Global 12mm Thread Lenses Market Research Report 2023(Status and Outlook)

Report ID: 2020256 | Published Date: Sep 2024 | No. of Page: 106 | Base Year: 2023 | Rating: 4.5 | Webstory: Check our Web story
Request Sample Report
Pre-Order Enquiry
Request Discount(%) 
TABLE OF CONTENTS
1 Research Methodology and Statistical Scope
1.1 Market Definition and Statistical Scope of 12mm Thread Lenses
1.2 Key Market Segments
1.2.1 12mm Thread Lenses Segment by Type
1.2.2 12mm Thread Lenses Segment by Application
1.3 Methodology & Sources of Information
1.3.1 Research Methodology
1.3.2 Research Process
1.3.3 Market Breakdown and Data Triangulation
1.3.4 Base Year
1.3.5 Report Assumptions & Caveats
2 12mm Thread Lenses Market Overview
2.1 Global Market Overview
2.1.1 Global 12mm Thread Lenses Market Size (M USD) Estimates and Forecasts (2017-2028)
2.1.2 Global 12mm Thread Lenses Sales Estimates and Forecasts (2017-2028)
2.2 Market Segment Executive Summary
2.3 Global Market Size by Region
3 12mm Thread Lenses Market Competitive Landscape
3.1 Global 12mm Thread Lenses Sales by Manufacturers (2017-2022)
3.2 Global 12mm Thread Lenses Revenue Market Share by Manufacturers (2017-2022)
3.3 12mm Thread Lenses Market Share by Company Type (Tier 1, Tier 2, and Tier 3)
