Compare Samyang 300mm F6.3 ED UMC CS vs Pentax 05 Toy Lens Telephoto vs Pentax 07 Mount Shield Lens
Construction
Form Factor
Super Telephoto Prime Lens
Short Telephoto Prime Lens
Normal Prime Lens
Image Size
APS-C
1/1.7"
1/1.7"
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Micro Four Thirds-mount, Nikon F-mount, Sony A-mount
Pentax Q-mount
Pentax Q-mount
Material
Plastic mount
Optical Formula | Elements
8 elements
3 elements
1 elements
Optical Formula | Groups
8 groups
3 groups
1 groups
Dimensions
Filter Diameter
25.5 mm / 1.00 in
Size | Diameter
65 mm / 2.56 in
41 mm / 1.61 in
41 mm / 1.61 in
Size | Length
74 mm / 2.91 in
20 mm / 0.79 in
7 mm / 0.28 in
Weight
260 g / 9.19 oz
18 g / 0.64 oz
8 g / 0.28 oz
Function
Angle Of View
5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical
29.3° Diagonal | 24.5° Horizontal | 16.5° Vertical
44.5° Diagonal | 37.6° Horizontal | 25.6° Vertical
Aperture
f/6.3
f/8
f/9
Autofocus
No
No
No
Crop Factor
1.5
4.6
4.6
Focal Length
300 mm
18 mm
11.5 mm
Focal Length (35mm Equivalent)
450.0 mm
82.8 mm
52.9 mm
Image Stabilization
No
No
Performance
Max Magnification
0.08x
Min Focus Distance
1100 mm / 43.31 in
270 mm / 10.63 in
300 mm / 11.81 in
Production
Debut
2014-04-28
2011-06-23
2013-06-12
Reviews
Neofiliac score
40%
50%
40%
Pros
- Very light and compact for the focal length
- Affordable for the focal length
- Very, very compact and lightweight
- Interesting "body cap" form factor
Cons
- Reflex / mirror construction results in low IQ
- Dark fixed f/6.3 aperture
- Dark and fixed aperture
- Not a serious lens
- Limited f/9 aperture
- Image quality was not on the mind of its engineers
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