Amazon.com: Rokinon 85m-p 85mm F1.4 Aspherical Lens For Pentax In Stock
Buy the Amazon.com: Rokinon 85m-p 85mm F1.4 Aspherical Lens For Pentax . This highly desirable item is currently in stock. For this price, the Amazon.com: Rokinon 85m-p 85mm F1.4 Aspherical Lens For Pentax is widely respected and is a regular choice for most people. With so many on offer right now, it is wise to have a make you can recognise. This is certainly that and will be a great buy. The supplier have provided some great touches and this results in good value. You can believe this review, i hope you can try to buy this product if you want know this product. Pros:
Image quality from wide open
Bokeh
Handling
Construction quality
Value
Video use
Cons:
Image quality doesn't improve a lot stopping down the aperture
Included 72mm lens cap is junk
Hood not positive feeling
Focusing at 85mm f/1.4 is difficult
About 1/3rd stop darker than my other 85mm lenses
Bottom Line:
Buy this lens now if you want a superb manual focus long portrait lens of modern design and don't want to empty your pocket book. It performs like a name brand 85mm f/1.4 at a fraction the price. You must be proficient with manual focus to use this lens at f/1.4 (or be willing to learn).
Review:
The lens produces nice usable portraits from wide open. There is a pleasing softness too it, but the eyes appear nice and sharp and the bokeh transitions are smooth. Specular highlights in the bokeh are smooth and fairly uniform with minimal rings or donuts. The modern aspherical lens design takes care of most spherical aberration. I bought this lens solely for f/1.4-f/5.6 usage. If I want to use the f/4+ range I will use my f/4 zoom, so wide open performance of the 85mm was critical too me, otherwise it added nothing over my slower zoom. I would not be afraid to use this lens at f/1.4 for portraits.
Wide open it does show a small amount of purple fringing around very high contrast subjects, but it almost has to be blown out next to a darker object for it to be noticeable. The lens also has your typical green/red chromatic aberrations (CA) visible in the bokeh, which I think is longitudinal CA. This is actually fairly typical of large aperture lenses, even good lenses. It is generally not intrusive. The lens is also a tad darker than my other 85mm lenses, maybe 1/3rd f/stop.
Focus is critical at 85mm f/1.4 as the depth of field is shallow, and most dSLR focus screens are designed to focus for f/4. I think the one in my K-7 is a bit better but still doesn't show the true DOF at f/1.4, so it is impossible to focus totally precisely less than f/2 or so, but with practice you can get really close. Also, for slower subjects live view is useful. The focus feel of the lens is excellent with a heavily weighted focus ring that feels high quality.
Lens construction is equivalent to any Canon L lens or Pentax DA*. It is a metal body at the base with a quality feeling plastic focus ring/upper body (this feels like the Plastic in DA* or Canon L lenses). The only part that feels cheap is the rear lens cap, the front lens cap, and the hood. At least they only cut costs with the non-critical items.
This will make an excellent manual focus video lens too, because of the pleasing bokeh wide open and the shallow depth of field. This is one of the reasons I wanted the good bokeh wide open.
Overall, this is a great lens for a superb price. The maker is Samyang, but it is sold under the Vivitar, Opteka, Bower, Rokinon, Polar, and other names. Image quality is supposedly the same between any make, but accessories might differ depending on what the brand wants to include with the lens. The Vivitar Series 1 lens has a slightly different look to it.
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Amazon.com: Rokinon 85m-p 85mm F1.4 Aspherical Lens For Pentax Overview
Amazon.com: Rokinon 85m-p 85mm F1.4 Aspherical Lens For Pentax Feature
- Mounts directly to your Pentax DSLR camera - no additional adaptors required
- Compact and lightweight
- Aspherical type lens provides clear and sharp images
- Aperture Range: F1.4 - 16
- 28.3 degree angle of view
Style: Pentax
Amazon.com: Rokinon 85m-p 85mm F1.4 Aspherical Lens For Pentax Detail
Style: Pentax
- Product Dimensions: 3.5 x 3 x 3 inches ; 1 pounds
- Shipping Weight: 1 pounds (View shipping rates and policies)
- Shipping: This item is also available for shipping to select countries outside the U.S.
- ASIN: B0025F4AWW
- Item model number: 85M-P
Amazon.com: Rokinon 85m-p 85mm F1.4 Aspherical Lens For Pentax Other Resource
Samyang Optics - Wikipedia, the free encyclopediaSamyang Optics Company Limited is a Korean company founded in 1972, manufacturing optical equipment, CCTV and photographic accessories. All Samyang lenses are ...
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