3.4 Global 12mm Thread Lenses Average Price by Manufacturers (2017-2022)
3.5 Manufacturers 12mm Thread Lenses Sales Sites, Area Served, Product Type
3.6 12mm Thread Lenses Market Competitive Situation and Trends
3.6.1 12mm Thread Lenses Market Concentration Rate
3.6.2 Global 5 and 10 Largest 12mm Thread Lenses Players Market Share by Revenue
3.6.3 Mergers & Acquisitions, Expansion
4 12mm Thread Lenses Industry Chain Analysis
4.1 12mm Thread Lenses Industry Chain Analysis
4.2 Market Overview and Market Concentration Analysis of Key Raw Materials
4.3 Midstream Market Analysis
4.4 Downstream Customer Analysis
5 The Development and Dynamics of 12mm Thread Lenses Market
5.1 Key Development Trends
5.2 Driving Factors
5.3 Market Challenges
5.4 Market Restraints
5.5 Industry News
5.5.1 New Product Developments
5.5.2 Mergers & Acquisitions
5.5.3 Expansions
5.5.4 Collaboration/Supply Contracts
5.6 Industry Policies
6 12mm Thread Lenses Market Segmentation by Type
6.1 Evaluation Matrix of Segment Market Development Potential (Type)
6.2 Global 12mm Thread Lenses Sales Market Share by Type (2017-2022)
6.3 Global 12mm Thread Lenses Market Size Market Share by Type (2017-2022)
6.4 Global 12mm Thread Lenses Price by Type (2017-2022)
7 12mm Thread Lenses Market Segmentation by Application
7.1 Evaluation Matrix of Segment Market Development Potential (Application)
7.2 Global 12mm Thread Lenses Market Sales by Application (2017-2022)
7.3 Global 12mm Thread Lenses Market Size (M USD) by Application (2017-2022)
7.4 Global 12mm Thread Lenses Sales Growth Rate by Application (2017-2022)
8 12mm Thread Lenses Market Segmentation by Region
8.1 Global 12mm Thread Lenses Sales by Region
8.1.1 Global 12mm Thread Lenses Sales by Region
8.1.2 Global 12mm Thread Lenses Sales Market Share by Region
8.2 North America
8.2.1 North America 12mm Thread Lenses Sales by Country
8.2.2 U.S.
8.2.3 Canada
8.2.4 Mexico
8.3 Europe
8.3.1 Europe 12mm Thread Lenses Sales by Country
8.3.2 Germany
8.3.3 France
8.3.4 U.K.
8.3.5 Italy
8.3.6 Russia
8.4 Asia Pacific
8.4.1 Asia Pacific 12mm Thread Lenses Sales by Region
8.4.2 China
8.4.3 Japan
8.4.4 South Korea
8.4.5 India
8.4.6 Southeast Asia
8.5 South America
8.5.1 South America 12mm Thread Lenses Sales by Country
8.5.2 Brazil
8.5.3 Argentina
8.5.4 Columbia
8.6 Middle East and Africa
8.6.1 Middle East and Africa 12mm Thread Lenses Sales by Region
8.6.2 Saudi Arabia
8.6.3 UAE
8.6.4 Egypt
8.6.5 Nigeria
8.6.6 South Africa
9 Key Companies Profiled
9.1 Lensation
9.1.1 Lensation 12mm Thread Lenses Basic Information
9.1.2 Lensation 12mm Thread Lenses Product Overview
9.1.3 Lensation 12mm Thread Lenses Product Market Performance
9.1.4 Lensation Business Overview
9.1.5 Lensation 12mm Thread Lenses SWOT Analysis
9.1.6 Lensation Recent Developments
9.2 NET GmbH
9.2.1 NET GmbH 12mm Thread Lenses Basic Information
9.2.2 NET GmbH 12mm Thread Lenses Product Overview
9.2.3 NET GmbH 12mm Thread Lenses Product Market Performance
9.2.4 NET GmbH Business Overview
9.2.5 NET GmbH 12mm Thread Lenses SWOT Analysis
9.2.6 NET GmbH Recent Developments
9.3 Axis Communications
9.3.1 Axis Communications 12mm Thread Lenses Basic Information
9.3.2 Axis Communications 12mm Thread Lenses Product Overview
9.3.3 Axis Communications 12mm Thread Lenses Product Market Performance
9.3.4 Axis Communications Business Overview
9.3.5 Axis Communications 12mm Thread Lenses SWOT Analysis
9.3.6 Axis Communications Recent Developments
9.4 DAIWON OPTICAL
9.4.1 DAIWON OPTICAL 12mm Thread Lenses Basic Information
9.4.2 DAIWON OPTICAL 12mm Thread Lenses Product Overview
9.4.3 DAIWON OPTICAL 12mm Thread Lenses Product Market Performance
9.4.4 DAIWON OPTICAL Business Overview
9.4.5 DAIWON OPTICAL 12mm Thread Lenses SWOT Analysis
9.4.6 DAIWON OPTICAL Recent Developments
9.5 Computar (CBC Group)
9.5.1 Computar (CBC Group) 12mm Thread Lenses Basic Information
9.5.2 Computar (CBC Group) 12mm Thread Lenses Product Overview
9.5.3 Computar (CBC Group) 12mm Thread Lenses Product Market Performance
9.5.4 Computar (CBC Group) Business Overview
9.5.5 Computar (CBC Group) 12mm Thread Lenses SWOT Analysis
9.5.6 Computar (CBC Group) Recent Developments
9.6 Edmund Optics
9.6.1 Edmund Optics 12mm Thread Lenses Basic Information
9.6.2 Edmund Optics 12mm Thread Lenses Product Overview
9.6.3 Edmund Optics 12mm Thread Lenses Product Market Performance
9.6.4 Edmund Optics Business Overview
9.6.5 Edmund Optics Recent Developments
9.7 Marshall Electronics
9.7.1 Marshall Electronics 12mm Thread Lenses Basic Information
9.7.2 Marshall Electronics 12mm Thread Lenses Product Overview
9.7.3 Marshall Electronics 12mm Thread Lenses Product Market Performance
9.7.4 Marshall Electronics Business Overview
9.7.5 Marshall Electronics Recent Developments
9.8 Kowa Lenses
