PRODUCT DESCRIPTION
| Lens | Mamiya-Sekor Zoom 100-200mm f/5.2 W |
| Optical construction | 14 elements / 12 groups |
| Max aperture | f/5.2 |
| Min aperture | f/45 |
| Diaphragm | Automatic |
| Focal length | 100-200mm |
| Equivalent 35mm focal length | 49-97mm |
| Angle of view | W: 8° T: 25° |
| Min focusing dist. | W:225mm T: 894mm |
| Magnification | W: 0.45x T: 0.25x |
| Coverage | W: 126 x 126mm T: 237 x 370mm |
| Filter size | 77mm |
| Lens hood | Slip-on (specific) |
| Dimensions | 109 x 173mm |
| Weight | 1620g |
This is the cheapest of all RZ lenses on the second-hand market and the only zoom made by Mamiya for the RZ system. Practically on purpose for this review but also with the idea to use it outside and have a variable focal length for some situations (between 100 and 200 mm). Well, that’s what zooms are made for.
It’s also the only Mamiya lens for the RZ system which has a focusing ring. All others use the bellows extension to achieve focus. So with the zoom, you have two ways to focus your images: using the ring or bellows extension. So, when photographing with the zoom from 3m to ∞, the bellows have to be totally retracted and you have to use the lens helicoid ring for focusing. When shooting close-ups within 3m, set the helicoid at ∞, and extend the body bellow for focusing.
First impression: it’s a big lens and a weighty one (1.6kg!) When installed on the RZ, the combo is not easy to use hand-held. The focal length ring and the focusing ring are on the front of the lens, which causes a significant imbalance in the combo. Setting the desired focal length is not easy; the ring is not very soft (on mine, at least). The three marks you can see (red, yellow, green) are the marks for focusing. The red one is for classic films. You set the distance of the focusing ring on this mark. The yellow is for IR films when you are at 200 mm, the green for IR film when you are at 100 mm. You have to set the distance between the yellow and green marks when you use intermediate focal lengths (between 100 and 200 mm).
Product ($399) SN: *5159
Condition: Like New (LN)
Warranty: No Warranty (Film Camera Sold As It Is)
What You Will Get
- Front / Rear Caps
**IMAGES FOR ILLUSTRATION ONLY.**
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Black Market Camera
Peninsula Shopping Centre
(NOT Peninsula Plaza/Next to Excelsior Hotel)
#03-30/31/32
Opening hours: 12.30pm-7.45pm (Mon-Sat) 2pm-6pm (Sun)
Tel: 6336 6349
Next to Funan Mall
Nearest MRT: City Hall MRT