Quick answer
A short telephoto portrait prime in Pentax's FA Limited line. It covers full frame.
Pros
- Compact
- Metal build
- Beautiful rendering
Cons
- Not sealed
- Limited availability
Verdict
Think of it as a top choice for portraits on K-mount.
About this lens
A 77mm f/1.8 fast short-telephoto prime lens, the Pentax SMC Pentax-FA 77mm F1.8 Limited is designed for Pentax K mount bodies. A compact, metal-bodied Limited-series prime for Pentax K-mount cameras.
Pentax SMC Pentax-FA 77mm F1.8 Limited specifications
- Brand
- Pentax
- Mount
- Pentax K
- Focal length
- 77mm
- Maximum aperture
- f/1.8
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 7 elements in 6 groups
- Aperture blades
- 9
- Autofocus motor
- screw-drive
- Minimum focus distance
- 0.7 m
- Maximum magnification
- 0.14x
- Filter thread
- 49 mm
- Weight
- 270 g
- Length
- 48 mm
- Diameter
- 64 mm
Specification source: en.wikipedia.org
What can you shoot with the Pentax SMC Pentax-FA 77mm F1.8 Limited?
- Portraits
- Detail
- Street
Its fast maximum aperture helps in dim light and gives good subject separation.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 77mm | 26.3° | 31.4° |
| APS-C | 1.5x | 116mm | 17.7° | 21.2° |
Frequently asked questions
Is the Pentax SMC Pentax-FA 77mm F1.8 Limited full-frame?
Yes. It covers the full 35mm frame, and it can also be used on APS-C bodies with a crop.
Is the Pentax SMC Pentax-FA 77mm F1.8 Limited sealed?
No. It is not sealed, so avoid rain and heavy dust.
Is the Pentax SMC Pentax-FA 77mm F1.8 Limited good for portraits?
Yes, especially for head-and-shoulders portraits, thanks to its short-telephoto length and f/1.8 aperture.
Alternatives for Pentax K from other brands
All Pentax K lensesSame mount, overlapping focal range, closest maximum aperture first.