9.8.1 Kowa Lenses 12mm Thread Lenses Basic Information
9.8.2 Kowa Lenses 12mm Thread Lenses Product Overview
9.8.3 Kowa Lenses 12mm Thread Lenses Product Market Performance
9.8.4 Kowa Lenses Business Overview
9.8.5 Kowa Lenses Recent Developments
10 12mm Thread Lenses Market Forecast by Region
10.1 Global 12mm Thread Lenses Market Size Forecast
10.2 Global 12mm Thread Lenses Market Forecast by Region
10.2.1 North America Market Size Forecast by Country
10.2.2 Europe 12mm Thread Lenses Market Size Forecast by Country
10.2.3 Asia Pacific 12mm Thread Lenses Market Size Forecast by Region
10.2.4 South America 12mm Thread Lenses Market Size Forecast by Country
10.2.5 Middle East and Africa Forecasted Consumption of 12mm Thread Lenses by Country
11 Forecast Market by Type and by Application (2022-2028)
11.1 Global 12mm Thread Lenses Market Forecast by Type (2022-2028)
11.1.1 Global Forecasted Sales of 12mm Thread Lenses by Type (2022-2028)
11.1.2 Global 12mm Thread Lenses Market Size Forecast by Type (2022-2028)
11.1.3 Global Forecasted Price of 12mm Thread Lenses by Type (2022-2028)
11.2 Global 12mm Thread Lenses Market Forecast by Application (2022-2028)
11.2.1 Global 12mm Thread Lenses Sales (K Units) Forecast by Application
11.2.2 Global 12mm Thread Lenses Market Size (M USD) Forecast by Application (2022-2028)
12 Conclusion and Key Findings
LIST OF TABLES
Table 1. Introduction of the Type
Table 2. Introduction of the Application
Table 3. Market Size (M USD) Segment Executive Summary
Table 4. 12mm Thread Lenses Market Size (M USD) Comparison by Region (M USD)
Table 5. Global 12mm Thread Lenses Sales (K Units) by Manufacturers (2017-2022)
Table 6. Global 12mm Thread Lenses Sales Market Share by Manufacturers (2017-2022)
Table 7. Global 12mm Thread Lenses Revenue (M USD) by Manufacturers (2017-2022)
Table 8. Global 12mm Thread Lenses Revenue Share by Manufacturers (2017-2022)
Table 9. Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in 12mm Thread Lenses as of 2021)
Table 10. Global Market 12mm Thread Lenses Average Price (USD/Unit) of Key Manufacturers (2017-2022)
Table 11. Manufacturers 12mm Thread Lenses Sales Sites and Area Served
Table 12. Manufacturers 12mm Thread Lenses Product Type
Table 13. Global 12mm Thread Lenses Manufacturers Market Concentration Ratio (CR5 and HHI)
Table 14. Mergers & Acquisitions, Expansion Plans
Table 15. Industry Chain Map of 12mm Thread Lenses
Table 16. Raw Materials
Table 17. Midstream Market Analysis
Table 18. Downstream Customer Analysis
Table 19. Key Development Trends
Table 20. Driving Factors
Table 21. 12mm Thread Lenses Market Challenges
Table 22. Market Restraints
Table 23. Global 12mm Thread Lenses Sales by Type (K Units)
Table 24. Global 12mm Thread Lenses Market Size by Type (M USD)
Table 25. Global 12mm Thread Lenses Sales (K Units) by Type (2017-2022)
Table 26. Global 12mm Thread Lenses Sales Market Share by Type (2017-2022)
Table 27. Global 12mm Thread Lenses Market Size (M USD) by Type (2017-2022)
Table 28. Global 12mm Thread Lenses Market Size Share by Type (2017-2022)
Table 29. Global 12mm Thread Lenses Price (USD/Unit) by Type (2017-2022)
Table 30. Global 12mm Thread Lenses Sales (K Units) by Application
Table 31. Global 12mm Thread Lenses Market Size by Application
Table 32. Global 12mm Thread Lenses Sales by Application (2017-2022) & (K Units)
Table 33. Global 12mm Thread Lenses Sales Market Share by Application (2017-2022)
Table 34. Global 12mm Thread Lenses Sales by Application (2017-2022) & (M USD)
Table 35. Global 12mm Thread Lenses Market Share by Application (2017-2022)
Table 36. Global 12mm Thread Lenses Sales Growth Rate by Application (2017-2022)
Table 37. Global 12mm Thread Lenses Sales by Region (2017-2022) & (K Units)
Table 38. Global 12mm Thread Lenses Sales Market Share by Region (2017-2022)
Table 39. North America 12mm Thread Lenses Sales by Country (2017-2022) & (K Units)
Table 40. Europe 12mm Thread Lenses Sales by Country (2017-2022) & (K Units)
Table 41. Asia Pacific 12mm Thread Lenses Sales by Region (2017-2022) & (K Units)
Table 42. South America 12mm Thread Lenses Sales by Country (2017-2022) & (K Units)
Table 43. Middle East and Africa 12mm Thread Lenses Sales by Region (2017-2022) & (K Units)
Table 44. Lensation 12mm Thread Lenses Basic Information
Table 45. Lensation 12mm Thread Lenses Product Overview
Table 46. Lensation 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 47. Lensation Business Overview
Table 48. Lensation 12mm Thread Lenses SWOT Analysis
Table 49. Lensation Recent Developments
Table 50. NET GmbH 12mm Thread Lenses Basic Information
Table 51. NET GmbH 12mm Thread Lenses Product Overview
Table 52. NET GmbH 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 53. NET GmbH Business Overview
