at wide apertures, a characteristic often found in film lenses of the era.
| Principal specifications | |
|---|---|
| Lens type | Prime lens |
| Max Format size | 35mm FF |
| Focal length | 50 mm |
| Lens mount | Pentax KAF |
| Aperture | |
| Maximum aperture | F1.4 |
| Minimum aperture | F22 |
| Aperture ring | Yes |
| Number of diaphragm blades | 8 |
| Optics | |
| Elements | 7 |
| Groups | 6 |
| Special elements / coatings | SP (Super Protect) coating |
| Focus | |
| Minimum focus | 0.45 m (17.72″) |
| Maximum magnification | 0.15× |
| Autofocus | Yes |
| Motor type | Screw drive from camera |
| Full time manual | Yes |
| Focus method | Internal |
| Distance scale | Yes |
| Physical | |
| Weight | 216 g (0.48 lb) |
| Diameter | 65 mm (2.56″) |
| Length | 37 mm (1.46″) |
| Filter thread | 49 mm |
| Tripod collar | No |
| SUPPORT CAMERAEGG, BUY FROM ONE OF OUR AFFILIATE RETAILERS, THANKS ! | ||
|---|---|---|
| Pentax SMC PENTAX-FA 50mm f/1.4 Classic | $379.95 | B&H/ Adorama |
| Pentax HD PENTAX-FA 50mm f/1.4 | $349.95 | B&H/ Adorama |