Table 54. NET GmbH 12mm Thread Lenses SWOT Analysis
Table 55. NET GmbH Recent Developments
Table 56. Axis Communications 12mm Thread Lenses Basic Information
Table 57. Axis Communications 12mm Thread Lenses Product Overview
Table 58. Axis Communications 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 59. Axis Communications Business Overview
Table 60. Axis Communications 12mm Thread Lenses SWOT Analysis
Table 61. Axis Communications Recent Developments
Table 62. DAIWON OPTICAL 12mm Thread Lenses Basic Information
Table 63. DAIWON OPTICAL 12mm Thread Lenses Product Overview
Table 64. DAIWON OPTICAL 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 65. DAIWON OPTICAL Business Overview
Table 66. DAIWON OPTICAL 12mm Thread Lenses SWOT Analysis
Table 67. DAIWON OPTICAL Recent Developments
Table 68. Computar (CBC Group) 12mm Thread Lenses Basic Information
Table 69. Computar (CBC Group) 12mm Thread Lenses Product Overview
Table 70. Computar (CBC Group) 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 71. Computar (CBC Group) Business Overview
Table 72. Computar (CBC Group) 12mm Thread Lenses SWOT Analysis
Table 73. Computar (CBC Group) Recent Developments
Table 74. Edmund Optics 12mm Thread Lenses Basic Information
Table 75. Edmund Optics 12mm Thread Lenses Product Overview
Table 76. Edmund Optics 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 77. Edmund Optics Business Overview
Table 78. Edmund Optics Recent Developments
Table 79. Marshall Electronics 12mm Thread Lenses Basic Information
Table 80. Marshall Electronics 12mm Thread Lenses Product Overview
Table 81. Marshall Electronics 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 82. Marshall Electronics Business Overview
Table 83. Marshall Electronics Recent Developments
Table 84. Kowa Lenses 12mm Thread Lenses Basic Information
Table 85. Kowa Lenses 12mm Thread Lenses Product Overview
Table 86. Kowa Lenses 12mm Thread Lenses Sales (K Units), Revenue (M USD), Price (USD/Unit) and Gross Margin (2017-2022)
Table 87. Kowa Lenses Business Overview
Table 88. Kowa Lenses Recent Developments
Table 89. Global 12mm Thread Lenses Sales Forecast by Region (K Units)
Table 90. Global 12mm Thread Lenses Market Size Forecast by Region (M USD)
Table 91. North America 12mm Thread Lenses Sales Forecast by Country (2022-2028) & (K Units)
Table 92. North America 12mm Thread Lenses Market Size Forecast by Country (2022-2028) & (M USD)
Table 93. Europe 12mm Thread Lenses Sales Forecast by Country (2022-2028) & (K Units)
Table 94. Europe 12mm Thread Lenses Market Size Forecast by Country (2022-2028) & (M USD)
Table 95. Asia Pacific 12mm Thread Lenses Sales Forecast by Region (2022-2028) & (K Units)
Table 96. Asia Pacific 12mm Thread Lenses Market Size Forecast by Region (2022-2028) & (M USD)
Table 97. South America 12mm Thread Lenses Sales Forecast by Country (2022-2028) & (K Units)
Table 98. South America 12mm Thread Lenses Market Size Forecast by Country (2022-2028) & (M USD)
Table 99. Middle East and Africa 12mm Thread Lenses Consumption Forecast by Country (2022-2028) & (Units)
Table 100. Middle East and Africa 12mm Thread Lenses Market Size Forecast by Country (2022-2028) & (M USD)
Table 101. Global 12mm Thread Lenses Sales Forecast by Type (2022-2028) & (K Units)
Table 102. Global 12mm Thread Lenses Market Size Forecast by Type (2022-2028) & (M USD)
Table 103. Global 12mm Thread Lenses Price Forecast by Type (2022-2028) & (USD/Unit)
Table 104. Global 12mm Thread Lenses Sales (K Units) Forecast by Application (2022-2028)
Table 105. Global 12mm Thread Lenses Market Size Forecast by Application (2022-2028) & (M USD)
LIST OF FIGURES
Figure 1. Product Picture of 12mm Thread Lenses
Figure 2. Data Triangulation
Figure 3. Key Caveats
Figure 4. Global 12mm Thread Lenses Market Size (M USD), 2017-2028
Figure 5. Global 12mm Thread Lenses Market Size (M USD) (2017-2028)
Figure 6. Global 12mm Thread Lenses Sales (K Units) & (2017-2028)
Figure 7. Evaluation Matrix of Segment Market Development Potential (Type)
Figure 8. Evaluation Matrix of Segment Market Development Potential (Application)
Figure 9. Evaluation Matrix of Regional Market Development Potential
Figure 10. 12mm Thread Lenses Market Size (M USD) by Country (M USD)
Figure 11. 12mm Thread Lenses Sales Share by Manufacturers in 2020
Figure 12. Global 12mm Thread Lenses Revenue Share by Manufacturers in 2020
Figure 13. 12mm Thread Lenses Market Share by Company Type (Tier 1, Tier 2 and Tier 3): 2017 VS 2021
Figure 14. Global Market 12mm Thread Lenses Average Price (USD/Unit) of Key Manufacturers in 2020
Figure 15. The Global 5 and 10 Largest Players: Market Share by 12mm Thread Lenses Revenue in 2021
Figure 16. Evaluation Matrix of Segment Market Development Potential (Type)
Figure 17. Global 12mm Thread Lenses Market Share by Type
Figure 18. Sales Market Share of 12mm Thread Lenses by Type (2017-2022)
Figure 19. Sales Market Share of 12mm Thread Lenses by Type in 2021
Figure 20. Market Size Share of 12mm Thread Lenses by Type (2017-2022)
Figure 21. Market Size Market Share of 12mm Thread Lenses by Type in 2020
Figure 22. Evaluation Matrix of Segment Market Development Potential (Application)
Figure 23. Global 12mm Thread Lenses Market Share by Application
Figure 24. Global 12mm Thread Lenses Sales Market Share by Application (2017-2022)
Figure 25. Global 12mm Thread Lenses Sales Market Share by Application in 2021
Figure 26. Global 12mm Thread Lenses Market Share by Application (2017-2022)
Figure 27. Global 12mm Thread Lenses Market Share by Application in 2020
Figure 28. Global 12mm Thread Lenses Sales Growth Rate by Application (2017-2022)
Figure 29. Global 12mm Thread Lenses Sales Market Share by Region (2017-2022)
Figure 30. North America 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 31. North America 12mm Thread Lenses Sales Market Share by Country in 2020
Figure 32. U.S. 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 33. Canada 12mm Thread Lenses Sales (K Units) and Growth Rate (2017-2022)
Figure 34. Mexico 12mm Thread Lenses Sales (Units) and Growth Rate (2017-2022)
Figure 35. Europe 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 36. Europe 12mm Thread Lenses Sales Market Share by Country in 2020
Figure 37. Germany 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 38. France 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 39. U.K. 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 40. Italy 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 41. Russia 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 42. Asia Pacific 12mm Thread Lenses Sales and Growth Rate (K Units)
Figure 43. Asia Pacific 12mm Thread Lenses Sales Market Share by Region in 2020
Figure 44. Japan 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 45. South Korea 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 46. India 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 47. Southeast Asia 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 48. South America 12mm Thread Lenses Sales and Growth Rate (K Units)
Figure 49. South America 12mm Thread Lenses Sales Market Share by Country in 2020
Figure 50. Brazil 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 51. Columbia 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 52. Middle East and Africa 12mm Thread Lenses Sales and Growth Rate (K Units)
Figure 53. Middle East and Africa 12mm Thread Lenses Sales Market Share by Region in 2020
Figure 54. Saudi Arabia 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 55. UAE 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 56. Egypt 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 57. Nigeria 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 58. South Africa 12mm Thread Lenses Sales and Growth Rate (2017-2022) & (K Units)
Figure 59. Global 12mm Thread Lenses Sales Forecast by Volume (2017-2028) & (K Units)
Figure 60. Global 12mm Thread Lenses Market Size Forecast by Value (2017-2028) & (M USD)
Figure 61. Global 12mm Thread Lenses Sales Market Share Forecast by Type (2022-2028)
Figure 62. Global 12mm Thread Lenses Market Share Forecast by Type (2022-2028)
Figure 63. Global 12mm Thread Lenses Sales Forecast by Application (2022-2028)
Figure 64. Global 12mm Thread Lenses Market Share Forecast by Application (2022-2028)
Please ask for List of Figures. Request Sample Report
Companies Included in Reports:
Lensation
NET GmbH
Axis Communications
DAIWON OPTICAL
Computar (CBC Group)
Edmund Optics
Marshall Electronics
Kowa Lenses
Frequently Asked Questions
Global 12mm Thread Lenses Market report offers great insights of the market and consumer data and their interpretation through various figures and graphs. Report has embedded global market and regional market deep analysis through various research methodologies. The report also offers great competitor analysis of the industries and highlights the key aspect of their business like success stories, market development and growth rate.
Global 12mm Thread Lenses Market report is categorised based on following features:
  1. Global Market Players
  2. Geopolitical regions
  3. Consumer Insights
  4. Technological advancement
  5. Historic and Future Analysis of the Market
Global 12mm Thread Lenses Market report is designed on the six basic aspects of analysing the market, which covers the SWOT and SWAR analysis like strength, weakness, opportunity, threat, aspirations and results. This methodology helps investors to reach on to the desired and correct decision to put their capital into the market.

Related Reports